ZW8-12 Series High-voltage Vacuum Circuit Breaker
ApplicationZW8-12 series high-voltage vacuum circuit breaker is a kind of outdoor high-voltage switch equipment with 50Hz three-phase alternating current 12 kV rated voltage. It mainly apply to break and close the load current, overload and short-circuit in country power net, city power net and mini-type power system.
Technical Parameter
| No. |
Item |
Unit |
Data |
| 6.3 kA |
12.5kA |
20kA |
| 1 |
Rated voltage |
kV |
12 |
| 2 |
Maximum |
kV |
12 |
| 3 |
Rated current |
A |
630 |
| 4 |
Rated short circuit load dropout current |
kA |
6.3 |
12.5 |
20 |
| 5 |
Rated short-circuit making current |
kA |
16 |
31.5 |
50 |
| 6 |
Rated peak withstand current |
kA |
16 |
31.5 |
50 |
| 7 |
Rated short time 1 min tolerance current |
kA |
6.3 |
12.5 |
20 |
| 8 |
Rated insulation level |
High-voltage test with working frequency |
kV |
42 |
| Lightning shock pressure |
75 |
| 9 |
Rated operating sequence |
|
Prat-0.3S- Joints-180S-Joint points |
| 10 |
Institution life |
time |
10000 |
| 11 |
Rated short open circuit current switch frequency |
time |
30 |
| 12 |
Operating mechanism rated switching voltage |
V |
110,220 |
| 13 |
Operating mechanism rated points brake current |
V |
110,220 |
| 14 |
Contact clearance |
mm |
11±1 |
| 15 |
Super stroke(contact spring compression length) |
mm |
3 |
| 16 |
Three phase points, closing not synchronism |
ms |
≤2 |
| 17 |
Contact switching bounce time |
ms |
≤2 |
| 18 |
Average opening speed |
m/s |
1.0±0.2 |
| 19 |
Average closing speed |
m/s |
0.7±0.15 |
| 20 |
Opening time |
The highest operating voltage |
s |
0.015-0.05 |
| The minimum operating voltage |
0.03-0.06 |
| 21 |
Closing time |
s |
0.025-0.05 |
| 22 |
Each phase main loop resistance |
μΩ |
≤120(≤200) |
| 23 |
Action contact allowed to wear accumulative thickness |
mm |
3 |
Company Introduction
Taili Brands, founded in 1992, Headquarters is located in China Electric Capital Yueqing City, Zhejiang Province, is an non-regional large power product development, and manufacturing enterprises, a total area of 30,000 square meters, more than 500employees, including its head office in Zhejiang Taili Electric Co., Ltd, Shanghai Taili Transformer Co., Ltd. Xian Erbian Transformer Co., Ltd. Taili Electric High pressure company. Wenzhou Tali import and export Co., Ltd.
The company has advanced production line equipment and superb manufacturing technology, professional technical back-bone, professional production of 10kV, 35kV, 110kV, 220kV class oil-immersed power transformers, 10kV, 35kV insulation level of cast resin dry-type transformers, H class insulation environmentally friendly dry-type transformers, oil-immersed amorphous alloy transformer, amorphous alloy resin insulation dry-type transformers, 6kV, 10kV level mine mobile substation, mining and oil-immersed three-phase transformers, vacuum circuit breakers and other high voltage transmission and distribution electrical products. Prefabricated substations, modular substation, wind power substation, low voltage switch cabinet and power transmission and distribution equipment, products widely used in electric power, railways, mining, shipping, and other fields.
Taili force people in a "people for the support, with the benefits of technology by the tree brand development" business principles, adhere to the" quality first, customer first, to meet user demand" for the purpose, and actively explore the domestic market, sales the country and exported to many countries and regions in Southeast Asia, the Middle East, and Africa.
FAQ
1.Q: Are you manufacturer?
A: Yes, we are manufacturer. Our factory is in Wenzhou China
2.Q: Can I get guarantee of products?
A: Yes, every product is 1 year quality warrantee under customer correct using the products.
3.Q: Do you have any Certificate?
A: Yes. Each of our unit has CCC, ISO9001 certificate. All the electric parts with CE certificate, If you need any other Certificate, we can help you to get it.
.4.Q: How to buy it? What about the delivery?
A: Please contact me by email or online, let me know your situation, I will give you professional solution.We have shipping agent can choosing the cheapest and fastest delivery. FOB,CIF, C&F or EXW are no problem for us.
5.Q: How can I pay you?
A: T/T, L/C is very well used.
6.Q: What about the production?
A: Produce time is 4~6weeks.
7.Q: Could you offer some spare parts?
A: Yes, no problem.
8.Q: What about the maintenance?
A: All the goods past the test, maintenance is very easy.
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