Two commonly used surge protection circuits

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Two commonly used surge protection circuits

1,the first stage of surge protector

The first level of surge protection is usually installed at the entrance of the house or building, it will protect all equipment after the entrance wiring from the persecution of the surge, usually the capacity and volume of the first level surge protector are very large, and the cost is also very expensive, but it is essential.

2, the second stage surge protector

The second stage surge protector is not as large as the first stage in terms of capacity, and the energy absorption is relatively small, but it is very lightweight, usually installed at the access point of the electrical equipment, such as an outlet, or even integrated in the front of the power board of the electrical equipment, providing secondary protection for the device.

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