| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
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Introducing the ZW32-12 (G) series, a cutting-edge outdoor high voltage vacuum circuit breaker, also referred to as the "circuit breaker." This remarkable piece of outdoor distribution switchgear is crafted to perfection with a rated voltage of 12 kV, seamlessly operating within a three-phase AC 50 Hz framework. As your ultimate solution for managing load current, overload current, and short circuit current on power lines, it stands as a beacon of reliability. The circuit breaker provides extraordinary overload and short circuit protection, perfectly complementing control and measurement standards. Its exceptional remote control and monitoring capabilities make it a top choice for substations and distribution systems in industrial and mining enterprises. Tailored for environments that demand frequent operation, this circuit breaker transcends the ordinary, setting new benchmarks in control and operational excellence.
Structural features:
Engineered with a robust three-phase pillar dry structure, this product promises optimal performance and functionality.
Its fully enclosed design excels in sealing, moisture-proofing, and condensation prevention, making it an ideal choice for high temperature and humid regions.
By employing vacuum arc extinguishing technology, it ensures superior insulation, significantly enhancing operational safety.
Delivering reliable opening and closing performance without any risk of combustion or explosion, it brings absolute peace of mind to its users.
With its compact, lightweight, and maintenance-free nature, this product guarantees a long service life, optimizing value and efficiency throughout its use.
Enjoy a variety of operation options - manual, electric, or remote - offering unparalleled user convenience and flexibility.
The operating mechanism is securely sealed at the bottom of the switch box, expertly designed to withstand corrosion from prolonged outdoor exposure.
Featuring a novel yet straightforward design, the restless mechanism boasts exceptional dynamic performance and a compact size, with an astounding service life reaching up to 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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