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
H02H3/14
responsive to occurrence of voltage on parts normally at earth potential
H02H3/14
responsive to occurrence of voltage on parts normally at earth potential