... 60.DZX4-40 range miniature circuit breaker conform to IEC standards,and comply with CCC,CE,UL,TUV.ROHS certificate DZX2-60 ... and DZX4-40 range miniature circuit breaker is mainly used ... which, operating current up to 40A for DZX4-40) for the protection of overload and short circuit ... -50A DZX4-63A circuit breaker DZX2-60.DZX4-40 range miniature circuit breaker