1. The automatic voltage protector (over voltage and under voltage protection devices) is composed of a shell, an operating mechanism, a thermal release, an electromagnetic trip unit contact system, an arc extinguishing system and a over-under voltage protection circuit board. The circuit breaker has overload and short circuit protection functions and is unique in design.
2. The automatic voltage protector (over voltage and under voltage protection devices) has a rated short-circuit breaking capacity of 4500A, mechanical life of more than 20,000 times, beautiful appearance. Installation guide is the TH35-7.5 type standard mounting rails.
3. The automatic voltage protector (over voltage and under voltage protection devices) have the following characteristics: Safe and comfortable Handle, over-under voltage protection value can be set according to user requirements, wiring must pay attention to zero and firing line; power is over-entering and down-out,in line with the power line characteristics, easy to install.

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