Part No. 943440 DG MD TNS ACI 275 FM

GTIN 4013364477131, Customs tariff No. (EU): 85363030, Gross weight: 380.00 g, PU: 1.00 pc(s)

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Additional information

DEHNguard MD TNS ACI 275 FM surge arrester
with ACI technology
Four-pole, modular, pluggable surge arrester
with integrated ACI switch / spark gap
for 230/400 V TN-S systems, width: 4 modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Additional external fuse not required
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MD TNS ACI 275 FM
Part No.: 943440
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	No
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	DEKRA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Nominal load current for “V-connection” (I_L )	63 A
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	No
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	63 A gG
Max. mains-side overcurrent protection with stub wiring	none
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.) with stub wiring	35 mm²stranded / 25 mm²flexible
Cross-sectional area (max.) with “V-connection”	16 mm²stranded, flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	DEKRA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 943341 DG MD TT ACI 275 FM

GTIN 4013364477179, Customs tariff No. (EU): 85363030, Gross weight: 250.00 g, PU: 1.00 pc(s)

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Additional information

DEHNguard MD TT ACI 275 FM surge arrester
with ACI technology
Four-pole, modular, pluggable surge arrester
with integrated ACI switch / spark gap
for 230/400 V TT and TN-S systems, width: 4 modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Additional external fuse not required
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MD TT ACI 275 FM
Part No.: 943341
or equivalent.

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	No
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	DEKRA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	80 kA
Nominal load current for “V-connection” (I_L )	63 A
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	No
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	63 A gG
Max. mains-side overcurrent protection with stub wiring	none
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.) with stub wiring	35 mm²stranded / 25 mm²flexible
Cross-sectional area (max.) with “V-connection”	16 mm²Stranded / flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	DEKRA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 943342 DG MD TT ACI 385 FM

GTIN 4013364522251, Customs tariff No. (EU): 85363030, Gross weight: 250.00 g, PU: 1.00 pc(s)

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Additional information

DEHNguard MD TT ACI 385 FM surge arrester
with ACI technology
Four-pole, modular, pluggable surge arrester
with integrated ACI switch / spark gap
for 230/400 V TT and TN-S systems, width: 4 modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 385 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Additional external fuse not required
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MD TT ACI 385 FM
Part No.: 943342
or equivalent.

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Max. discharge current (8/20 µs) [N-PE] (I_max )	120 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	No
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	DEKRA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	80 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Max. discharge current (8/20 µs) [N-PE] (I_max )	120 kA
Nominal load current for “V-connection” (I_L )	63 A
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	No
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	63 A gG
Max. mains-side overcurrent protection with stub wiring	none
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.) with stub wiring	35 mm²stranded / 25 mm²flexible
Cross-sectional area (max.) with “V-connection”	16 mm²Stranded / flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	DEKRA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 942330 DG MP TNC ACI 275 FM

GTIN 4013364495319, Customs tariff No. (EU): 85363030, Gross weight: 348.11 g, PU: 1.00 pc(s)

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CAD files

DEHNguard MP TNC ACI 275 FM surge arrester
3-pole, modular, pluggable
surge arrester with
integrated ACI switch/spark-gap
and double-push-in connection clamp suitable for
stub wiring and feed-through wiring
for TN-S systems, width of 3 standard DIN modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MP TNC ACI 275 FM
Part No.: 942330
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level (U_P )	≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA, VDE

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Nominal load current for “V-connection” (I_L )	40 A
Voltage protection level (U_P )	≤ 1.5 kV
Voltage protection level at 5 kA (U_P )	≤ 1,5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	40 A gG
Max. mains-side overcurrent protection with stub wiring (double connection 2 x 10 mm²)	none
Temporary overvoltage (TOV) (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid
Cross-sectional area (min.)	6 mm²fine stranded
Cross-sectional area (max.)	10 mm²solid / fine stranded
Cross-sectional area (min.) with wire end ferrule	1.5 mm²
Cross-sectional area (max.) with wire end ferrule	6 mm²
Cross-sectional area (max.) with wire end ferrule without collar	10 mm²
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	3 module(s), DIN 43880
Approvals	KEMA, VDE
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 942440 DG MP TNS ACI 275 FM

