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S9-M Series Oil-immersed Fully Sealed
Selection Operating conditions 1. Ambient temperature: maximum temperature: +40°C, minimum temperature: -25℃ . 2. Average temperature of the hottest month:+30℃, average temperature in the hottest year: +20℃ . 3. Altitude not exceeding 1000m. 4. The waveform of the power supply voltage is similar to a sine wave. 5. The three-phase supply voltage should be approximately symmetrical. 6. The total harmonic content of the load current shall not exceed 5% of the rated cur...
JN15-12 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 31.5 Rated short circuit withstand time s 4 Rated short circuit making current kA 80 Rated peak withstand current kA 80 Rated 1min powe...
KYN28-24 Metalclad AC Enclosed Switchgear, With...
Selection Operating conditions 1. +15°C~+40°C. And the average value measured within 24 hours shall not exceed 35°C 2. The average monthly relative humidity shall not exceed 90% The average monthly water vapor pressure shall not exceed 1.8kPa; 3. Altitude: ≤1000m. 4. There is no obvious dust or smoke in the surrounding air: pollution caused by corrosive or combustible gases, vapors, or salt mist; 5. Vibration or ground motion from outside the switchgear and control equipment can be ignored; ...
RN1 Indoor Current Limiting Fuse
Features Current which passes the fuse when being1.3 times of itsspecified electric current，Do not fusing for an hour; Whenthe current through the fuse is 2 times of its specinedelectric current，fusing in an hour;Refer to its fusingfeature curve in chart 1when select the fuse. Figure 1 RN1/RN3“An-second” characteristic curve Technical data 3 6 10 35 Rated current (A) 20 100 200 300 400 200 75 100 200 300 20 50 75 100 200 7.5 10 20 30 40 Max breaking curent KV effective vakue 40 1.3...
ZN85-40.5 Indoor Vacuum Circuit Breaker
Selection Operating conditions 1. Ambient temperature -10℃ ~ +40℃ 2. Altitude ≤ 1500m; 3. Relative humidity: the daily average is not greater than 95%, the monthly average is not greater than 90%, the daily average of saturated steam is not greater than 2.2*10-³Mpa, and the monthly average is not greater than 1.8*10-³Mpa; 4. The earthquake intensity does not exceed 8 degrees; 5. Places free of fire, explosion hazards, severe pollution, chemical corrosion and severe vibrations. Features 1. Ad...
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...

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