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Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy

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Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy Detail:

VS1-12 vacuum circuit breaker

is a type of high voltage switch which appropriate to 12kv, 50Hz three phase alternating current system, applicable for protecting and controlling, especially appropriate to frequent operation and short circuit places. This type is mainly used in fixed or drawble type switchgear .

Advantages

  • Simple structure
  • Adapt ultra low resistance type vacuum interrupter
  • Adapt optimization and modular spring operating mechanism
  • Suitable for occasions with frequent operation
  • Free maintenance and long service life
  • High reliable performance

Ambient condition

1 Ambient temperature: max +40°C min -15°C(conveyance under -30°C is allowed)

2 Altitude: ≤1000m

3 Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2*10-3 MPa; monthly average value   ≤1.8*10-3 MPa

4 Earthquake intensity: ≤8 degree

5 The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution

 

Main Technical Parameters

Item

Description

Unit

Data

1

Rated voltage

KV

12

 

Rated frequency

Hz

50/60

3

Rated current

A

630  1250  1600  2000 2500  3150

4

Rated short-circuit breaking current

kA

25,31.5,50KA

5

Rated short-circuit making current(peak value)

kA

50,63,80

6

Rated short-time withstand current

kA

20,25,31.5

7

Rated withstand current(peak value)

 

50,63,80

8

Rated insulation level

Lightning impulse withstand voltage

KV

145

1 min power-frequency withstand voltage

64

9

Rated operating sequence

 

OC-0.3s-CO-180S-CO

11

Rated short-circuit duration

s

4

12

Times of breaking with the rated short-circuit current

Times

30

13

Mechanical life

Times

10000

14

Weight

kg

150

VS1

 


Product detail pictures:

Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b -
 VS1-12KV MV Vacuum Circuit Breaker  – Simply Buy detail pictures

Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b -
 VS1-12KV MV Vacuum Circuit Breaker  – Simply Buy detail pictures

Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b -
 VS1-12KV MV Vacuum Circuit Breaker  – Simply Buy detail pictures


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Our advantages are lower prices,dynamic sales team,specialized QC,strong factories,high quality products and services for Manufacturing Companies for Dongfeng Truck Diesel Qsb4.5 4b3.9 6b - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy, The product will supply to all over the world, such as: Malawi , Vancouver , Czech , If any item be of interest to you, please let us know. We will try our best to satisfy your requirements with high quality products, the best prices and prompt delivery. Please feel free to contact us at any time. We will reply you when we receive your inquiries. Please note that samples are available before we start our business.
  • This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Gwendolyn from Jersey - 2016.10.25 15:53
    This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Hilda from Congo - 2016.05.02 18:28
    
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