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...
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...
FZN21/FZRN21-12 Indoor Vacuum Load Switch
Selection Operating conditions 1. Altitude: no more than 1000m; 2. The environment temperature: upper limit +40℃, lower limit -30℃; 3. Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%; 4. Saturated steam pressure: daily average value is not higher than 2.2×10 -3 Mpa, monthly average is not higher than 1.8×10 -3 Mpa; 5. No severe vibration, no corrosive gas, no fire, no explosion danger place. Technical data Item Unit Parameter Techn...
JN15-12 Indoor Grounding Switch
Selection Operating conditions 1. Ambient temperature:-10~+40℃ 2. Altitude: ≤1000m (sensor height:140mm) 3. Relative humidity: Day average relative humidity ≤95% Month average relative humidity ≤90% 4. Earthquake intensity: ≤8degree 5. Dirtiness degree: II Technical data Item Units Data Rated voltage kV 12 Rated short time withstand current kA 31.5 Rated short circuit withstand time s 4 Rated short circuit making current kA 80 Rated peak withstand current kA 80 Rated 1min powe...
FN AC High-voltage Load Switch
Selection Technical data Rated voltage(kV) Highest voltage(kV) Rated current(A) Industrial frequency voltage withstand in 1min(kV) 4S thermal stable current (effective value)(A) 12 12 400 42/48 12.5 12 12 630 42/48 20 Active stable current (peak value)(A) Short circuit close current (A) Rated open current (A) Rated transfer current (A) 31.5 31.5 400 1000 50 50 630 1000 Type Full type DS Earthing switch at inlet position DX Earthing switch at inlet position L Interlock...
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...