JN17 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 40 Rated short circuit withstand time s 4 Rated short circuit making current kA 100 Rated peak withstand curren...
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...
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...
LZZBJ18 Current Transformer
Selection Technical data 1. Rated insulation level: 10kV:12/42/75kV; 20kV:24/65/125kV 2. Power factor of load: cosΦ=0.8(lagging) 3. Rated secondary current: 5A(or 2A,1A) LZZBJ18-10/150b/2 Type Rated primary current (A) 1s thermal current (kA virtual value) Dynamic standing current (kA peak) Accuracy class combination (1S/2S) Rated secondary output(VA) 0.2S 0.5 5P15 10P15 20 2 5 0.2/0.5/10P10 0.2/0.5/5P10 0.5/0.5/10P10 0.2/0.2/10P10 0.5/0.5/5P10 0.2/0.2/5P10 10 10 15 30 3 7.5 ...
ZN63 (VS1)-12C Vacuum Circuit Breaker (Side-Ope...
Selection ZN63 C - 12 P / T 630 - 25 FT R P210 Name Structure - Rated voltage(KV) Pole type / Operating mechanism Rated current(A) - Rated short-circuit breaking current(KA) Installation Main circuit wiring direction Phase distance Indoor vacuum circuit breaker Side operation - 12:12KV No mark: Insulating cylinder type P: Solid-sealing type / T:Spring type 630 1250 1600 2000 2500 3150 4000 - 20 25 31.5 40 FT: Fixed type L: Left R: Right P210 Note: 1. order a ZN63 si...
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...