GTIN 4013364477148, Customs tariff No. (EU): 85363030, Gross weight: 377.08 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

DEHNguard MP TNS ACI 275 FM surge arrester
4-pole, modular, pluggable
surge arrester with
integrated ACI switch/spark-gap
and double-push-in connection clamp suitable for
stub wiring and feed-through wiring suitable
for TN-S systems, width of 4 standard DIN modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MP TNS ACI 275 FM
Part No.: 942440
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	no
Temporary overvoltage (TOV) (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA, VDE

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Nominal load current for “V-connection” (I_L )	40 A
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-PE]/[N-PE] at 5 kA (U_P )	≤ 1.5 / ≤ 1.5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	no
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	40 A gG
Max. mains-side overcurrent protection with stub wiring (double connection 2 x 10 mm²)	none
Temporary overvoltage (TOV) (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid
Cross-sectional area (min.)	6 mm²flexible
Cross-sectional area (max.)	10 mm²solid / flexible
Cross-sectional area (min.) with wire end ferrule	1.5 mm²
Cross-sectional area (max.) with wire end ferrule	6 mm²
Cross-sectional area (max.) with wire end ferrule without collar	10 mm²
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	KEMA, VDE
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 942341 DG MP TT ACI 275 FM

GTIN 4013364477186, Customs tariff No. (EU): 85363030, Gross weight: 377.71 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

DEHNguard MP TT ACI 275 FM surge arrester
4-pole, modular, pluggable
surge arrester with
integrated ACI switch/spark gap
and double-push-in connection clamp suitable for
stub wiring and feed-through wiring suitable
for TT and TN-S systems, width of 4 standard DIN modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MP TT ACI 275 FM
Part No.: 942341
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	no
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA, VDE

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	20 kA
Nominal load current for “V-connection” (I_L )	40 A
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	no
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	40 A gG
Max. mains-side overcurrent protection with stub wiring (double connection 2 x 10 mm²)	none
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid
Cross-sectional area (min.)	6 mm²flexible
Cross-sectional area (max.)	10 mm²solid / flexible
Cross-sectional area (min.) with wire end ferrule	1.5 mm²
Cross-sectional area (max.) with wire end ferrule	6 mm²
Cross-sectional area (max.) with wire end ferrule without collar	10 mm²
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	KEMA, VDE
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 942342 DG MP TT ACI 385 FM

GTIN 4013364484870, Customs tariff No. (EU): 85363030, Gross weight: 439.00 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

DEHNguard MP TT ACI 385 FM surge arrester
4-pole, modular, pluggable
surge arrester with
integrated ACI switch/spark gap
and double-push-in connection clamp suitable for
stub wiring and feed-through wiring suitable
for TT and TN-S systems, width of 4 standard DIN modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 385 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MP TT ACI 385 FM
Part No.: 942342
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	no
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA, VDE

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Nominal load current for “V-connection” (I_L )	40 A
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	no
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	40 A gG
Max. mains-side overcurrent protection with stub wiring (double connection 2 x 10 mm²)	none
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid
Cross-sectional area (min.)	6 mm²flexible
Cross-sectional area (max.)	10 mm²solid / flexible
Cross-sectional area (min.) with wire end ferrule	1.5 mm²
Cross-sectional area (max.) with wire end ferrule	6 mm²
Cross-sectional area (max.) with wire end ferrule without collar	10 mm²
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	KEMA, VDE
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 942220 DG MP TN ACI 275 FM

GTIN 4013364495425, Customs tariff No. (EU): 85363030, Gross weight: 234.63 g, PU: 1.00 pc(s)

Images

Additional information

DEHNguard MP TN ACI 275 FM surge arrester
2-pole, modular, pluggable
surge arrester with
integrated ACI switch/spark gap
and double-push-in connection clamp for
stub wiring and feed-through wiring suitable
for TN systems, width of 2 standard DIN modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MP TN ACI 275 FM
Part No.: 942220
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA, VDE

