THOR certificate

Date:2023-11-27

THOR certificate

As a high-quality surge protector manufacturer, THOR invests a lot of energy in product research and development every year, and produces corresponding surge protection products according to national standards. Meet the needs of customers in different fields, and help customers establish their own surge protector brands and assist in obtaining corresponding certificates. Each certificate also represents the company's strength and development history!

 

 

Table of contents

Latest News

Positioned among the best, TRS5 Type 1+2 SPD goes head-to-head with leading products from CITEL and DEHN—see how each performs across key application areas.
2025-04-29
Discover the key differences between 3-pole and 4-pole surge protection devices and how various earthing systems influence proper selection and application.
2025-04-02
Explore how solar SPDs and circuit breakers work together to protect PV systems from surges and faults—and how they differ in purpose and function.
2025-03-21
Single-phase power requires careful surge protection; here’s everything you need to know to protect your system effectively.
2025-07-01
Lightning protection zones (LPZs) are areas that within a building or structure facing varied risk levels of lightning strike and transient overvoltages.
2025-06-23
Comprehensive guide to 3-phase surge protection: its function, critical role in electrical systems, and selecting appropriate SPDs for optimal system safety.
2025-06-16
Install Type 1, 2 & 3 SPDs with proper spacing for cascaded protection. Follow IEC 61643-11 standards to protect industrial systems from surge damage.
2025-06-02
Properly sizing a SPD is a critical first step in building a reliable electrical protection system. Both oversizing and undersizing can compromise performance, safety, and cost-efficiency.
2025-05-19
What do surge protective devices (SPDs) and fire extinguishers have in common? Discover how this comparison highlights the value of safeguarding electrical systems before disaster strikes.
2025-04-10
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THOR certificate | Surge protection device SPD - THOR Electric