Product overview
The LW36-40.5 outdoor high-voltage sulfur hexafluoride circuit breaker is a three-phase AC 50H outdoor high-voltage electrical equipment; it is suitable for the control and protection of 40.5V power transmission and distribution systems; it can also be used for contact circuit breakers and switching capacitor banks; It can also be equipped with a current transformer for measurement and protection. LW34-40.5 circuit breaker is equipped with CT14 elastic operating mechanism. The circuit breaker complies with the requirements of the national standard GB1984-1989 "AC High-voltage Circuit Breaker" and the International Electrotechnical Commission standard IEC60056:1987 "High-voltage AC Circuit Breaker". The main features of the circuit breaker: excellent breaking performance, using a compressed gas arc extinguishing chamber, short arcing time, long electrical life, continuous breaking of 25,000 amps 20 times at rated voltage without maintenance, and without replacement of sulfur hexafluoride gas; The insulation is reliable, and the air pressure can withstand 40.5KV for 10 minutes at zero gauge pressure; the mechanical reliability is high, the closing ability is strong, and it can be operated frequently; the current of the switching capacitor bank is 400 amperes without re-ignition; the long-term line can be cut without re-ignition for 25 or 50 kilometers. Combustion; simple structure, small size, long maintenance cycle
Use environmental conditions
1. Altitude: no more than 2500m, plateau type 4000m;
2. Ambient temperature: -30°C~+40°C (special requirements -40°C-+40°C);
3. Relative humidity: daily average not greater than 95%, monthly average not greater than 90% (25°C);
4. Wind speed: no more than 35m/s;
5. Pollution level: Class I; the creepage distance of the porcelain sleeve is 1050mm (1320mm) (the nominal specific creepage distance is not less than 25mm/kV);
6. Ice coating: 10mm (MAX);
7. Earthquake conditions: vertical acceleration 0.3g; horizontal acceleration 0.15g (max). There are no flammable substances, explosion hazards, chemical corrosion and severe vibration.
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