The outdoor high voltage SF6 circuit breaker is suitable for the control and protection of high-voltage transmission and distribution system, simple structure, reliable double-cylinder self-energy arc extinguishing chamber, with excellent breaking performance, reliable insulation performance and other advantages, can also be used to contact circuit breakers and capacitor bank opening and closing occasions.

Operating Conditions:

- Ambient air temperature: -15°C to +40°C

- Altitude: not exceeding 4000m

- Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%

- Earthquake intensity: not exceeding 8 degrees

- Installation sites should be free from fire, explosion hazards, severe pollution, chemical corrosion, and intense vibration.

Main Technical Parameters:

- Rated voltage: 12kV

- 1 min power frequency withstand voltage: 42kV

- Rated impulse withstand voltage (peak): 75kV

- Rated frequency: 50Hz

- Rated current: up to 5000A

- Protection grade: IP4X for casing, and IP2X when the compartment door or circuit breaker cubicle is open

- Weight: 700-1200kg