ZN28-12 Indoor Vacuum Circuit Breaker
Selection Operating conditions 1. The environment temperature: upper limit +40℃, lower limit -15℃; 2. Altitude: ≤2000m; 3. Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%; 4. Earthquake intensity: less than 8 degrees; 5. No fire, explosion, pollution, chemical corrosion and severe vibration place. Technical data Item Unit Parameter Parameters of voltage, current, life Rated voltage kV 12 Rated short time power frequency with...
FZW28-12F Outdoor Vacuum Load Switch
Selection Operating conditions 1. Altitude: ≤ 2000 meters; 2. Environment temperature: -40℃ ~+85℃; 3. Relative humidity: ≤ 90% (25℃); 4. The maximum daily temperature difference: 25℃; 5. Protection grade: IP67; 6. The maximum ice thickness: 10mm. Technical data Item Unit Parameter The switch body Rated voltage kV 12 Power frequency insulation withstand voltage (Interphase and phase to ground / fracture) kV 42/48 Lightning impulse withstand voltage (Interphase and phase to groun...
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...
S9-M Series Oil-immersed Fully Sealed
Selection Operating conditions 1. Ambient temperature: maximum temperature: +40°C, minimum temperature: -25℃ . 2. Average temperature of the hottest month:+30℃, average temperature in the hottest year: +20℃ . 3. Altitude not exceeding 1000m. 4. The waveform of the power supply voltage is similar to a sine wave. 5. The three-phase supply voltage should be approximately symmetrical. 6. The total harmonic content of the load current shall not exceed 5% of the rated cur...
GW4 Outdoor Isolation Switch
Selection Technical data Item Unit Parameters GW4- 40.5 GW4- 72.5 GW4- 126 GW4- 126G GW4- 145 Rated voltage KV 40.5 72.5 126 126 145 Rated current A 630 1250 2000 2500 630 1250 2000 2500 4000 630 1250 2000 2500 630 1250 1250 2000 2500 Rated short-time withstand current (RMS) KA 20 31.5 40(46) 20 31.5 40(46) 20 31.5 40(46) 20 31.5 20 31.5 40(46) Rated peak withstand current (peak) KA 50 80 100(104) 50 80 100(104) 50 80 100(104) 50 80 50 80 100(104) Rated short-time withstand...
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...Medium and high voltage products are electrical equipment designed to handle voltages above the standard household voltage of 120V. These products are used in a variety of applications, including power generation, transmission, and distribution, as well as industrial and commercial settings.