11kv Switchgear

Yuebian Electric Co.,Ltd is one of the leading China 11kv switchgear manufacturers and suppliers,Website:http://www.yb-electric.com, welcome to check 11kv switchgear price with us.22.KYN28A-24（Z）metalclad movable AC switchgearGeneralKYN28A-24(Z)(GZS1)metalclad movable AC switchgear(hereinafter referred to as switchgear),suitable for three phase AC 50HZ power system for receiving and distributing power and controlling circuit, protecting and monitoring.Environmental condition1.Ambient temperature: maximum +40℃, minimum-15℃; 2. Altitude: ≤1000m 3. Wind speed: About34m/s (≤700Pa); 4. Humidity: Average daily relative humidity ≤95% Average monthly relative humidity ≤95% 5. Seismic intensity: <8°6.No frequent violent vibration place7. Installing environment: ambient air has not been obviously polluted by corrosive or flammable gas, and there is no strong feeling of shock. 8. Please negotiate with the company when the purchased product is beyond above stipulated conditions.Technical ParametersDefinitionUnitDataRated voltageKV3.6、7.2、12、24Rated frequencyHz50Rated current of the breakerA630、1250、1600、2000、2500、3150、4000Rated current of switch gearA630、1250、1600、2000、2500、3150、4000Rated short-time withstand current（4s）KA16、20、25、31.5、40、50Rated peak withstand current（Peak）KA40、50、63、80、100、25Rated short-circuit breaking currentKA16、20、25、31.5、40、50Rated short-circuit current（peak）KA40、50、63、80、100、25Rated insulation level1min power frequency withstand voltagePolar、polar to earthKV24、32、42、65Break fractureKV24、32、48、79Lightning impulse withstand voltage（peak）Polar、polar to earthKV40、60、75、125Break fractureKV46、70、85、145Levels of protectionShell IP4X,while Cabinet room,circuit breaker room is open IP2X