Residual current circuit breakers - Characteristics - B

A residual current circuit breaker is an electrical device that disconnects a protected electrical circuit if part of the incoming current leaks out of the circuit, for example when the insulation is damaged or when a person touches it. The following protection measures are available for AFI circuit breakers: fault protection, fire protection and additional protection in the event of direct contact. They are also suitable for insulation and have an optional operating position.