Residual current circuit breaker (RCCB) are used to protect humans & installation from insulation faults in residential & commercial applications. Simple and robust operating mechanism; Rotary handle with ON/Off indication; Dual termination for Bus Bar as well as cable connection;  Advance Neutral; Test Button for regular inspection; Earth fault trip indicator, 2P & 4P, 16A to 125A under 30mA, 100mA, 300mA, 500mA; AC type, A (for AC and DC) type, G - Delay type available.