Sign In | Join Free | My
Tengen International Industrial Limited
Tengen International Industrial Limited
Home > High Voltage Circuit Breaker >

SF6 Electric Medium voltage circuit breaker LW8-40.5 type 12kv 24kv 36kv

SF6 Electric Medium voltage circuit breaker LW8-40.5 type 12kv 24kv 36kv

Brand Name : Tengen
Model Number : ZW7
Certification : CCC
Place of Origin : Zhejiang, China (Mainland)
MOQ : 1
Price : negotiable
Payment Terms : T/T, L/C, Western Union
Supply Ability : 700 Pieces per Month
Delivery Time : 5-15 work days after confirm the payment
Packaging Details : Standard package or according to customer's requirements
Rated voltage : 40.5kv
Rated current : 1600/2000A
Rated out of step breaking current : 63/80/100KA
SF6 gas rated pressure(when 20°C the gauge pressure) : 0.45mpa
Mechanical life : 3000times
Weight : 800kg
Contact Now

Outdoor SF6 circuit breaker, 12kv, 24kv, 36kv, LW8-40.5 type


LW8-40.5 outdoor high voltage SF6 circuit breaker is a three-phase AC 50Hz outdoor high-voltage electrical equipment for control and protection of 35KV transmission and distribution systems, and can also be used to open and close contact breaker and capacitor banks occasions.

LW8-40.5-breaker equipped with CT14 spring operating mechanism.

Breaker in line with national GB1984-89 "AC high voltage circuit breakers" and the International.

outdoor AC high voltage SF6 circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 36kV three-phase alternating current 50Hz power system, also suitable for occasion with frequent operations.

The product suitable for substations, industrial and mining establishments, rural power network and occasions with frequent operation to protect and control.


  1. The altitude: 1000M-3000M
  2. The ambient temperature: -30°C-+40°C, alpine region, 40°C;
  3. Wind pressure: 8 degree;
  4. Earthquake intensity:≤8 degree;
  5. Flexible mounting site should not seriously affect the isolation switch insulation and conductivity of gases, vapors, chemical deposition, salt spray, dust and other explosive, corrosive substances;
  6. Applies to serious contamination and pollution prevention areas, but should not have caused a fire and explosion and other substances;


Rated voltageKV40.5
Rated insulation level1 min power withstand voltageKV95
Lightning impulse withstand voltageKV185
Rated currentA1600/2000
Mechanical lifeTime3000
SF6 gas rated pressure(when 20°C the gauge pressure)Mpa0.45
Closure pressure(when 20°C the gauge pressure)Mpa0.42
The lowest temperature°C-30
Rated short-circuit breaking currentKA20/25/31.5
Rated short-circuit closing current(peak)KA50/63/80
Rated short time withstand current(thermal current)KA20/25/31.5
Rated peak withstand current(dynamic current)KA63/80/100
Rated out of step breaking currentKA63/80/100
Rated short durationS4
Closing time(rated operating voltage)S≤0.1
Operating time(rated operating voltage)S≤0.07
Rated operating sequence0-0.3S-C0-180S-CO
Rated current opening and closing of a single capacitor combinationA400
Weight of SF6kg8/5
Circuit breaker weight(including the operating mechanism)kg1400/1000

Product Tags:

hv circuit breaker


high voltage air circuit breaker

China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

SF6 Electric Medium voltage circuit breaker LW8-40.5 type 12kv 24kv 36kv Images

Inquiry Cart 0