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Nominal load current for “V-connection” (I_L )	40 A
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-PE]/[N-PE] at 5 kA (U_P )	≤ 1.5 / ≤ 1.5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	40 A gG
Max. mains-side overcurrent protection with stub wiring (double connection 2 x 10 mm²)	none
Temporary overvoltage (TOV) (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid
Cross-sectional area (min.)	6 mm²fine stranded
Cross-sectional area (max.)	10 mm²solid / fine stranded
Cross-sectional area (min.) with wire end ferrule	1.5 mm²
Cross-sectional area (max.) with wire end ferrule	6 mm²
Cross-sectional area (max.) with wire end ferrule without collar	10 mm²
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	2 module(s), DIN 43880
Approvals	KEMA, VDE
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 942121 DG MP TT 2P ACI 275 FM

GTIN 4013364495364, Customs tariff No. (EU): 85363030, Gross weight: 250.04 g, PU: 1.00 pc(s)

Images

Additional information

DEHNguard MP TT 2P ACI 275 FM surge arrester
2-pole, modular, pluggable
surge arrester with
integrated ACI switch/spark gap
and double-push-in connection clamp for
stub wiring and feed-through wiring suitable
for TT and TN systems, width of 2 standard DIN modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 275 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MP TT 2P ACI 275 FM
Part No.: 942121
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA, VDE

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	20 kA
Nominal load current for “V-connection” (I_L )	40 A
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	40 A gG
Max. mains-side overcurrent protection with stub wiring (double connection 2 x 10 mm²)	none
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid
Cross-sectional area (min.)	6 mm²fine stranded
Cross-sectional area (max.)	10 mm²solid / fine stranded
Cross-sectional area (min.) with wire end ferrule	1.5 mm²
Cross-sectional area (max.) with wire end ferrule	6 mm²
Cross-sectional area (max.) with wire end ferrule without collar	10 mm²
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	2 module(s), DIN 43880
Approvals	KEMA, VDE
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 942122 DG MP TT 2P ACI 385 FM

GTIN 4013364495371, Customs tariff No. (EU): 85363030, Gross weight: 250.24 g, PU: 1.00 pc(s)

Images

Additional information

DEHNguard MP TT 2P ACI 385 FM surge arrester
2-pole, modular, pluggable
surge arrester with
integrated ACI switch/spark gap
and double-push-in connection clamp for
stub wiring and feed-through wiring suitable
for TT and TN systems, width of 2 standard DIN modules
with remote signalling contact
Type 2 arrester as per EN 61643-11
Fault indication
Max. continuous operating voltage: 385 V AC
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Short-circuit withstand capability 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG MP TT 2P ACI 385 FM
Part No.: 942122
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA, VDE

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Nominal load current for “V-connection” (I_L )	40 A
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Max. mains-side overcurrent protection with “V-connection”	40 A gG
Max. mains-side overcurrent protection with stub wiring (double connection 2 x 10 mm²)	none
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid
Cross-sectional area (min.)	6 mm²fine stranded
Cross-sectional area (max.)	10 mm²solid / fine stranded
Cross-sectional area (min.) with wire end ferrule	1.5 mm²
Cross-sectional area (max.) with wire end ferrule	6 mm²
Cross-sectional area (max.) with wire end ferrule without collar	10 mm²
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	2 module(s), DIN 43880
Approvals	KEMA, VDE
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 952330 DG M TNC ACI 275 FM

GTIN 4013364376649, Customs tariff No. (EU): 85363030, Gross weight: 360.00 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

DEHNguard M TNC ACI 275 FM surge arrester with ACI technology
Modular and pluggable three-pole surge arrester with integrated
ACI switch / spark gap for 230/400 V TN-C systems, width: 3 modules
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 275 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
No additional external fuse required
Energy coordination acc. to IEC 62305-4
with other arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG M TNC ACI 275 FM
Part No.: 952330
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level (U_P )	≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level (U_P )	≤ 1.5 kV
Voltage protection level at 5 kA (U_P )	≤ 1,5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	3 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 952440 DG M TNS ACI 275 FM

GTIN 4013364376625, Customs tariff No. (EU): 85363030, Gross weight: 450.00 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

