Hv Mv Indoor Vacuum Type 11kv Circuit Breaker

The hv mv indoor vacuum type 11kv circuit breaker is a medium voltage electrical device designed to control and protect AC power gird. The vacuum interrupter is the main part to extinguish arcs immediately and safely, to ensure reliable performance even under demanding operating conditions. The operating mechanism of a hv mv indoor vacuum type 11kv circuit breaker is spring operated mechanism delivers which could accurately respond to fault signals and cut off the current through vacuum interrupters. Additionally, a hv mv indoor vacuum type 11kv circuit breaker could be stationary type or trolley type to make it suitable to KYN28 type or HXGN type electrical panel.

Because of the compact design and high mechanical strength, it is widely applied in utility substations, industrial plants, and commercial power distribution systems, such as steel, mining, petrochemical, and transportation sectors.

Technical Parameter

Product FAQ:

Q: Is a hv mv indoor vacuum type 11kv circuit breaker environmentally friendly compared with SF6 breakers?

A: Yes. Unlike SF6 gas circuit breakers, a hv mv indoor vacuum type 11kv circuit breaker use no greenhouse gases. They rely purely on vacuum technology, to make them a clean and eco-friendly option with no risk of gas leakage.

Q: What are the maintenance requirements of a hv mv indoor vacuum type 11kv circuit breaker?

A: Routine maintenance is minimal. Periodic checks of contact wear, operating mechanism lubrication, insulation resistance, and secondary wiring are recommended. In most cases, only simple inspections are needed during scheduled outages.

Q: Can the hv mv indoor vacuum type 11kv circuit breaker be customized?

A: Yes, Manufacturers typically provide both stationary and trolley types, different rated currents (630A, 1250A, 1600A, 2000A, etc.), and a variety of trip coils, CTs, and auxiliary contacts to match the switchgear design.