SD alarm

Scope of use

This series of circuit breaker accessories is specially designed by our company for L7 E6、 The auxiliary functional components of the 18 series circuit breaker are designed to achieve remote tripping control and indication of the opening and closing status of the circuit

Main technical parameters

product overview

SD alarm contact

Action characteristics:

When the alarm contact is opened, terminals 41 and 44 are connected; When the alarm contact is closed, terminals 41 and 42 are connected; When the alarm contact is closed and the handle is manually opened, terminals 41 and 42 are still connected; When the assembled circuit breaker trips and opens due to a fault after the alarm contact is closed, terminals 41 and 42 are disconnected, and terminals 41 and 44 are connected;