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  • Vacuum Interrupter For Circuit breaker
  • Vacuum Interrupter For Circuit breaker

Vacuum Interrupter For Circuit breaker

Description:

Vacuum interrupter is a core part apply on medium and high voltage switchgear.We supply many types.(250A,2.5KA),(400A,4KA),(400A,6.3KA),(630A,6.3KA),(1250A,2.5KA),(1250A,4KA),(1250A,6.3KA)

  • Product Description

Vacuum interrupter for circuit breaker

Vacuum interrupter is a core part apply on medium and high voltage switchgear.We supply many types.(250A,2.5KA),(400A,4KA),(400A,6.3KA),(630A,6.3KA),(1250A,2.5KA),(1250A,4KA),(1250A,6.3KA)

Main technical data   

Rated voltage 12kV
Rated current 250/400/630A
Rated frequency 50Hz
Rated short-time power frequency withstand voltage(1 min) 42kV
Rated lighting impulse withstand voltage 75kV
Rated making current 2.5/4.0/6.3kA
Rated breaking current,max 2.0/3.2/5.0kA
Rated breaking current,min 50/80/125A
Rated making current,limit 2.5/4.0/6.3kA
Rated short-time withstand current 2.5/4.0/6.3kA
Rated duration of short-circuit 4s
Mechanical life 30* 104  times
Electricity life AC-3 25* 104  times
Electricity life AC-4 10* 104  times
Rated contact stroke 6±1mm
Contact closing force due to bellows and atmosphere 70±30N
Counter force at rated contact stroke 110±40N
Circuit resistance at rated contact atmosphere force ≦55μΩ
Shelf life 20 years
Contact erosion limit 3mm
Weight of moving parts ≦0.4kg

Mechanical data required for matching vacuum switchgear

Added contact force 110±10N
Average opening speed 0.6±0.2m/s
Average closing speed 0.3±0.1m/s
Contact bouncing duration at closing operation ≦2ms
Contact bouncing bank amplitude of opening operation ≦2mm
Three-pole simultaneity ≦1ms


Vacuum interrupter for circuit breaker

Drawing Vacuum interrupter for circuit breaker

drawing Vacuum interrupter for circuit breaker

 

About us

We are specialty on providing medium voltage and high voltage circuit breaker and switchgear components, such as 12KV, 24 KV, 36KV and 40.5KV embedded cylinder,insulated operating rod,auxiliary circuit socket,counter,circuit breaker board,vacuum circuit breaker plastic panel,connection terminal,vacuum Interrupter and so on.These components apply on 630A, 1250A, 2500A, 3150A and 4000A VS1 (ZN85-40.5) circuit breaker and KYN28A-12 and KYN61 high voltage switchgear.


Our Advantages
Strict quality control and excellent after-sales service.
2. Experienced staffs answer all of your question in fluent English.
3. Customized design is available. OME&ODM are welcomed.
4. Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and staffs.

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