Cooperating with relay, it can protect system and equipment from excess current, overload, and earthing etc.

与继电器配合，可对系统和设备进行过电流、过负荷和接地等保护。

youdao

Cooperating with relay, it can protect system and equipment from excess current, overload, and earthing etc.

与继电器配合，可对系统和设备进行过电流、过负荷和接地等保护。

youdao