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|Voltage:||12kV / 24kV||Current:||630A ~ 4000A|
24kV Metal Clad Metal Mounted Withdrawable Switchgear With Vacuum Breaker
KYN28A series Mid–mounted withdrawable switchgear, is a 15~24kV three-phase AC 50Hz complete distribution device of single busbar and its sectional system, It is mainly used to control, protect, and supervise circuits for the power supply of power plant, medium or small generator, distribution of factory, mining, as well as power acceptance and transmission from the secondary substation in the power system.
1. Ambient air temperature: -15°C~+40°C.
2. Altitude: ≤1000m.
3. Relative humidity : Daily average≤95%, daily averange of vapour pressure≤2.2kpa.
4. Earthquake intensity: ≤magnitude 8.
5. Applicable in the places without corrosive and flammable gas and water vapor.
6. Used in place without frequently intense vibrant.
Note: Customized products are available.
Reference specification for 24kV
|2||Rated insulation level||1min power frequency withstand voltage||kV||65|
|Lighting impulse withstand voltage||kV||125|
|5||Rated short-time withstand current (4s)||kA||16/20/25/31.5/40/50|
|6||Rated peak withstand current||kA||40/50/63/80/100/125|
|7||Protection degree||Outer shell IP4X, cubicle and circuit breaker door open IP2X|