Application scope JVL1-63 I Residual Current Circuit Breaker provide the function of isolation switching and earth leakage protection of electrical circuits.And also provide the indirect protection of the operator's body against the dangerous effects of electric current and provide the protection of the fire caused by the electrical circuit fault. Standard IEC61008 Main technical parameters Type JVL1-63 I Number of poles 2P,4P Rated Current(In) 25,40,63,80,100A Rated residual operating current( I△n) 10,30,100,300,500mA Rated residual non-operation Current( I△no) 0.5I△n Rated Voltage(Un) AC 2P: 230/240V 4P: 400/415V Residual operating current scope 0.5I△n~I△n Residual current off-time ≤0.3s Type A,AC Ultimate short-circuit breaking capacity (Inc) 6000A Endurance ≥4000 Terminal protection IP20