DZ30L Residual Circuit Breaker with Overload Protection
DZ30L (DPNL) residual circuit breaker with overload protection has the meirt of small size. It is used to protect the circuit against overload and short circuit. When somebody gets an electrical shock or the residual current of the circuit exceeds the fixed value, the RCCB can cut off the power within the time of 0.1s automatically protecting the personal safety and preventing the equipment from the fault resulted from the residual current.