Vacuum Interrupter/Operator - Siemens GMSG Instruction Manual

Vacuum interrupter/operator

Figure 8: Front view of type GMSG vacuum circuit breaker with front panel removed
Secondary
disconnect
Spring-
charging
motor
CHARGED/
DISCHARGED
indicator
OPEN/CLOSED
indicator
Jack shaft
Capacitor trip
(optional)
14
Closing Gearbox Opening
spring
spring
Operations counter
Ground disconnect Trip-free
interlock
Push-to-close
Closed circuit breaker interlock
Auxiliary
switch
Close coil
Trip coil
Push-to-trip
Mechanism-
operated cell
(MOC) switch
operator