Vacuum Circuit Breaker (VCB)

The mechanism  is of conventional design and is very simple in operation and construction. Mechanism is designed for operation of very short stroke required in vacuum interrupter and is normally charged by motor. When charged, the closing spring is held by a latch which can be released either by manual means or by a solenoid to close the circuit breaker. The energy required for opening is provided by the springs, incorporated in the drive assembly which is compressed during the closing stroke.

The closing mechanism includes the following indications:

• Breaker on/off
• Spring charged or discharged

The following features are also provided on the switchgear.

• Operation counter
• Local on/off switch
• Local/remote switch
• All necessary fuses and wiring