- Contact Person : Mr. Gene Pan
- Company Name : Zhejiang Changkai Electrical Co., Ltd.
- Tel : 86-0577-61730881
- Fax : 86-0577-61730882
- Address : Zhejiang,Yueqing,Dongfang Road East section Wengyang Industry Zone Yueqing
- Country/Region : China
- Zip : 325606
ZW8-12 HIGH VOLTAGE Vacuum Circuit Breaker
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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
Specification:
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 value) | KA | 16 | 31.5 | 50 | ||||
5 | Rated peak value 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 value) |
| 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 | ||||||
Dimension and mounting:
Features:a. The breaker is adopted the vacuum in terruption and has strong ability of closing and long life time. This mechanical life reaches 10000 times.b. The structure is simple and maintenance-free. It also has long period of no-overhaulingc. It has the characters of good insolating ability and strong stain removal ability.d. Spring and magnetic control mechanism can be configured. Mechanical energy is reliable and can be used frequently. There is no hidden trouble of fire and bombing.e. Inside, mutual inductor of which measuring accuracy reaches 0.2 is installed. It can realize the protection of triphase differential.f. There is controller inside, which can protect the breaker operating under the condition of certain temperature and humidity.Product display:
ZW8-12 HIGH VOLTAGE Vacuum Circuit Breaker
