GSB1Z range miniature DC circuit breaker is mainly used in the DC electric circuits with the rated voltage of up to 750V and the rated working current of up to 40A for purposes of the protection of over-load; short-circuit as well as the non-frequently switching. This circuit breaker can be fitted with the auxiliary contacts, the alarm contacts and the field-exciter tripping, the alarm contacts and the field-exciter tripping accessories to realize the remote breaking-off and signal control functions. STRUCTURAL FEATURES A This breaker use module design and can used with shunt trip and auxiliary...