-Die cast aluminum or stainless steel housing -Built-in miniature circuit breaker or molded case circuit breaker -Overload, open circuit protection function, can increase leakage protection function is optional -This construction of the panel is a composite or isolated type. Composite type of the up enclosure is explosion proof and the down terminal enclosure is increased safety type. -With overload, short circuit protection, and the leakage protection, surge protectors function is optional;
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