AC 3P+NPE Surge Protector 50KA/100kA 275V/255V Protection Low-voltage Arrester
Low-voltage Arrester Feature:
1. Inside over-current and over-heat protection, temperature control open circuit.
2. High energy surge protection.
3. Module design, convenient installation.
4. Remote alarm interface
5. Time of response <100ns.
6. High flame retardant, anti-corrosion.
7. The color of visible window shows operating status, red means abnormal.
8. The built-in flash interrupter device.
Low-voltage Arrester Technical Parameter:
Specification | BR-50GR 3+1 |
Item name | Surge Arrester |
SPD dassification according to EN61643-11 | Type 1 |
SPD dassification according to IEC61643-11 | Class I |
Max continuous 0perating a.c. voltage Uc | 275V/255V |
Lightning impulse current (10/350µs) limp | 50kA/100kA |
Nominal discharge current (8/20µs) In | 50kA/100kA |
Voltage protection level Up | ≤1.8kV/≤1.5kV |
Short-circuit current rating a.c. Isccr | 25kA rms/100A rms |
Max. backup fuse | 315A gG |
Response time tA | ≤100ns |
For mounting on | 35mm Din rail |
Degree of protection | IP20 |
Operating temperature range Tu | -40℃—80℃ |
Cross-section area (Min.) | 4mm² |
Cross-section area (Max.) | 35mm² |
Enclosure material | Thermoplastic UL94-V0 |
Dimension:

Low-voltage Arrester Product Description:
• Electric ratings: 230/400V, AC50/60Hz, 3-phase;
• Application: Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltage;
• Standard: IEC/EN 61643-1
• Number of poles: 3P+NPE;
• Short circuit current: up to 50kA (10/350μs);
Low-voltage Arrester SPD Application:
• Britec BR-50GR surge protective SPD is suitable for various power supply systems (such as ups power supply, machine room power supply, etc.). ) Lightning protection;
• Britec BR-50GR SPD Surge Protective Device is widely used in mobile communication base stations. Microwave Communications Bureau/Station. Telecommunications room. Industrial mining. Civil aviation. Financial. Securities and other power systems. Such as power distribution stations, power distribution rooms, power distribution cabinets.
Our Services:
• 21 years global leading profession manufacture of electrical products surge arrester.
• All products will be well packed before shipping.
• Standard packaging, and you can also tell us your own requirements on packaging.
• Faster delivery.
• Individually Tested Prior to Shipment.
Installation and note:
• Usually installed in the low-voltage main distribution cabinet of the building incoming line.
• In the normal use of this surge protector, especially during the thunderstorm season, the grounding system of the surge protector should be checked in time to keep it in good grounding condition, otherwise the protection effect of the surge protector will be affected to varying degrees.
Company:
Holding over 21 Years of Experience. Wenzhou Britec Electric Co. Ltd has been developing, producing and marketing SPDs for more than 21 years. Our product range includes AC surge protector, DC solar surge protection device, data SPDs, Led lightning arrester etc. We have designers to keep our catalog updated. Our experienced designs are the reasons why retailers and distributors from the Europe come to us. Orders Delivered in 20 Days. We deliver your off-the-shelf and OEM orders in 30 days. We have QC inspectors to assure quality. In fact, our products passed TUV and CE standards. Send us an inquiry today to learn more.
Factory:
Certificate:
Transportation:
FAQ:
Q: Whether the product can be customized?
A: Yes! We can customize different packaging, color and logo according to your requirements.
Q: Does your company have more products?
A: Yes! We have hundreds of products, you can send the product pictures to us, we will provide a quote for you.
Q: Does the company have strong strength?
A: Yes! We have decades of experience.
Q: What if I can't find the infos I'm looking for, or what if I want to speak to someone directly?
A: Start online inquiry now, feedback will be got promptly or latest within 12 hours.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test and QC inspection before delivery.
Q: How do you make our business long-term and good relationship?
A: We keep good quality and competitive price to ensure our customers benefit; We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
Q: Do you attend the fair?
A: Yes, Canton Fair.