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For protecting the power supply circuits of industrial electronics equipment against transients in switchgear cabinets. For installation in conformity with the lightning protection zone concept at the boundaries from 1 – 2 and higher.
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DEHNrail modular

Two-pole surge arrester consisting of a base part and a plug-in protection module
High discharge capacity due to heavy-duty zinc oxide varistor / spark gap combination
Energy coordination with other arresters of the Red/Line product family
Operating state / fault indication by green / red indicator flag in the inspection window
Narrow (modular) design according to DIN 43880
Easy replacement of protection modules due to module locking system with module release button
Vibration and shock-tested according to EN 60068-2

DEHNrail M 2P ...

Two-pole surge arrester consisting of a base part and a plug-in protection module.

Part No. 953201

DR M 2P 30

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	30 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	30 V
Nominal discharge current (8/20 µs) (I_n)	1 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	2 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 180 / ≤ 630 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx

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DEHNrail M 2P ...

Two-pole surge arrester consisting of a base part and a plug-in protection module.

Part No. 953202

DR M 2P 60

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	60 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	60 V
Nominal discharge current (8/20 µs) (I_n)	1 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	2 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 350 / ≤ 730 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx

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DEHNrail M 2P ...

Two-pole surge arrester consisting of a base part and a plug-in protection module.

Part No. 953203

DR M 2P 75

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	75 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	75 V
Nominal discharge current (8/20 µs) (I_n)	2 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	4 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 400 / ≤ 730 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx

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DEHNrail M 2P ...

Two-pole surge arrester consisting of a base part and a plug-in protection module.

Part No. 953204

DR M 2P 150

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	150 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	150 V
Nominal discharge current (8/20 µs) (I_n)	2 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	4 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 640 / ≤ 800 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx

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DEHNrail M 2P ...

Two-pole surge arrester consisting of a base part and a plug-in protection module.

Part No. 953200

DR M 2P 255

item

Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	255 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	255 V
Nominal discharge current (8/20 µs) (I_n)	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	5 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx

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DEHNrail M 2P ... FM

Two-pole surge arrester consisting of a base part and a plug-in protection module; with floating remote signalling contact.

Part No. 953206

DR M 2P 30 FM

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	30 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	30 V
Nominal discharge current (8/20 µs) (I_n)	1 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	2 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 180 / ≤ 630 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx
Type of remote signalling contact	changeover contact

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DEHNrail M 2P ... FM

Two-pole surge arrester consisting of a base part and a plug-in protection module; with floating remote signalling contact.

Part No. 953207

DR M 2P 60 FM

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	60 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	60 V
Nominal discharge current (8/20 µs) (I_n)	1 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	2 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 350 / ≤ 730 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx
Type of remote signalling contact	changeover contact

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DEHNrail M 2P ... FM

Two-pole surge arrester consisting of a base part and a plug-in protection module; with floating remote signalling contact.

Part No. 953208

DR M 2P 75 FM

item

Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	75 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	75 V
Nominal discharge current (8/20 µs) (I_n)	2 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	4 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 400 / ≤ 730 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx
Type of remote signalling contact	changeover contact

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DEHNrail M 2P ... FM

Two-pole surge arrester consisting of a base part and a plug-in protection module; with floating remote signalling contact.

Part No. 953209

DR M 2P 150 FM

item

Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	150 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	150 V
Nominal discharge current (8/20 µs) (I_n)	2 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	4 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 640 / ≤ 800 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx
Type of remote signalling contact	changeover contact

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DEHNrail M 2P ... FM

Two-pole surge arrester consisting of a base part and a plug-in protection module; with floating remote signalling contact.

Part No. 953205

DR M 2P 255 FM

item

Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	255 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	255 V
Nominal discharge current (8/20 µs) (I_n)	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	5 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection	25 A gG or B 25 A
Approvals	KEMA, VDE, UL, CSA, ATEX, IECEx
Type of remote signalling contact	changeover contact

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DEHNrail M 2P SN1802

Two-pole surge arrester consisting of a base part and a plug-in protection module. Can be used for systems with a load current up to 32 A.

Part No. 953228

DR M 2P 255 SN1802

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	255 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	255 V
Nominal discharge current (8/20 µs) (I_n)	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	5 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection	32 A gG or B 32 A

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DEHNrail M 2P SN1803FM

Two-pole surge arrester consisting of a base part and a plug-in protection module; with floating remote signalling contact. Can be used for systems with a load current up to 32 A.

Part No. 953229

DR M 2P 255 SN1803FM

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Technical data
SPD according to EN 61643-11 / IEC 61643-11	type 3 / class III
Max. continuous operating voltage (AC) (U_C)	255 V (50 / 60 Hz)
Max. continuous operating voltage DC (U_C)	255 V
Nominal discharge current (8/20 µs) (I_n)	3 kA
Total discharge current (8/20 µs) [L+N-PE] (I_total)	5 kA
Voltage protection level [L-N] / [L/N-PE] (U_P)	≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection	32 A gG or B 32 A
Type of remote signalling contact	changeover contact

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