Legrand DX3 411851 25A 30mA DP RCCB is capable to sense and compare the difference between the live and neutral voltages and then breaks the circuit when there is any imbalance. Consequently, it provides complete electrical protection together with MCB to both humans as well as equipments. This 30mA Double Pole RCCB has clearly visible ON and OFF positions with red and green colour respectively. It is ideal to use in in case of a single-phase supply that involves only a live and neutral wire. This product is ISI marked as per IS 12640-1.