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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...
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...
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...
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...
ZN63(VS1)-12 Indoor Vacuum Circuit Breaker (Ins...
Selection ZN63 - 12 T 630 - 25 HT P210 Model Rated voltage(KV) Operating mechanism Rated current(A) Rated short-circuit breaking current(KA) Installation Phase spacing Indoor vacuum circuit breaker 12:12KV T: Spring type 630,1250, 1600,2000, 2500, 3150, 4000 20, 25, 31.5, 40 HT: Handcart FT: Fixed type P150, P210, P275 Note: ZN63-12 adopts a double spring integrated mechanism by default. If a single spring modular mechanism is required, a single spring needs to be added to the mod...
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...

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