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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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Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Circuit Breaker 80a , 3tf Seires Contactor 3tf49 , 220v Contactor Relay , For high quality gas welding & cutting equipment supplied on time and at the right price, you can count on company name.
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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The corporate keeps towards the operation concept "scientific administration, superior quality and performance primacy, client supreme 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: Philadelphia , Czech Republic , Canada , Based on experienced engineers, all orders for drawing-based or sample-based processing are welcomed. We have won a good reputation for outstanding customer service among our overseas customers. We will continue to try the best to offer you good quality products and the best service. We are looking forward to serving you.
  • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Sandy from Dubai - 2016.12.02 14:11
    It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By Sharon from Qatar - 2015.11.28 16:25
    
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