Scope of use

The accessories of this series of circuit breakers are auxiliary functional components specially designed by our company for the West * * series circuit breakers, which achieve remote trip control and on/off status indication of the line

Main technical parameters

product overview

SD (FC) alarm contact

Action characteristics:

When the alarm contact is opened, terminals 11 and 12 are connected; When the alarm contact is closed, terminals 11 and 14 are connected; When the alarm contact is closed and the handle is manually opened, terminals 11 and 14 are still connected; When the assembled circuit breaker trips and opens due to a fault after the alarm contact is closed, terminals 11 and 14 are disconnected, and terminals 11 and 12 are connected;