35KV high voltage SF6 gas outdoor vacuum circuit breaker

The LW8-40.5KV High Voltage Sulfur Hexafluoride Circuit Breaker is a state-of-the-art outdoor high-voltage electrical equipment that utilizes sulfur hexafluoride as its arc extinguishing medium. Designed for three-phase AC 50Hz, it is specifically engineered to provide efficient control and protection for power transmission and distribution systems operating at 35kV. In addition, it can be conveniently used to connect circuit breakers and switch capacitor banks, and has the capability to be equipped with a current transformer for measurement and protection.

This circuit breaker is fully compliant with the national standard GB 1984-1989 "AC High-voltage Circuit Breaker" as well as the International Electrotechnical Commission standard IEC60056:1987 "High-voltage AC Circuit Breaker", ensuring its reliability and safety.

Equipped with the CT14 type spring operating mechanism, the LW8-40.5KV circuit breaker offers a range of impressive features:

1. Excellent breaking performance: With a short arcing time and long electrical life, it can withstand 16 consecutive breaks under 100% rated short-circuit breaking current without the need for maintenance or replacement of sulfur hexafluoride gas.

2. Reliable mechanism: The circuit breaker's mechanism boasts high reliability and robust closing ability, making it suitable for frequent operations.

3. Switching capacitor bank compatibility: The LW8-40.5KV circuit breaker can handle a switching capacitor bank with a current of up to 400 A without reignition.

4. Long-term reliability: It has a remarkable ability to prevent reignition even after 50 kilometers of long-term short cuts.

5. Compact design: The LW8-40.5KV circuit breaker features a simple structure and small size, making it easy to install and maintain. Plus, it has a long maintenance cycle, minimizing the need for frequent attention.

To ensure optimal performance, the LW8-40.5KV circuit breaker should be operated within the following usage environment:

1. Altitude: The circuit breaker is suitable for operation at altitudes not exceeding 2000 meters.

2. Ambient temperature: It can withstand ambient temperatures ranging from -30°C to 40°C.

3. Air pollution level: The circuit breaker has been designed to withstand up to Level III air pollution.

4. Wind speed: It should not be exposed to wind speeds exceeding 34m/s.

In summary, the LW8-40.5KV High Voltage Sulfur Hexafluoride Circuit Breaker offers outstanding breaking performance, reliability, and safety features. Its compact design and long maintenance cycle make it an ideal choice for a wide range of power transmission and distribution applications.