DEHNguard SE CI with Integrated Backup Fuse

Arrester backup fuse integrated in the protection module
For use in case of higher rated voltages
Energy coordination with other arresters of the Red/Line product family
High discharge capacity
High reliability due to "Thermo Dynamic Control" SPD device monitoring
Easy replacement of protection modules without tools due to module locking system with module release button
Vibration and shock-tested according to EN 60068-2

DEHNguard SE CI 440 FM

Pluggable single-pole surge arrester comprising a base part and a plug-in protection module; with integrated backup fuse and remote signalling contact for monitoring unit (floating changeover contact).

1 Product

Part No. 952920 DG SE CI 440 FM

GTIN 4013364322622, Customs tariff No. (EU): 85363030, Gross weight: 178.00 g, PU: 1.00 Stk

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Additional information

CAD files

DEHNguard SE CI 440 FM surge arrester
with integrated backup fuse, width of 1.5 modules
With remote signalling contact
Tyep 2 SPD according to EN 61643-11
Mech. fault indication for the arrester and integrated backup fuse
Max. continuous operating voltage: 440 V a.c.
Voltage protection level: <= 2 kV
Nominal discharge current: 12.5 kA
No additional backup fuse required in installations up to a
max. short-circuit current of 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG SE CI 440 FM
Part No.: 952920
or equivalent.

Certificates

Circuit Interruption

The backup fuse is already integrated here. This means: reduced space requirement, lower installation costs, faster wiring, and shorter connecting cables. This concept can be found in the product ranges DEHNvenCI, DEHNbloc Maxi S, DEHNguard ... CI and V(A) NH...

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	440 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 2 kV
Max. mains-side overcurrent protection	not required
Type of remote signalling contact	changeover contact

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 )	400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	440 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 2 kV
Response time (t_A )	≤ 25 ns
Max. mains-side overcurrent protection	not required
Rated breaking capacity of the internal backup protection	25 kA
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	580 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	765 V / 120 min. – safe failure
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	1.5 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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DEHNguard SE CI WE 440 FM

Pluggable single-pole surge arrester with a rated varistor voltage U_mov= 750 V a.c.; comprising a base part and a plug-in protection module; with integrated backup fuse and remote signalling contact for monitoring unit (floating changeover contact).

1 Product

Part No. 952923 DG SE CI WE 440 FM

GTIN 4013364322639, Customs tariff No. (EU): 85363030, Gross weight: 184.00 g, PU: 1.00 Stk

Images

Additional information

CAD files

DEHNguard SE CI WE 440 FM surge arrester
Modular and pluggable single-pole surge arrester
with integrated backup fuse, width of 1.5 modules
With remote signalling contact
Tyep 2 SPD according to EN 61643-11
Mech. fault indication for the arrester and integrated backup fuse
Max. continuous operating voltage: 440 V a.c.
Rated varistor voltage: 750 V a.c.
Voltage protection level: <= 3 kV
Nominal discharge current: 12.5 kA
No additional backup fuse required in installations up to a
max. short-circuit current of 25 kArms
Energy coordination according to DIN EN 62305-4
Arrester of the Red/Line series

Brand: DEHN
Type: DG SE CI WE 440 FM
Part No.: 952923
or equivalent.

Certificates

Circuit Interruption

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (a.c.) (U_C )	440 V (50 / 60 Hz)
Rated varistor voltage (a.c.) (U_mov )	750 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 3 kV
Max. mains-side overcurrent protection	not required
Type of remote signalling contact	changeover contact

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 )	400 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) (U_C )	440 V (50 / 60 Hz)
Rated varistor voltage (a.c.) (U_mov )	750 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 3 kV
Response time (t_A )	≤ 25 ns
Max. mains-side overcurrent protection	not required
Rated breaking capacity of the internal backup protection	25 kA
Short-circuit withstand capability (I_SCCR )	25 kA_rms
Temporary overvoltage (TOV) (U_T) – Characteristic	580 V / 5 sec. – withstand
Temporary overvoltage (TOV) (U_T) – Characteristic	765 V / 120 min. – withstand
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	1.5 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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DEHNguard SE CI with Integrated Backup Fuse

DEHNguard SE CI 440 FM

Part No. 952920 DG SE CI 440 FM

Circuit Interruption

Product 952920 was added to Notepad.

Product 952920 was added to the cart.

DEHNguard SE CI WE 440 FM

Part No. 952923 DG SE CI WE 440 FM

Circuit Interruption

Product 952923 was added to Notepad.

Product 952923 was added to the cart.

DEHNguard SE CI with Integrated Backup Fuse

DEHNguard SE CI 440 FM

Part No. 952920 DG SE CI 440 FM

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Circuit Interruption

Product 952920 was added to Notepad.

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DEHNguard SE CI WE 440 FM

Part No. 952923 DG SE CI WE 440 FM

You are not authorized to download 952920.stp

You are not authorized to download 952920.igs

You are not authorized to download 952920.jt

You are not authorized to download 952920.dwg

You are not authorized to download 952930m_E.dxf

You are not authorized to download DEHN.952923.wspak

You are not authorized to download DEHN.952923.edz

Circuit Interruption

Product 952923 was added to Notepad.

Product 952923 was added to the cart.