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 |
Product detail pictures:



Related Product Guide:
Sega pushes the Mega Drive Mini global release to 2019 | Lrd12 Overload Relay
Charting the S&P 500’s range-bound, but bullish, (unofficial) summer start | Lrd12 Overload Relay
We offer great strength in quality and development,merchandising,sales and marketing and operation 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: Afghanistan , India , Australia , Based on our automatic production line, steady material purchase channel and quick subcontract systems have been built in mainland China to meet customer's wider and higher requirement in recent years. We are looking forward to cooperating with more clients worldwide for common development and mutual benefit!Your trust and approval are the best reward for our efforts. Keeping honest, innovative and efficient, we sincerely expect that we can be business partners to create our brilliant future!

Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.

-
Manufacturer of 24v Reversing Contactor - 3TY7...
-
Best Price on Thermal Relay - LC2-K Revising C...
-
Best-Selling Led Light Stick Extruder - 3TY256...
-
Factory best selling 3ru1146-4fb0 Overload Rela...
-
2017 Good Quality Electric Hoist Double Sided C...
-
China wholesale China Ac Contactor Coil - ZL95...