Electric equipment protection whenhuman body touching electricity or electric network leak current exceeds stipulated value, in household or similar uses with AC 50HZ, rated working voltage400V and below, rated current up to 63A, without relationship to line voltage. It is widely used in all kinds of fields, such as industry, business, civilian household and so on. Applicable Standards: IEC61008-1 Residual current operated without integral overcurrent protection of household and similar uses(RCCB)Technical data: 1) Number of poles: 2P & 4P2) Type: A, AC3) Rated current: 40A, 63A, 80A, 100A4) Rated frequency: 50HZ5) Rated operating voltage: 230V, 400V6) Rated residual actuating mA, 100mA, 300mA7) Level of protection: IP20.