Factory source Hight Quality Dc Contactor-dc 48v Contactor - 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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"Quality initial, Honesty as base, Sincere support and mutual profit" is our idea, so as to build repeatedly and pursue the excellence for Factory source Hight Quality Dc Contactor-dc 48v Contactor - VS1-12KV MV Vacuum Circuit Breaker – Simply Buy, The product will supply to all over the world, such as: Haiti , Rome , Mauritius , We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
By Anne from Frankfurt - 2015.06.19 10:42
Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
By Betsy from Algeria - 2015.12.28 15:18