ZW7-40.5 Outdoor high voltage vacuum circuit breaker(Two-phase ceramic type)
ZW7-40.5 Outdoor high voltage vacuum circuit breaker(Single phase ceramic type)
ZW32-40.5 Outdoor high voltage vacuum circuit breaker(Silicone rubber insulation tube)
ZW32-40.5G Outdoor high voltage vacuum circuit breaker(Silicone rubber insulation tube)
ZW32-40.5 Outdoor high voltage vacuum circuit breaker（Solid sealed pole）
ZW32-40.5G Outdoor high voltage vacuum circuit breaker（Sealed pole with isolation switch）