DEHNguard M TNS ACI 275 FM surge arrester with ACI technology
Modular and pluggable four-pole surge arrester with integrated
ACI switch / spark-gap for 230/400 V TN-S systems, width: 4 modules
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 275 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
No additional external fuse required
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG M TNS ACI 275 FM
Part No.: 952440
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 952341 DG M TT ACI 275 FM

GTIN 4013364376632, Customs tariff No. (EU): 85363030, Gross weight: 455.00 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

DEHNguard M TT ACI 275 FM surge arrester with ACI technology
Modular and pluggable four-pole surge arrester with integrated
ACI switch / spark gap for 230/400 V TT and TN-S systems, width: 4 modules
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 275 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Additional external fuse not required
Energy coordination according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG M TT ACI 275 FM
Part No.: 952341
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	80 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 952342 DG M TT ACI 385 FM

GTIN 4013364387850, Customs tariff No. (EU): 85363030, Gross weight: 520.00 g, PU: 1.00 pc(s)

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CAD files

DEHNguard M TT ACI 385 FM surge arrester with ACI technology
Modular and pluggable four-pole surge arrester with integrated
ACI switch / spark gap for 230/400 V TT and TN-S systems, width: 4 modules
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 385 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Additional external fuse not required
Energy coordination according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG M TT ACI 385 FM
Part No.: 952342
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Max. discharge current (8/20 µs) [N-PE] (I_max )	120 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	80 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Max. discharge current (8/20 µs) [N-PE] (I_max )	120 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	4 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible
Extended technical data:	---------------------------------
– Max. prospective short-circuit current	50 kA_rms

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Part No. 952220 DG M TN ACI 275 FM

GTIN 4013364376656, Customs tariff No. (EU): 85363030, Gross weight: 245.00 g, PU: 1.00 pc(s)

Predecessor

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DEHNguard M TN ACI 275 FM surge arrester with ACI technology
Modular and pluggable two-pole surge arrester with integrated
ACI switch / spark gap for single-phase 230 V TN systems, width: 2 modules
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 275 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Energy coordination according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG M TN ACI 275 FM
Part No.: 952220
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage AC [L-PE] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level [L-PE]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	2 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 952121 DG M TT 2P ACI 275 FM

GTIN 4013364376663, Customs tariff No. (EU): 85363030, Gross weight: 255.00 g, PU: 1.00 pc(s)

Predecessor

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CAD files

DEHNguard M TT 2P ACI 275 FM surge arrester with ACI technology
Modular and pluggable two-pole surge arrester with integrated
ACI switch / spark gap for single-phase 230 V TT and TN systems, width: 2 modules
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 275 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Energy coordination according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG M TT 2P ACI 275 FM
Part No.: 952121
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	275 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	80 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	2 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 952122 DG M TT 2P ACI 385 FM

GTIN 4013364387867, Customs tariff No. (EU): 85363030, Gross weight: 298.00 g, PU: 1.00 pc(s)

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CAD files

DEHNguard M TT 2P ACI 385 FM surge arrester with ACI technology
Modular and pluggable two-pole surge arrester with integrated
ACI switch / spark gap for TT and TN systems, width: 2 modules
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 385 V a.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Energy coordination according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG M TT 2P ACI 385 FM
Part No.: 952122
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Max. discharge current (8/20 µs) [N-PE] (I_max )	120 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (U_C )	385 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (U_C )	255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) [L-N] (I_n )	20 kA
Nominal discharge current (8/20 µs) [N-PE] (I_n )	80 kA
Max. discharge current (8/20 µs) [L-N] (I_max )	40 kA
Max. discharge current (8/20 µs) [N-PE] (I_max )	120 kA
Voltage protection level [L-N]/[N-PE] (U_P )	≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N]/[N-PE] at 5 kA (U_P )	≤ 1,5 / ≤ 1,5 kV
Follow current extinguishing capability [N-PE] (I_fi )	100 A_rms
Response time [L-N] (t_A )	≤ 100 ns
Response time [N-PE] (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) [L-N] (U_T) – Characteristic	440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE] (U_T) – Characteristic	1200 V / 200 ms – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	2 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible
Extended technical data:	---------------------------------
– Max. prospective short-circuit current	50 kA_rms

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Part No. 952100 DG S ACI 275 FM

GTIN 4013364376526, Customs tariff No. (EU): 85363030, Gross weight: 142.10 g, PU: 1.00 pc(s)

Predecessor

Images

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CAD files

DEHNguard S CI 275 FM surge arrester with ACI technology
Modular and pluggable single-pole surge arrester with integrated
ACI switch / spark gap, width: 1 module
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 275 V a.c./350 V d.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Additional external fuse not required required
Energy coordination according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG S ACI 275 FM
Part No.: 952100
or equivalent.

