BW-Air- V-12 Environmental gas circuit breaker

• Product overview:

  Bwair-12/630t-20 type environmental protection gas insulated metal closed switch vacuum circuit breaker series products, positioning for 12kV primary system of the main loop power supply and distribution equipment, using nitrogen environmental protection gas (dry air or nitrogen) as the main insulation medium, to meet the atmospheric air insulation electrical performance; The product adopts upper and lower isolation design (either upper isolation vacuum circuit breaker scheme or lower isolation vacuum circuit breaker scheme) to meet the needs of users for upper and lower isolation layout; At the same time reduce the cost of products.

  

• Product characteristics:

  Suitable for environmental protection gas insulation ring network cabinet isolation scheme, phase spacing 150

  Switching life 10000 times

  Isolation/grounding switch life: 5000 times

  The upper limit of ambient air temperature is +40°C, the lower limit is -25°C, the average daily temperature is not more than 35°C, and the altitude is ≤1000m

  

• Product parameters:

  1. Rated voltage: 12kV

  2. Rated current: 630A

  3. Rated frequency: 50Hz

  4. Rated short-circuit breaking current: 20kA/25KA

  5. Rated short-circuit closing current: 50 kA

  6. Rated short-term withstand current: 20kA/ 4S

  7 rated power frequency tolerance voltage: 42/48kV

  8. Rated lightning shock tolerance voltage: 75/85kV

  9. Circuit breaker closing speed: 0.4-0.8m/s

  10. Breaker opening speed: 0.9-1.3m/s

  11. Arc extinguishing room opening distance: 8±1

  12. Contact spring excess travel: 2.5±0.5

  13. Breaker closing time: ≤50ms

  14. Breaker opening time: ≤35ms

China BW Air V12 Environmental Gas Circuit Breaker uses environment-friendly gas as the insulating medium to reflect the harmonious coexistence between contemporary industrial manufacturing and nature, and to practice the social responsibility of modern manufacturing enterprises of ecological civilization.

China BW Air V12 Environmental Gas Circuit Breaker supplier adopts the patented self-energy load switch and ultra-low resistance vacuum circuit breaker, and the primary live parts are packaged in a slightly positive pressure stainless steel gas box filled with environmentally friendly gas, which is isolated from the outside world , to ensure that the switchgear and all primary live parts in the gas box are not affected by changes in the external environment. China BW Air V12 Environmental Gas Circuit Breaker supplier realizes maintenance-free equipment, improves power supply reliability, enhances personnel safety, and meets The need for stable economic operation.

China BW Air V12 Environmental Gas Circuit Breaker is widely used in urban distribution network, smart micro-grid, commercial real estate, municipal engineering, light industry, residential quarters and other fields, practicing the concept of environmental protection and continuously creating value for customers.

Features

• Designed based on a standardized common platform.
• Based on the concept of environmental protection, environment-friendly.
• Rated voltage 12kV.
• All primary live parts are sealed in a slightly positive pressure stainless steel air box, suitable for salt spray, humid or easily polluted power distribution places.
• Ability to withstand internal arc faults.
• The earthing switch has the ability to make earthing.
• Equipped with mechanical interlock function to ensure correct and reliable sequence operation.
• l China BW Air V12 Environmental Gas Circuit Breaker’s insulation technology, green and environmental protection.
• China BW Air V12 Environmental Gas Circuit Breaker adopts a vacuum interrupter and an independent three-position isolation grounding switch scheme, with excellent breaking performance.
• The load switch cabinet adopts an integrated three-station solution, which is more convenient to operate.
• The primary live part adopts the airtight design of the stainless steel gas box, and China BW Air V12. Environmental Gas Circuit Breaker has strong environmental adaptability.
• The structure design is compact, and the side expansion and top expansion schemes are optional, which can realize flexible expansion and application.
• China BW Air V12 Environmental Gas Circuit Breaker has a visible fracture, visual grounding, and safer application.