Product description
VS1 series is a kind of indoor high voltage vacuum circuit breaker which is used in the AC three-phase power
system of frequency 50HZ. The rated voltage of VCB can be 12kV, 24kV or 36kV. It has advantages of small size,reliable insulation, and long time free maintenance etc. The operating mechanism can be modular or spring ,VS1 vacuum circuit breakers can either be a fixed installation unit or be a withdrawable unit with a dedicated pushing framework.
Technical Specifications
| No. |
Item |
Unit |
Data |
| 1 |
Rated voltage |
kV |
12 |
| 2 |
Rated Current |
A |
630/1250/2000/2500/3150 |
| 3 |
Rated Frequency |
Hz |
50/60 |
| 4 |
Rated short circuit current |
kA |
20/25/31.5/40 |
| 5 |
Rated short time withstand current(4s) |
kA |
20/25/31.5/40 |
| 6 |
Rated peak withstand current |
kA |
50/63/80/100 |
| 7 |
Rated power frequency withstand voltage |
kV |
42(fracture 48) |
| 8 |
Rated lightning impluse withstand voltage |
kV |
75(fracture 85) |
| 9 |
Rated operating sequence |
|
O-0.3S-C&O-180S-C&O |
| 10 |
Mechanical life endurance |
time |
10000 |
| 11 |
Rated short circuit opening current frequancy |
time |
50 |
| 12 |
Rated voltage of operating mechanism(DC) |
V |
110/220 |
| 13 |
Open contact clerance |
mm |
11+1 |
| 14 |
Super stroke |
mm |
3.5+0.5 |
| 15 |
Time differential among phases |
ms |
≤2 |
| 16 |
Bounce time of closing contacts |
ms |
≤2 |
| 17 |
Average opening speed |
ms |
0.9-1.2 |
| 18 |
Average closing speed |
ms |
0.5-0.8 |
| 19 |
Opening time |
ms |
≤50 |
| 20 |
Closing time |
ms |
≤100 |
| 21 |
Main loop resistance of each phase |
μΩ |
630A≤65; 1250A≤60 |
Environmental Conditions
1. Ambient temperature: not higher than +40 ºC, not less than -15 ºC (at -30 ºC to allow storage and transportation).
2. Altitude: not exceed 1000m.
3. Earthquake intensity: not more than 8 degree.
4. Wind pressure:≤700pa
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration
Company introduction
Zhejiang Volcano Electrical is a professional factory for prodcuing 10-40.5kV electrical equipments for power transmission, including all types of indoor&outdoor vacuum circuit breakers, automatic current recloser, SF6&vacuum load break switch, isolating switch, earthing switch, air&gas insulated switchgear, vacuum interrupters, fuse cutouts and lightning arresters.
The factory is located in Yueqing, the famous town for all types of low and high voltage electrical parts.It occupies square more than 10000m
2, and has developed several international production line. We have made constant efforts to improve product quality and service. To offer best quality with our best service to get a win-win solution is our main principal.
Certification Collection
Our company has get ISO9001, 14001 and 18001 approved. We have passed many type testing for our prodcuts.
Contact
Address: No.211, Weishier Road, Economic Development Zone, Yueqing, Zhejiang, China
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