12kV AC Air Insulated Switchgear

12kV AC Air Insulated Switchgear KYN28-12 series switchgear is a complete set of power distribution devices for 3-12kV three-phase AC 50Hz single busbar and single busbar sectional system. It is mainly used for power plants, small and medium generator power transmission, industrial and mining...

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Description

12kV AC Air Insulated Switchgear

KYN28-12 series switchgear is a complete set of power distribution devices for 3-12kV three-phase AC 50Hz single busbar and single busbar sectional system.

It is mainly used for power plants, small and medium generator power transmission, industrial and mining industry power distribution and secondary substation receiving points, power transmission and large-scale high-voltage motor starting, etc., for control, protection and monitoring purposes.

Product parameters

Item(Unit)	Data
Rated Voltage(kV)	3.6~12
Rated Current(A)	≤4000
Rated Frequency(Hz)	50
Rated Short-time Power Frequency Withstand Voltage(kV)	42
Rated Lightning Impulse Withstand Voltage (kV)	75
Rated Peak Withstand Current(kA)	≤100
4S Rated Short-time Withstand Current(kA)	≤40
Standard	GB3906
Protect Degree	Out Shell IP4X, Cubicle and Door Open IP2X

Main feature

1. The appearance is novel, flat and concise, the color tone is uniform, heavy, and the proportion is coordinated.

2. It has a simple and reliable "five-protection" interlock function to prevent misoperation.

3. The secondary trunking in the high-voltage room is protected by all-metal, which makes the operation safer and more reliable.

4. It has a more user-friendly man-machine interface, which is convenient for operation.

5. It can be equipped with electric chassis and electric grounding switch, and the mechanical interlock can be automatically switched to meet the requirements of distribution network automation.

12kV AC Air Insulated Switchgear