Adapt ZN28A-10 type vacuum breaker.
The busbar compartment, Cable compartment and relay compartment are divide by metal boards.
there is an earthing busbar inside the cabinet, which can ensure reliable connection to earth.
|Rated Short-time Withstand Current||20～40kA，4S|
|Rated Peak Withstand Current||50～100kA|
|1min Power Frequency Withstand Voltage||42kV|
|Lightning Impulse Withstand Voltage||75kV|