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1. Needn't consider the load current, plugable, It can be replaced without cutting off power, easy to maintain;

2. built-in temperature control circuit breaker, high safety performance, no continuous flow;

3. the indicator window green is normal, red indicates failure, prompt replacement, clear and easy to argue;

4. The Remote Control interface (terminal point) is used to realize the remote monitoring work state.

5. Y type design, three groups of high performance MOV, more efficient and safer.