| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 (G) series, an exceptional outdoor high voltage vacuum circuit breaker, affectionately termed the 'circuit breaker.' This cutting-edge outdoor distribution switchgear is engineered to perfection with a rated voltage of 12 kV and tailored for three-phase AC 50 Hz. This powerhouse solution excels at managing load current, overload current, and short circuit current across power lines. Revel in its remarkable overload and short circuit protection, meticulously aligned with esteemed control and measurement standards. The circuit breaker offers not only advanced remote control and monitoring capabilities but also stands as the preferred choice for substations, industrial, and mining enterprise distribution systems. Perfectly suited for high-demand environments requiring frequent operation, this circuit breaker is the epitome of control and operational mastery.
Structural features:
This product boasts a sturdy three-phase pillar dry structure, meticulously crafted for peak performance.
Its impeccably sealed design optimizes sealing, moisture-proofing, and condensation prevention, ensuring superior performance in high temperature and humid regions.
Harnessing vacuum arc extinguishing technology ensures robust insulation, significantly elevating operational safety.
Enjoy dependable opening and closing performance with zero risk of combustion or explosion, delivering ultimate peace of mind.
This compact, lightweight marvel requires no maintenance, promises an extended service life, and maximizes value and efficiency seamlessly.
Discover unmatched versatility with operation options in manual, electric, or remote modes, ensuring supreme user convenience.
The operating mechanism, cleverly sealed at the switch box's base, is engineered to withstand corrosion from prolonged outdoor exposure.
Its novel, straightforward yet reliable design boasts extraordinary dynamic performance, compact size, and a service life reaching an impressive 10,000 cycles.
|
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 |
|||
|
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 |
|||
|
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 |
|||
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