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...
Air-insulated RMU(Fixed Type) YSM6-12~24
Selection Operating conditions 1. Air temperature: Maximum temperature: +40℃; Minimum temperature:-5℃ 2. Humidity: Monthly average humidity 95%; Daily average humidity 90% . 3. Altitude above sea level: Maximum installation altitude: 2000m 4. Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. 5. No frequent violent shake Features 1. Incoming unit with switch disconnector(Load break switch) schemas With other extra components optional Outg...
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...
GW4 Outdoor Isolation Switch
Selection Technical data Item Unit Parameters GW4- 40.5 GW4- 72.5 GW4- 126 GW4- 126G GW4- 145 Rated voltage KV 40.5 72.5 126 126 145 Rated current A 630 1250 2000 2500 630 1250 2000 2500 4000 630 1250 2000 2500 630 1250 1250 2000 2500 Rated short-time withstand current (RMS) KA 20 31.5 40(46) 20 31.5 40(46) 20 31.5 40(46) 20 31.5 20 31.5 40(46) Rated peak withstand current (peak) KA 50 80 100(104) 50 80 100(104) 50 80 100(104) 50 80 50 80 100(104) Rated short-time withstand...
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...
GW9 Outdoor Isolation Switch
Selection Operating conditions 1. The altitude does not exceed 1000m. 2. The ambien t air temperature: Maximum+40℃: Minimum: General Area-30℃, Paramos-40℃ . 3. The wind pressure does not exceed 700Pa. 4. The earthquake intensity does not exceed 8 degrees. 5. The working situation without frequent violent vibration. 6. The installation site of ordinary type isolator s hould be kept away from gas,smoke chemical deposition, salt-spray-fog, dust and other and corrosive maters that affect serious...