SecoVac VB- 40.5 Vacuum Circuit Breaker


The SecoVac VB40.5 series vacuum circuit breakers are pieces of apparatus for indoor installation: three-phase AC, 50Hz frequency, and a rated working voltage of 40.5kV. This series circuit breaker is widely applied to mining, power plants and substations. In particular, the apparatus is applicable for places requiring frequent operation. The products conform to the GB1984 (equivalent to IEC62271-100) and DL403 standards. The installation of the breaker inside the switchgear may be both withdrawable or fixed. The VB40.5 vacuum circuit breaker is the optimal choice for control and protection in MV transmission and distribution systems.

Features and benefits

Single modular design

Epoxy embeded pole

Easy to maintain

Fully comply with GB/DL standard