F362 (RCBO) breaker electrical switch mcb rccb is in accordance with standards of IEC1108-1 and GB16916-1997,applying to the circuit of AC50/60Hz,240V single phase,415 three phases and below it for industrial and mining enterprise,building trade,commerce and family.For the ELCB is a current-operated, fast leakage protector of pure electromagnetic type,which can break off fault circuit rapidly in order to avoid occurrence of accident.