* Accordance with standards of VDE 0664, CEE27 and BS4293, applying to 50/60Hz, 240V AC single-phase, 415V three-phase

* For industrial and mining enterprise, building trade, commerce and family

* To mainly prevent electric fire and personal casualty accident caused by personal electric shock or leakage of electrified wire net

* This ELCB is a current operated, fast leakage protector of pure electromagnetic type