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...YRM6-12/24 Gas-insulated Metal-enclosed Switchgear
Selection Operating conditions 1. Ambient air temperature: -40℃~+40℃; 2. Relative air humidity: daily average <95%, monthly average <90%; 3. Altitude ≤1500m (under standard inflation pressure); 4. Seismic intensity <9 class; 5. Places free from fire, explosion, serious contamination, chemical corrosion and severe vibration. Special conditions Manufacturers and end users must agree on special Operating conditions that are different from normal operating cond...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...LCT Current Transformer
Technical data 1. Operating environment a. Environmental temperature: -20℃~50℃; b. Relative humidity: ≤90% c. Atmospheric pressure: 80kpa~200kpa; 2. AC voltage: 66kV~4000kV; 3. Zero-sequence current:Primary side~36A (customize for 36A or above, secondary side 20~30mA) 4. Electric network frequence: 50Hz; 5. The terminal used with ML98 device-using explanation; System primary zero-sequence current(A) Selected terminal 1≤10<6 S1, S2 6≤10<12 S1, S3 12≤10<36 S1, S4 6. Secondary loa...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...GGD Low Voltage Power Distribution Cabinet
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. Transport and store temperature: -25℃ ~+55℃ . do not exceed +70℃ in short time. 3. Altitude: ≤2000m 4. 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 chang...