Type 1 Class B 50kA 275V Three Phase System Surge Thunder Protection Device
Type 1 Class B Surge Thunder Protection Device Feature:
• With working indication window.
• Remote alarm connector: optional.
• With good sealing, it is designed as module and 35mm Din-rail mounting.
• Designed according to IEC61643 standard. It is accordance with the criterion of Low-voltage Surge Protective Devices-Part 1: Surge Protective Devices Performance Requirements and Test Method of Low-voltage Power Distribution System.
Type 1 Class B Surge Thunder Protection Device Specification:
| BR-50GR 3P |
Applicable Power Supply System | TN-C system |
Max. continuous operating a.c. voltage Uc | 275V |
Nominal discharge current (8/20us) In | 50kA |
Maximum discharge current (8/20us) Imax | 200kA |
Lightning impulse current (10/350us) Iimp | 50kA |
Voltage protection level Up | ≤1.8kV |
Response time tA | ≤100ns |
Indication Method | Indication Window,Turn Red When Malfunction |
Remote Alarm Function | Optional |
Cross-section area (Min.) | 4mm2 |
Cross-section area (Max.) | 35mm2 |
For mounting on | 35mm Din rail |
Enclosure material | Thermal plastic UL94-V0 |
Degree of protection | IP20 |
Operating temperature range Tu | -40℃—80℃ |
Relative Humidity | ≤95%RH |
Dimension:
Type 1 Class B Surge Thunder Protection Device Application:
Suitable for the low voltage power distribution cabinet/box of buildings, and the equipments connected between three (single) phase AC power supply and system in parallel.
Delivery time:
20 working days after receiving deposit (depend on the quantity).
Payment:
• 100% in advance (Contract Value less than $5000).
• 30% in advance, the balance payment should be paid before shipment.

Company information:
Established in 2003. Britec concentrates on new technology of lightning protection, research and development on new products, production and service. Britec covers several series: AC lightning protection products, DC surge protection products, Data line surge protection products, LED surge protection products etc., with more than 100 varieties of products. Products are CE, CB and TUV certified. And company has passed through the System Certifications of ISO9001 International Quality Management System.
FAQ:
Q1. Why choose our company?
A: Our company had set up at 2003, have 17 years experience in low voltage surge arrester field.
Q2. What quality certification did your products passed?
A: Our products passed CE, CB, TUV etc.
Q3. Are you factory or trading company?
A: We are manufacturer of lightning protection.