Vcb Circuit Breaker Connection Diagram. The material used for current carrying contacts plays an important role in the performance of the vacuum circuit breaker. The vacuum circuit breaker comprises a steel arc chamber in the center symmetrically arranged ceramic insulators.
24 24 630 630 1250 1250 2000 50 60 50 60 12 5 25 520 1000 12 5 25. Vacuum circuit breakers are employed for outdoor applications ranging from 22kv to 66kv. Do not use a lifting hook that is damaged or worn.
1val050503 mb rev d 7 caution always follow safe work practices when lifting the circuit breakers to protect the safety of personnel and equipment.
A set of wiring diagrams may be required by the electrical inspection authority to accept link of the quarters to the public electrical supply system. Construction of vacuum circuit breaker. The pressure inside the vacuum interrupter is maintained below 10 4 torr. 24 24 630 630 1250 1250 2000 50 60 50 60 12 5 25 520 1000 12 5 25.
