Earthe leakage circuit breaker WGL 103 is suitable for the circuit of AC 50/60Hz,rated voltage 250V, and rated current up to 30A. It can cut off the circuit immediatedly on the occasion of shock hazard and fire caused by earth leadage. And it is especially used in household and pubic building. And this product conforms to GB16916.1/EC1008. 1 standsrd.