Vacuum Circuit Breaker Parts

The trip latch 11 holds the.

Vacuum circuit breaker parts.

The technology is suitable for mainly medium voltage application. For higher voltage vacuum technology has been developed but not commercially viable. As time goes on the size of the vacuum interrupter has reduced from its early 1960 s size due to different technical developments in this field of engineering. You can also choose from high voltage vacuum and moulded.

Vacuum circuit breaker has a high insulating medium for arc extinction as compared to the other circuit breaker. A vacuum circuit breaker is such kind of circuit breaker where the arc quenching takes place in vacuum. In comparison to various other insulating. Vacuum circuit breakers are employed for outdoor applications ranging from 22kv to 66kv.

But still it is a developing technology. The working of vacuum circuit breakers is briefly explained below. In a pure vacuum there can be no arc. Even with limited rating say 60 to 100mva they are suitable for the majority of applications in rural areas.

Even though the vacuum in vacuum bottles is very good it isn t perfect so some arcing does take place. The contacts of a vacuum breaker are enclosed in a ceramic envelope or bottle that is evacuated to an extremely low atmospheric pressure approximately 0023 in. A wide variety of parts of vacuum circuit breaker options are available to you such as 3 4 and 2. By embedding the vacuum interrupter in epoxy the assembly is substantially tougher and better suited to withstand impact moisture dust and other.

The vacuum circuit breaker has mainly two phenomenal properties. Is pleased to announce the development and availability of replacement vacuum interrupter pole assemblies compatible with older power vac circuit breakers using encapsulated embedded vacuum interrupters. The vacuum circuit breaker interrupts the current in a vacuum. Vacuum circuit breaker vmg series embedded pole vacuum circuit breakers are applicable to rating of 12kv 24kv three phase ac 50 to 60hz indoor switchgear and serve as protection and control units for industrial and mining establishments and transformer substation equipment.

When the breaker operates the moving contact separates from the fixed contact and an arc is struck between the contacts. 12 holds the contacts closed due to parts 2 5 6 11 and 14 being placed in an interference fit. The pressure inside the vacuum interrupter is approximately 10 4 torrent and at this pressure very few molecules are present in the interrupter.