| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Meet the ZW32-12, our remarkable outdoor high voltage vacuum circuit breaker. This 'circuit breaker' stands as a testament to excellence in outdoor distribution switchgear, effortlessly operating at a rated voltage of 12kV and a vigorous three-phase AC of 50Hz. Its prowess in managing the interruption and reconnection of load current, overload current, and short circuit current within the power grid is nothing short of extraordinary. It offers cutting-edge protective measures against overloads and short circuits, while expertly meeting control and measurement criteria. Experience the pinnacle of remote control and monitoring sophistication. Widely embraced across substations, industrial landscapes, and mining distribution systems, it offers unmatched control and operation—ideal for dynamic settings.
Structural features:
Designed with meticulous precision, this circuit breaker features a three-phase pillar dry design;
Innovatively engineered with a fully enclosed structure, it provides superior sealing, exceptional moisture resistance, and anti-condensation attributes, making it the optimum choice for high-temperature and humid environments;
Incorporating advanced vacuum arc extinguishing technology, it ensures outstanding insulation reliability;
Offers impeccable opening and closing performance, guaranteeing safety without any risk of combustion or explosion;
Compact, lightweight, devoid of maintenance requirements, and promises an astonishingly long service life;
Flexible operation with manual, electric, or remote control options at your disposal;
The operating mechanism is expertly sealed at the base of the switch box, safeguarding it from the harsh outdoor elements;
Proudly presenting a novel and simplistic design, it features a resilient mechanism that assures dependable dynamic performance, a compact form, and an astounding lifespan of up to 10,000 cycles.
Main technical parameters:
|
No |
Name |
Unit |
Data |
|||
|
1 |
Rated voltage |
kV |
12 |
|||
|
2 |
Rated current |
A |
630 |
1250 |
||
|
3 |
Rated frequency |
Hz |
50 |
|||
|
4 |
Rated insulation level |
1min power frequency withstand voltage |
Dry test |
/ |
42/48(fracture) |
|
|
Wet test |
34 |
|||||
|
Secondary circuit to ground |
2 |
|||||
|
Lightning impulse withstand voltage (peak value) |
75/85(fracture) |
|||||
|
5 |
Rated short circuit making current (peak value) |
kA |
50 |
63 |
||
|
6 |
Rated short time withstand current |
kA |
20 |
25 |
||
|
7 |
Rated peak withstand current |
kA |
50 |
63 |
||
|
8 |
Breaking times of rated short circuit breaking current |
Times |
30 |
|||
|
9 |
Rated short circuit duration |
s |
4 |
|||
|
10 |
Rated operating voltage and rated voltage of auxiliary circuit |
V |
DC220,AC220 ,AC/DC220 |
|||
|
11 |
Rated operation sequence |
/ |
Off-0.3s-on-off-180s-on-off |
|||
|
12 |
Rated current of over current trip |
A |
5 |
|||
|
13 |
Mechanical life |
second |
10000 |
|||
|
14 |
Allowable wear accumulative thickness of moving and static contacts |
mm |
3 |
|||
|
15 |
Rated current of over current release |
A |
5 |
|||
|
16 |
Current ratio of current transformer |
/ |
200/5 400/5 600/5 |
|||
|
17 |
Contact opening distance |
mm |
9±1 |
|||
|
18 |
Contact overtravel |
mm |
2±0.5 |
|||
|
19 |
Average opening speed |
m/s |
1.2±0.3 |
|||
|
20 |
Average closing speed |
m/s |
0.6±0.2 |
|||
|
21 |
Opening time |
ms |
≤40 |
|||
|
22 |
Closing time |
ms |
20~45 |
|||
|
23 |
Closing bounce time |
ms |
≤2 |
|||
|
24 |
Asynchrony of three phase closing and opening |
mm |
≤2 |
|||
|
25 |
Three phase circuit resistance |
μΩ |
≤80 Band isolation≤120 |
|||
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