Factory Outlets Phase Reversal Relay - 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 |
Product detail pictures:



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Our rewards are lower costs,dynamic profits team,specialised QC,potent factories,high-quality services for Factory Outlets Phase Reversal Relay - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy, The product will supply to all over the world, such as: Boston , Sri Lanka , Mecca , We taking advantage of experience workmanship, scientific administration and advanced equipment, ensure the product quality of production, we not only win the customers' faith, but also build up our brand. Today, our team is committed to innovation, and enlightenment and fusion with constant practice and outstanding wisdom and philosophy, we cater to the market demand for high-end goods, to do experienced products and solutions.

Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.

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