ZW7-40.5 Outdoor Vacuum Circuit Breaker
Operating conditions 1. Ambient temperature: upper limit +40℃, lower limit -30℃; Days difference does not exceed 32K; 2. Altitude: 1000m and the following areas; 3. Wind pressure: not more than 700Pa (corresponding to the wind speed 34m/s); 4. Air pollution level: IV class 5. Earthquake intensity: do not exceed 8 degree; 6. Ice thickness: no more than 10mm. Technical data Item Unit Parameter Voltage, current parameters Rated voltage kV 40.5 Rated short time power frequency withstan...
ZW32-24 Outdoor Vacuum Circuit Breaker
Selection Operating conditions 1. Ambient air temperature: The daily temperature variation: -40℃ ~+40℃ diurnal variation of temperature less than 25℃; 2. Altitude: no more than 2000 meters 3. Wind speed is no more than 35m/s (equivalent to 700Pa on the surface of the cylindrical); 4. Ice cover thickness no more than 10mm; 5. The intensity of sunshine not more than 1000W/m ² 6. Pollution degree no more than GB 5582 IV class 7. Seismic intensity does not exceed 8 class 8. No flammable, explosi...
YBM22-12/0.4 Outdoor Prefabricated Substation (EU)
Selection Operating conditions 1. Ambient air temperature: -10℃ ~+40℃ 2. Altitude: ≤1000m 3. Solar radiation: ≤1000W/m² 4. Ice cover: ≤20mm 5. Wind speed: ≤35m/s 6. Relative humidity: Daily average relative humidity ≤95%. Monthly average relative humidity ≤90% Daily average relative water vapour pressure ≤2.2kPa. Monthly average relative water vapour pressure ≤1.8kPa 7. Earthquake intensity: ≤magnitude 8 8. Applicable in the places without corrosive and flammable gas Note: Customized product...
FZW32-12(40.5) Outdoor Vacuum Load Switch
Selection Features FZW32-12 (40.5) type outdoor high voltage isolating vacuum load switch adopts the vacuum arc extinguish chamber, no explosion danger, no maintenance. The load switch isolation knife linkage with a three-phase vacuum interrupter, breaking and closing operation in good same period, and with reliable isolation fracture when breaking, namely has the function of isolation switch. Most of the switch body parts are made of stainless steel materials, the base frame is made by stai...
GCS Low-voltage Switchgear Panel, Withdrawable ...
Selection Operating conditions 1. Ambient air temperature: -15℃ ~+40℃ Daily average temperature: ≤35℃ When the actual temperature exceed the range, it should be used by reducing the capacity accordingly. 2. Altitude: ≤2000m 3. Relative humidity: ≤50%, when temperature is +40℃ When temperature is low, larger relative humidity is allowed. when it is +20℃, relative humidity can be 90%. Since the temperature change will make out condensation. 4. Installation inclination: ≤5% 5. Applicable in the...
FZN25/FZRN25-12 Indoor Vacuum Load Switch
Selection Operating conditions 1. Ambient air temperature: upper limit +40℃, lower limit -25℃ (allow storage at – 30℃), 24h average value is not higher than +35℃; 2. Altitude: no more than 1000m; 3. Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%; 4. Earthquake intensity: do not exceed 8 degree; 5. The surrounding air is not corrosive and flammable gas,steam and other significant pollution; 6. No regular violent vibration; 7. Cont...