OF SD 28 integrated auxiliary alarm system

Scope of use

The accessories of this series of circuit breakers are auxiliary functional components specially designed by our company for the Beijing People's G65 series circuit breakers, which achieve remote trip control and on/off status indication of the line

Main technical parameters

product overview

OF SD 28 auxiliary alarm integrated contact

Action characteristics:

Auxiliary: When the auxiliary contact is opened, terminals 11 and 12 are connected; When the alarm contact is closed, terminals 11 and 14 are connected;

Alarm: When the alarm contact opens, terminals 95 and 96 are connected; When the alarm contact is closed, terminals 95 and 98 are connected;

When the alarm contact is closed and the handle is manually opened, terminals 95 and 98 are still connected; When the assembled circuit breaker trips and opens due to a fault after the alarm contact is closed, terminals 95 and 98 are disconnected, and terminals 95 and 96 are connected;