H02H3/00
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection; ; integrated protection
H02H3/00
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection; ; integrated protection
H02H3/16
responsive to fault current to earth, frame or mass
H02H3/16
responsive to fault current to earth, frame or mass