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 } responsive to undervoltage or no-voltage for multiphase applications, e.g. phase interruption
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 } responsive to undervoltage or no-voltage for multiphase applications, e.g. phase interruption