FI/LS Residual current circuit breakers (RCB), 2-pole, B-characteristic, 25A/30mA, 230V AC, with overload protection acc. to DIN VDE 0664, EN 61009, this device offers protection against too high currents, shortcircuits and injury. Especially for use in sensitive areas. Protection against indirect contact, and in certain cases direct contact with live parts. All pole tripping, A-type, detects alternating and pulsing direct earth leakage currents