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Is the surge backup protector the same as the surge protector? Headlines
Functionally speaking, the surge backup protector selectively cuts off the passing power frequency current and lightning current. Generally, if the disconnector fails, when the surge protector (SPD) cannot cut off the power frequency short-circuit current, the overcurrent protection The electrical appliances operate to disconnect the SPD from the parallel line, so that ...
浪涌后备保护器和浪涌保护器是一样的吗?

Is the surge backup protector the same as the surge protector?

Functionally speaking, the surge backup protector is a selective disconnection of the passed power frequency current and lightning current. Generally, if the disconnector fails, when the surge protector (SPD) cannot cut off the work ...
好的防雷器怎么选?

How to choose a good lightning arrester?

It is recommended that you purchase lightning arresters from regular channels. In the category of lightning arresters, power lightning arresters are the easiest to counterfeit, and the lightning arrester access circuit will only be issued when lightning occurs ...
什么是POE网络防雷器?

What is a POE network lightning arrester?

POE network lightning arrester is also called Power over Ethernet lightning arrester, which belongs to a type of network signal lightning arrester. Protects Ethernet systems sensitive to electromagnetic interference from lightning overvoltages and ...
电梯的防雷怎么做?防雷厂家来解答

What about lightning protection for elevators? Lightning protection manufacturers to answer

From the perspective of the structure and operation of the entire elevator, the four major system power systems, control systems, communication systems and power systems jointly control the normal operation of the elevator. The control and power system of the elevator is electric ...
常见的防雷设备有哪些?

What are the common lightning protection equipment?

The type of lightning protection equipment, according to the IEC (International Electrotechnical Commission) standard, the theory of regional lightning protection and multi-level protection, lightning arresters are divided into first-level lightning arresters, which can be used in the main distribution of buildings ...