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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...
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...
S9-M Oil-immersed Transformer
Selection Operating conditions Ambient temperature: maximum temperature: +40°C, minimum temperature: -25℃. Average temperature of the hottest month:+30℃, average temperature in the hottest year: +20℃. Altitude not exceeding 1000m. The waveform of the power supply voltage is similar to a sine wave. The three-phase supply voltage should be approximately symmetrical. The total harmonic content of the load current shall not exceed 5% of the rated current. Where to use: indoors or outdoors. Featu...
LZZBJ9-10 Current Transformer
Selection Technical data 1. The performance of products is conformed to IEC standard and GB1208-2006 Current Transformer. 2. Rated insulation level: 12/42/75kV 3. Load power factor: cosΦ =0.8(Lag) 4. Rated frequency: 50Hz 5. Rated secondary current: 5A, 1A 6. Partial discharge level: In conformity to GB5583-85 standard, its partial discharge is not more than 20PC. Model Rated primary current (A) Accurate class combination Rated secondary output(VA) Rated short-time thermal current (KA vir...
LZZBJ10 Current Transformer
Selection Technical data 1. The performance of products is conformed to IEC standard and GB1208-2006 2. Current Transformer. 3. Rated insulation level: 12/42/75kV 4. Rated frequency: 50Hz 5. Rated secondary current: 5A, 1A 6. Partial discharge level: In conformity to GB5583-85 standard, its partial discharge is not more than 20PC. Rated primary current (A) Accurate class combination Rated secondary output(VA) Rated short-time thermal current (KA virtual value) Rated dynamic stability curr...
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...

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