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Lightning is a kind of meteorological disaster that often occurs in most areas of our country. It has the characteristics of strong suddenness and great harm, and often brings very serious threats to ...

Air switches and surge protectors are usually installed in the distribution box of a building, so what is the difference between them? Tiandun Thunderbolt will do a detailed analysis for you.Ⅰ. Surge...

(1) The voltage protection level Up of SPD should always be less than the impulse withstand voltage Uc of the protected equipment, and greater than the maximum operating voltage Us of the power grid o...

1. Surge protectorSurge protector, also known as lightning protector, is a protection device designed to prevent various electronic equipment, instruments, and communication lines from being subjected...

1. Parameters selected by SPD of surge protector at all level1. SPD-1If the first-level surge protector SPD1 is installed in the general power distribution room of a building, three switch-type surge ...

The surge protector is divided into three levels according to the area that needs to be protected. The first level surge protector can be applied to the main power distribution cabinet in the building...

The special protection device for low-voltage surge protector (SSD) is an external disengagement device of the surge protector used in the low-voltage power supply system, which can withstand the expe...

SPD surge protection device is an electrical equipment used to limit transient overvoltage and discharge surge current. It is also called lightning arrester, which is an important part of the internal...