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What are the main standards for surge protection device?
Jul 03 , 2025
1. Main standards for lightning protection application design IEC 62305-1:2010/GB/T 21714.1-2015 《Protection against lightning-Part 1: General principles》 IEC 62305-2:2010/GB/T 21714.2-2015 《Protection against lightning-Part 2: Risk management》 IEC 62305-3:2010/GB/T 21714.3-2015《Protection against lightning-Part 3: Physical damage to structures and life hazard》 ...
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What's surge protection device?
Jul 10 , 2025
Surge, also known as voltage surge or surge, is a common phenomenon in power systems, usually referring to sudden current or voltage fluctuations. Such fluctuations may be caused by lightning strikes, grid failures, switch operations or other reasons. Power surges can cause serious damage to power equipment and electronic equipment, and even lead to safety issues such as fire. Surge protection dev...
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Surge Protection Device (SPD) Installation Guide
Aug 01 , 2025
Electrical surges can damage sensitive electronics, leading to costly repairs or replacements. Installing a Surge Protection Device (SPD) is a proactive way to safeguard your home or business from voltage spikes caused by lightning, power grid fluctuations, or switching transients. This guide covers the key steps for proper SPD installation to ensure maximum protection. 1.&nbs...
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Selection of Uc, Up,Iimp and In for Surge Protective Devices (SPDs)
Aug 20 , 2025
Selection of Maximum Continuous Operating Voltage Uc and Voltage Protection Level Up for Surge Protective Devices (SPDs) According to the requirements of national standards GB 50343-2012 and GB/T 18802.12-2024, the principle of rated impulse withstand voltage Uw * 0.8>SPD voltage protection level Up should be followed before the wire enters the system. If Uc is chosen to...
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