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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...
GN30-12 Indoor Isolation Switch
Selection Operating conditions 1. The altitude does not exceed 1000m; 2. Ambient air temperature: -10 ℃ ~+40 ℃; 3. Relative humidity: daily average value is not greater than 95%, monthly average value is not greater than 90%; 4. Contamination grades: no serious dust, corrosive and explosive material place; 5. Earthquake intensity: do not exceed 8 degree; No regular violent vibration place. Technical data Product specifications Parameter GN30-12/ 400-12.5 GN30-12/ 630-12.5 GN30-12/ 1000-1...
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...
GCS Low-voltage Switchgear Panel, Withdrawable ...
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. Altitude: ≤2000m 3. 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 change will make out condensation. 4. Installation inclination: ≤5% 5. Applicable in the...
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...
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...

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