S9-M Oil-immersed Transformer
Selection Operating conditions Ambient temperature: maximum temperature: +40°C, minimum temperature: -25℃. Average temperature of the hottest month:+30℃, average temperature in the hottest year: +20℃. Altitude not exceeding 1000m. The waveform of the power supply voltage is similar to a sine wave. The three-phase supply voltage should be approximately symmetrical. The total harmonic content of the load current shall not exceed 5% of the rated current. Where to use: indoors or outdoors. Featu...
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...
ZW8-12 Outdoor Vacuum Circuit Breaker
Selection Operating conditions 1. Ambient temperature: upper limit +40℃, lower limit -30℃; 2. Altitude ≤ 2000 meters 3. Pressure: not more than 700Pa (corresponding to the wind speed 34m/s); 4. Earthquake intensity: do not exceed 8 degree; 5. Pollution grade: III class; 6. Maximum daily temperature variety less than 25℃. Technical data Item Unit Parameter Voltage, current parameters Rated voltage kV 12 Rated short time power frequency withstand voltage (1min) kV 42 Rated lightn...
XL Low Voltage Power Distribution Cabinet
Selection Operating conditions 1. Environmental Conditions1.Installation Site: Indoor; 2. Altitude: No more than 2000m. 3. Earthquake lntensity: No more than 8 degrees. 4. Ambient Temperature: No more than +40℃ and no less than -15℃ . Averagetemperature is no more than +35℃ within 24 hours. 5. Relative Humidity: the average daily value is no more than 95%, the averagemonthly value is no more than 90%. 6. Installation locations: without fire,explosion danger,serious pollution,chemical corros...
ZW20-12 Outdoor Vacuum Circuit Breaker
Selection Operating conditions 1. Altitude≤2000 meters 2. The environment temperature: -30℃ ~+55℃ outdoor; the highest annual average temperature 20 ℃, the highest daily average temperature 30 ℃; 3. Relative humidity: 95% (25℃) 4. Seismic capacity: horizontal ground acceleration 0.3g, vertical ground acceleration 0.15g, at the same time duration of three sine waves, a safety factor of 1.67 5. Earthquake intensity: 7 degrees 6. The maximum daily temperature difference: 25 ℃ 7. The intensity o...
GW1 Outdoor Isolation Switch
Selection Operating conditions 1. The altitude above sea level: 2000m 2. The ambient air temperature: -40℃~40℃ wind speed does not exceed 35m/s. 3. The earthquake intensity does not exceed 8 degrees. 4. The working situation is without frequent violent vibration. 5. The installation site of ordinary type isolator s hould be kept away from gas, smoke chemical deposition, salt-spray fog, dust and other explosive and corrosive maters that affect seriously insulation an...