Product Specifications
| Prod Model: |
vs1 |
| Markets: |
Eastern Europe,Southeast Asia,Africa,Mid East |
| Price: |
FOB Price |
| MOQ: |
1 Set |
| Package: |
Wooden Case or as Your Request |
| Type: |
Vacuum Circuit Breaker |
Product Description
Company profile
China· ZheJiang ChangKai Electrical Co., Ltd was locate d at coastal zone of south of Zhejiang province, that is, Beautiful Yandan mountain of scenery YueQing known as China Electric Municipality. It possesses one hundred and eighty employees in total, thirty percent of which is various of professional technician. The company has completely pass ED the ISO9001 Quality System certification and obtain ED the production license, CCC Authentication, testing certification. Right of self-supporting importing and exporting.
Description of VCBI -12
VCBI series high-voltage vacuum circuit breaker is a kind of indoor high-voltage switch equipment with 50/60Hz three-phase alternating current and 12kV rated voltage, which combined the technique of the Corporation in Switzerland and domestic development state and manufacturing capability. The general framework is composed by the body and operation system.
The composite insulated material insures no pollution and explosion danger with high insulation level.
|
Item |
Unit |
Data |
|
Rated voltage |
kV |
12 |
|
Rated frequency |
Hz |
50 / 60 |
|
Rated lightning impact withstand voltage (peak) |
kV |
75 |
|
Rated short-time power frequency withstand voltage (1min) |
kV |
42 |
|
Rated short-circuit breaking current |
kA |
20 |
25 |
31.5 |
40 |
50 |
Rated current
|
A
|
630
1250 |
630
1250
1600 |
1250
1600
2000
2500
3150 |
1600
2000
2500
3150
4000 |
4000
5000 |
|
Rated short-time withstand current (Virtual value) |
kA |
20 |
25 |
31.5 |
40 |
50 |
|
Rated peak withstand current (peak) |
kA |
50 |
63 |
80 |
100 |
125 |
|
Rated short-circuit making current (peak) |
kA |
50 |
63 |
80 |
100 |
125 |
|
Rated operating sequence |
|
O-0.3s-CO-180s-CO |
O-180s-CO-180s-CO |
|
Making and breaking times of short-circuit current |
times |
50 |
30 |
12 |
|
Duration of rated short-circuit current |
s |
4 |
|
Mechanical life |
times |
20000 |
|
Power frequency withstand voltage of secondary circuit |
V |
2000 |
|
Rated breaking current of single capacitor bank |
A |
630 |
|
Rated breaking current of back to back |
A |
400 |
|
Rated making surge current of capacitor bank |
kA |
20 (frequency:4250Hz) |
|
Contact clearance |
mm |
11 ± 1 |
|
Contact travel |
mm |
3.5 ± 0.5 |
|
Bounce time of contact closing |
ms |
≤2 |
|
Different period of three-phase at closing and Tripping |
ms |
≤2 |
|
Average closing speed |
m/s |
0.9~1.2 |
|
Average opening speed |
m/s |
0.5~0.8 |
|
Opening time (Rated operating voltage) |
ms |
20~50 |
|
Closing time (Rated operating voltage) |
ms |
35~70 |
|
Rated opening / closing operating voltage |
V |
AC110 / AC220 / DC110 / DC220 |
|
Rated voltage of energy storage motor |
V |
AC110 / AC220 / DC110 / DC220 |
|
Rated power of motor |
W |
70 |
100 |
|
Energy storage time |
s |
≤ 15 |
|
Rebound amplitude of contact opening |
mm |
≤ 3 |
|
Main conductive circuit resistance |
μΩ |
≤ 50(630A), ≤ 45(1250A),
≤ 35(1600A~2000A), ≤ 25 (2000A More) |
|
Rated operation pressure of Contact |
N |
2000 ± 200(20kA), 2400 ± 200(25kA),
3100 ± 200(31.5kA),5000 ± 300(40kA)
6700 ± 300(50kA) |
Structural drawing of VCBI -12
|
1. Circuit breaker |
4. Handcart |
|
2. Contact arm |
5. Operating Mechanism |
|
3. Contact plum blossom |
6. Secondary plug
|
China· ZheJiang ChangKai Electrical Co., Ltd was locate d at coastal zone of south of Zhejiang province, that is, Beautiful Yandan mountain of scenery YueQing known as China Electric Municipality. It possesses one hundred and eighty employees in total, thirty percent of which is various of professional technician. The company has completely pass ED the ISO9001 Quality System certification and obtain ED the production license, CCC Authentication, testing certification. Right of self-supporting importing and exporting.
The company conducts management principle that the Strong's collab o ration with the strong \ utilizing internal resource and absorbing external advantage to greatest degree and establishes long-period collaboration and partner relationship with Xi'an high-voltage research institution \ PingGao electric and ZheJiang University, which provides technical support for new product's exploration and market enlargement. Additionally, with the advanced testing equipments, consummate after -sell service, it has been awarded as advanced departm e nt and excellent enterprise by government for many years.
The company will insist on the management idea of "Creative sprit, unceasing struggle, seek for outstand, regard talents", redound upon the clients with good products and considerate service
