6~24kV power system for control, protection and monitoring. VCBs produced by CHINT or VCBs produced by other manufacturers could be installed in the switchgear panel. Standards: IEC 62271-200 Parameters: Rated voltage: 24kV. ZTelec KYN28-12 Metal-Clad Medium Voltage Switchgear - 12kV withdrawable switchgear cabinet for substations, power plants, and industrial applications. Certified with ISO9001, CE, CB, and CCC. 2kV, and 12kV three-phase AC 50Hz/60Hz. Application: In 3. This product is a power distribution that can be equipped with the ZN63A-12 vacuum circuit breaker developed by our company and the VD4, VB2 and 3AH vacuum circuit plate is made by inward folding and double bending process.