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BR-25GS 3P+N Type 1 25kA Surge Arrester For TT And TNS

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Description

Product characteristics:

Specification BR-25GS 150 3P+N BR-25GS 275 3P+N BR-25GS 350 3P+N
SPD classification according to EN61643-11 Type 1 + Type 2 Type 1 + Type 2 Type 1 + Type 2
SPD classification according to IEC61643-11 Class I + Class II Class I + Class II Class I + Class II
Nominal operating a.c. voltage Un 120V/240V(50/60Hz) 230V/400V(50/60Hz) 250V/440V(50/60Hz)
Max. continuous operating a.c. voltage Uc (L-N/N-PE) 150V/255V(50/60Hz) 275V/255V(50/60Hz) 350V/255V(50/60Hz)
Lightning impulse current (10/350μs) Iimp (L-N/N-PE) 25kA/100kA 25kA/100kA 25kA/100kA
Nominal discharge current (8/20μs) In (L-N/N-PE) 25kA/100kA 25kA/100kA 25kA/100kA
Max. discharge current (8/20μs) Imax (L-N/N-PE) 100kA/160kA 100kA/160kA 100kA/160kA
Quantity of electric charge (L-N, N-PE) Q (L-N/N-PE) 12.5As/50As 12.5As/50As 12.5As/50As
Specific energy (L-N, N-PE) W/R (L-N/N-PE) 156kJ/Ω, 2500kJ/Ω 156kJ/Ω, 2500kJ/Ω 156kJ/Ω, 2500kJ/Ω
Voltage protection level Up (L-N/N-PE) ≤1.5kV/≤1.5kV ≤1.5kV/≤1.5kV ≤1.5kV/≤1.5kV
Max. backup fuse 200A gG 200A gG 200A gG
Short-circuit current rating a.c. Isccr 25kA 25kA 25kA
Follow current extinguishing capability a.c. Ifi (L-N/N-PE) 25kA/100A 25kA/100A 25kA/100A
Temporary overvoltage TOV-withstand UT (L-N) 230V/120min. 440V/120min. 580V/120min.
Temporary overvoltage TOV-withstand UT (N-PE) 1200V/200ms 1200V/200ms 1200V/200ms
Response time tA ≤100ns ≤100ns ≤100ns
Leakage current Ipe None None None
Operating temperature range Tu -40℃-85℃ -40℃-85℃ -40℃-85℃
Operating state/fault indication green/red green/red green/red
Cross-section area (Min.) 4mm² 4mm² 4mm²
Cross-section area (Max.) 35mm² 35mm² 35mm²
For mounting on 35mm Din rail
Enclosure material Thermoplastic UL94-V0
Degree of protection IP20 IP20 IP20
Order Code B17058 B17071 B17084
Order Code (With remote signaling) B17059 B17072 B17085
Suffixes: Add Suffix “RS” for dry contact remote signaling version. Example: BR-25GS 275 3P+N RS

Features:

Type: T1+T2 Surge protector

Response time: ≤100ns

Labeled connections.

Composite type: 3P+N.

Installation: standard rail 35mm.

Designed to protect low-voltage electrical installations from electrical surges caused by switching action, lightning strikes and electromagnetic pulses.

According to IEC61643-11.

Thermal disconnect device.

Screw terminal connection.

Application:

Protects electrical installations against direct lightning strokes, and discharge the back-current from lightning spreading from the earth conductor to the network conductors.

The device is designed to be used between Zone O and Zone 1 (according to IEC 62305-4 definition of Lightning Protection area).

Can be used to protect three-phase power system.

Matters Need Attention when install SPD:

Determine the discharge current path.

Mark the wires that produce an additional voltage drop on the device terminal.

Mark the PE conductor of each device to avoid unnecessary induction loops.

An equipotential connection is established between the device and SPD.

During installation, connect the device according to the installation diagram, where L is the phase line, N is the neutral line, and PE is the ground line. Do not misconnect the device.

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