GW1 Outdoor Isolation Switch
Selection Operating conditions 1. The altitude above sea level: 2000m 2. The ambient air temperature: -40℃~40℃ wind speed does not exceed 35m/s. 3. The earthquake intensity does not exceed 8 degrees. 4. The working situation is without frequent violent vibration. 5. The installation site of ordinary type isolator s hould be kept away from gas, smoke chemical deposition, salt-spray fog, dust and other explosive and corrosive maters that affect seriously insulation an...
JN15-24 Indoor Grounding Switch
Selection Operating conditions 1. Ambient temperature:-10~+40℃ 2. Altitude: ≤2000m 3. Relative humidity: Day average relative humidity ≤95% Month average relative humidity ≤90% 4. Earthquake intensity: ≤8degree 5. Class of pollution: II Technical data Item Units Data Rated voltage kV 24 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 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...
LZZBJ18 Current Transformer
Selection Technical data 1. Rated insulation level: 10kV:12/42/75kV; 20kV:24/65/125kV 2. Power factor of load: cosΦ=0.8(lagging) 3. Rated secondary current: 5A(or 2A,1A) LZZBJ18-10/150b/2 Type Rated primary current (A) 1s thermal current (kA virtual value) Dynamic standing current (kA peak) Accuracy class combination (1S/2S) Rated secondary output(VA) 0.2S 0.5 5P15 10P15 20 2 5 0.2/0.5/10P10 0.2/0.5/5P10 0.5/0.5/10P10 0.2/0.2/10P10 0.5/0.5/5P10 0.2/0.2/5P10 10 10 15 30 3 7.5 ...
LFS-10Q Current Transformer
Selection Structural introduction This type of current transformer is fully enclosed and post type. It has a good ability of insulation, moisture proof and antipollution. It is small and light. It can be installed at any place and any direction. Technical data 1. Rated insulation level: 12/42/75kV; 2. Rated secondary current: 5A,1A; 3. Refer to the table for rated primary current, accuracy classed combination, rated output, rated dynamic and thermal current. 4. The conditions of partial disc...
ZW32-12 Outdoor Vacuum Circuit Breaker
Selection Operating conditions 1. The environment temperature: upper limit +40℃, lower limit -30℃ 2. Altitude ≤ 2000 meters 3. Wind pressure: no 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: less than 25℃ . Technical data Item Unit Parameter Voltage, current parameters Rated voltage kV 12 Rated short time power frequency withstand voltage (1min) kV 42/48 Rated l...