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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...
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...
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...
ZN23-40.5 Indoor Vacuum Circuit Breaker
Selection Operating conditions 1. The environment temperature: upper limit +40℃, lower limit -15℃ (cold area -25℃); 2. Altitude: not more than 2000m; 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. Earthquake intensity does not exceed 8 degrees; 6. No fire, explosion, pollution, chemical corrosion a...
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...
ZN63(VS1)-24 Indoor Vacuum Circuit Breaker
Selection ZN63 - 24 P / T 630 - 25 HT P210 Name - Rated voltage(KV) Pole type / Operating mechanism Rated current(A) breaking current(KA) - Rated short-circuit Installation Main circuit wiring direction Indoor vacuum circuit breaker - 24:24KV No mark: Insulating cylinder type P: Solid-sealing type / T: Spring type 630 1250 1600 2000 2500 3150 4000 - 20 25 31.5 40 HT:Handcart type FT:Fixed type P210 P275 Note: Zn63 (S) adopts a double spring integral mechanism by default. If...

Indoor Vacuum Circuit Breaker