Three-phase AC 50Hz outdoor high-voltage switchgear, used in the 10kV electrical power systems of rural power grid and urban power grid for opening and closing load current, overload current, and short circuit current, and in other similar applications
|2||Rated current||A||630、 1250|
|4||Rated circuit-breaker breaking current||kA||20||25|
|5||Rated short-circuit making current (peak)||kA||50||63|
|6||Rated peak withstand current||kA||50||63|
|7||4s thermal stability current||kA||20||25|
|8||Control circuit and auxiliary circuit, power frequency withstand voltage for 1 minute||V||2000|
|9||Rated operating voltage and auxiliary voltage||DC220/110|
Working environment conditions:
1.1 Ambient air temperature: Max. temperature: +45°C; Min. temperature: -40°C; Max. daily temperature difference: 25K;
1.2 Relative humidity: Daily mean is not greater than 95%, and monthly mean is not greater than 90%;
1.3 Altitude: Not higher than 2000m;
1.4 Wind: Not exceed 35m/s (equivalent to air pressure 700Pa);
1.5 Pollution grade: Grade IV;
1.6 Radial thickness of ice: 10mm;
1.7 Earthquake resistance: horizontal acceleration: 0.3g/s2; vertical acceleration: 0.2g/s2;
1.8 Installed in places free of fire, explosion, chemical corrosion and frequent severe vibration.
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Zhejiang Tengen Electric Co., Ltd.
Sulv Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China, 325699
+86 21 3119 8727
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