125A DC miniature circuit breaker ( MCB ) can protect under 125A with the voltage DC 220V ... ) over load,short current,etc. DC miniature circuit breaker (MCB ) function as follows:1,under 125A protect2,DC220V /440V ... protection3,overload protection5,short current protective125A DC miniature circuit breaker (MCB ) CharacteristicDirects current the small circuit breaker specialized design, for ...