Detailed Product Description Application FI-100 RCCB is in conformity with the standard of IEC61008. The RCCB can cut ... by earth leakage.The RCCB is mainly suitable for use in varieties of plants and enterprises, building construction 1 phase 230V ... , 40, 50, 63 Rated Residual Operating Current (ln)(mA)30, 100, 300, 500 Rated Residual Non-operation Current (lno)(mA)≤0 ...