Certificates

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level (U_P )	≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Voltage protection level (U_P )	≤ 1.5 kV
Voltage protection level at 5 kA (U_P )	≤ 1,5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	1 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible

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Part No. 952113 DG S ACI 385 FM

GTIN 4013364387874, Customs tariff No. (EU): 85363030, Gross weight: 158.00 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

DEHNguard S CI 275 FM surge arrester with ACI technology
Modular and pluggable single-pole surge arrester with integrated
ACI switch / spark gap, width: 1 module
With remote signalling contact
Type 2 SPD according to EN 61643-11
Max. continuous operating voltage: 275 V a.c./350 V d.c.
Voltage protection level: <= 1.5 kV
Nominal discharge current: 20 kA
Additional external fuse not required required
Energy coordination according to IEC 62305-4
with arresters of the Red/Line product family
Mechanical fault indication for the arrester

Brand: DEHN
Type: DG S ACI 385 FM
Part No.: 952113
or equivalent.

ACI-Technology

A further development of CI technology, ACI technology consists of a switch/spark gap combination connected in series with a heavyduty varistor. This ensures the simple design and safe operation of the surge protective device. Other features are safe dimensioning, TOV withstand, a connection cross-section of only 6 mm� Cu and zero leakage current. Surge arresters with ACI technology offer maximum safety and system availability.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	385 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Max. discharge current (8/20 µs) (I_max )	40 kA
Voltage protection level (U_P )	≤ 1.5 kV
Additional external fuse	not required
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Approvals	KEMA

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal a.c. voltage (U_N )	230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	385 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	20 kA
Max. discharge current (8/20 µs) (I_max )	40 kA
Voltage protection level (U_P )	≤ 1.5 kV
Voltage protection level at 5 kA (U_P )	≤ 1,5 kV
Response time (t_A )	≤ 100 ns
Additional external fuse	not required
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	440 V / 120 min. – withstand
Leakage current	no leakage current
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm²stranded / 25 mm²flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	1 module(s), DIN 43880
Approvals	KEMA
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm²solid / flexible
Extended technical data:	---------------------------------
– Max. prospective short-circuit current	50 kA_rms

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DEHNguard modular with Advanced Circuit Interruption (Safe Dimensioning)

DEHNguard MD TNS ACI 275 FM

Part No. 943440 DG MD TNS ACI 275 FM

You are not authorized to download 943XXX_DG_MD_TNS_ACI_XXX_FM_m.dxf

ACI-Technology

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DEHNguard MD TT ACI ... FM

Part No. 943341 DG MD TT ACI 275 FM

You are not authorized to download 943XXX_DG_MD_TT_ACI_XXX_FM_m.dxf

ACI-Technology

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Part No. 943342 DG MD TT ACI 385 FM

You are not authorized to download 943XXX_DG_MD_TT_ACI_XXX_FM_m.dxf

ACI-Technology

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DEHNguard MP TNC ACI 275 FM

Part No. 942330 DG MP TNC ACI 275 FM

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DEHNguard MP TNS ACI ... FM

Part No. 942440 DG MP TNS ACI 275 FM

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DEHNguard MP TT ACI ... FM

Part No. 942341 DG MP TT ACI 275 FM

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Part No. 942342 DG MP TT ACI 385 FM

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DEHNguard MP TN ACI 275 FM

Part No. 942220 DG MP TN ACI 275 FM

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DEHNguard MP TT 2P ACI ... FM

Part No. 942121 DG MP TT 2P ACI 275 FM

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Part No. 942122 DG MP TT 2P ACI 385 FM

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