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BR-50GR 2P Type 1 50kA Surge Arrester for TNS

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Description

Product characteristics:

Specification BR-50GR 150 2P BR-50GR 275 2P BR-50GR 350 2P
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 voltage Un 120V(50/60Hz) 230V(50/60Hz) 250V(50/60Hz)
Max. continuous operating a.c. voltage Uc 150V(50/60Hz) 275V(50/60Hz) 350V(50/60Hz)
Lightning impulse current (10/350μs) Iimp 50kA 50kA 50kA
Nominal discharge current (8/20μs) In 50kA 50kA 50kA
Max. discharge current (8/20μs) Imax 160kA 160kA 160kA
Quantity of electric charge Q 25As 25As 25As
Specific energy W/R 625kJ/Ω 625kJ/Ω 625kJ/Ω
Voltage protection level Up ≤1.5kV ≤1.5kV ≤1.5kV
Short-circuit current rating a.c. Isccr 25kA rms 25kA rms 25kA rms
Max. backup fuse 350A gG 350A gG 350A gG
Temporary overvoltage TOV-withstand UT 230V/120min. 440V/120min. 580V/120min.
Response time tA ≤100ns ≤100ns ≤100ns
Operating temperature range Tu -40℃-80℃ -40℃-80℃ -40℃-80℃
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 B17162 B18127 B17188
Order Code (With remote signaling) B17163 B18128 B17189

Features:

BR-50GR 2P is suitable for TN system.

Poles number: 2P.

Width of one pole: 36mm.

Uc 150V / 275V /350V can be achieved.

Fault indication via red mark in the inspection window.

35mm DIN rail mountable.

With remote signaling contact for control device for your option.

In accordance with EN / IEC 61643.

High security performance.

Easy maintenance.

Red indicates broken, replacement notice, which is clear and easy distinguished.

Application:

Used in the main distribution boards, for use primarily on mains power distribution systems to protect connected facility from transient overvoltage.

Suitable for the low voltage main power distribution cabinet/box of buildings, and the facility connected between single phase AC power supply and system in parallel.

Use of attention:

1. The grounding path should be as short as possible, and the length should not exceed 1.5 meters.

2. When installing, pay attention to cables coming in and out of surge protective devices, so as to avoid the two coupling of surge.

3. The protected equipment must have good grounding, and the grounding impedance is in accordance with the relevant national standards.

4. After correct installation, it can work steadily for a long time. If it is found that the transmission performance of the system is reduced or the signal is interrupted due to the cause of surge protection, it should be maintained or replaced in time.

 

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