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.
Application:
ZW8-12 outdoor high voltage vacuum circuit breaker is rated voltage 12KV, three-phase AC 50Hz outdoor high voltage switchgear is mainly used to breaking Closing Rural power network, city network and small power system load current, overload current, short-circuit current. The product of the overall structure is box-type three-phase, three-phase vacuum interrupter placed in metal boxes, using SMC insulation material and inter-phase insulation and ground insulation, reliable performance, high dielectric strength. Vacuum circuit breaker
1. Rated voltage: 12KV
2. Rated current: 630A
3.6.3KA, 12.5KA, 20KA
4. ZW8-12 Vacuum Circuit Breaker
|
Sequence number |
Item |
Unit |
Data |
|
6.3KA |
12.5KA |
20KA |
|
1 |
Rated voltage |
KV |
12 |
|
2 |
Rated current |
A |
630 |
|
3 |
Rated short-circuit break and close current |
KA |
6.3 |
12.5 |
20 |
|
4 |
Rated short-circuit close current(peak & #118alue) |
KA |
16 |
31.5 |
50 |
|
5 |
Rated peak & #118alue withstand current |
KA |
16 |
31.5 |
50 |
|
6 |
Rated little 1min withstand current |
KA |
6.3 |
12.5 |
20 |
|
7 |
Rated insulation 1evel |
Industrial frequency withstand voltage(dry) |
KV |
|
42 |
|
|
Thunder impulse withstand voltage(peak & #118alue) |
|
75 |
|
|
8 |
Tated operation the order |
|
Off-0.3S-on and off-180S-on and off |
|
9 |
Mechanical life-span |
times |
10000 |
|
10 |
Rated short-circuit current break and close time |
times |
30 |
|
11 |
Speak and move organization amount assign the current of the floodgate |
V |
110 , 220 |
|
12 |
Speak and move organization amount assign the current of the floodgate |
V |
110 , 220 |
|
13 |
Switching distance of the contact |
mm |
11±1 |
|
14 |
Uitra journey(touches the head spring and compress length) |
mm |
|
|
15 |
three-phase breaking into , shut folldgate sex of the same period |
ms |
≤2 |
|
16 |
Touch the head and shut a floodgate of time of bouncing |
ms |
≤2 |
|
17 |
Average speed of breaking brake |
m/s |
1.0±0.2 |
|
18 |
Average speed of closing brake |
m/s |
0.7±0.15 |
|
19 |
Time of breaking brake |
Operate it under the voltage highest |
s |
0.015-0.05 |
|
Operate it under the voltage the mostlow |
0.03-0.06 |
|
20 |
Time of closing brake |
s |
0.025-0.05 |
|
21 |
Each the resistance of main reture circuit |
μΩ |
≤120 |
|
22 |
Allowance abrasion cumulated thickness of the moving and stationary contact |
mm |
3 |
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
