1250A Metal Enclosed Switchgear,
Power Plants Metal Enclosed Switchgear,
Metal Enclosed Switchgear IP4X
Type: vacuum circuit breaker.
1. Air temperature: -25℃~+40℃
2. Humidity: Monthly average humidity 95%; Daily average humidity 90%.
3. Altitude: ≤ 2500m
4. Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
5. No frequent violent shake
The KYN28 series switchgear produced by our company has passed all the tests required by the international (IEC) standards. When each switchgear is subjected to rigorous routine tests designed to check the function of the switchgear according to the specific characteristics of each device before leaving the factory.
|4||Branch busbar Rated current||630,1250,1600,2000,2500,3150,4000|
|5||The main busbar Rated current||630,1250,1600,2000,2500,3150,4000|
1min Power frequency
|7||Lightning impulse withstand voltage||kV||75||95/125|
|8||Rated short circuit breaking current (peak)||KA||40/50/63/80/100|
|9||Short-time withstand current(4s)||20/25/31.5/40|
|10||Protection type||IP4X for housing|
Contact Person: Antonio