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SF6 Circuit breaker, 40.5~132KV, 630~2500A.

Product Details

SF6 Circuit breaker, 40.5~132KV, 630~2500A.
SF6 Circuit breaker, 40.5~132KV, 630~2500A.
SF6 Circuit breaker, 40.5~132KV, 630~2500A.
SF6 Circuit breaker, 40.5~132KV, 630~2500A.
SF6 Circuit breaker, 40.5~132KV, 630~2500A.
Product Description
LW36-72.5 Outdoor HV AC. SF6 circuit breaker is an outdoor three-phase porcelain column electrical equipment

mainly used in AC 50Hz or 60 Hz, 72.5kV/126KV electrical system in extremely cold regions (for electric stations in general regions and -40C extremely cold regions).

Applied Standards
IEC62271-100 HV Alternating Current Circuit Breaker
GB311-2002 Usage Rule of HV Distribution and Insulate Apparatus
GB/T16927-1997 HV Testing Technology
GB1984-2003 HV Alternate Current Circuit Breaker
GB3309-1989 HV Switchgear Mechanical Testing under Normal Temperature
GB4473-1996 HV Alternate Current Circuit Breaker Compound Testing
GB5582-1993 HV Electric Apparatus Outer Insulating with Pollution Grade
GB11022-1999 Common Technical Requirements of HV Switchgear and Control Apparatus
GB11023-1989 HV switchgear SF6 Air-proof Testing Guide
GB/T8905-1996 Electrical Management and Checking Guide of SF6 Electric Apparatus
GB12022-1989 Industrial Using SF6


Ambient condition

1. Altitude: 1000m (high-altitude is of particular order);
2. Ambient temperature: -25 degree ~+40 degree (under -25 degree is of particular order);
3. Maximum wind speed: 34m/s;
4. Earthquake intensity: 8 degree;
5. Pollution degree: III(25mm/kV).


Product feature

1. Arc-extinguish chamber is of good breaking performance;
2. Long electrical life and high insulating capability;
3. Dependable mechanical and litter maintenance;
4. Low noise pollution;
5. Simple installation and debug;
6. Dependable air-proof feature;
7. Long mechanical life and long term of maintenance free;
8. Safe and reliable operation.


Structural features



--- High performance: strong rated circuilating ability : strong short-circuit breaking ability at 3150A, -40degree 40kA
--- Long service life: electrical endurance 31.5kA X 21 times
25kA x 31 times
mechanical life: 10000 times

--- High reliablity: sharing the arc extingushing chamber structure with LW36-126, great product internal insulation
redundancy, overall cast aluminum alloy frame adopted for the spring structure, simple structure and high
reliablity, suitable for frequent operations.
--- Reliable breakeing performance
--- Reliable sealing performance: Annual leakage of SF6 gas less than 0.5%

Contact Information

Contact PersonJacky Du
Telephone0086-13705511645
Fax Number
Websitehttp://jianingdianqi.mg-w.cn/en/
Post Code
AddressYueqing, Zhejiang, China
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