The ZN23-40.5super elevated life vacuum circuit breaker is rated voltage 40.5KV, three-phase AC 50HZ indoor high voltage electric appliance equipment. It is suitable for using industry and mining enterprise, transformer substation and so on for controlling and protecting switch gear ,especially for the metallurgy, the electric arc steel-making and so on where needs the frequently operation for control and protection device.

This product conforms to GB1984A.Chigh voltage circuit breaker standard