| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 outdoor high voltage vacuum circuit breaker, lovingly dubbed the 'circuit breaker.' This premier outdoor distribution switchgear operates at an impressive rated voltage of 12kV with a strong three-phase AC of 50Hz. It is a master of its craft, expertly managing the interruption and connection of load current, overload current, and the formidable short circuit current within the power grid. With cutting-edge overload and short circuit protective capabilities, it effortlessly meets control and measurement demands while offering advanced remote control and monitoring functions. Its widespread usage is evident in substations, industrial arenas, and mining enterprise distribution systems. It delivers unmatched control and operation, especially in environments where frequent operations are a norm.
Structural features:
Meticulously engineered, the circuit breaker features a three-phase pillar dry design crafted with utmost precision.
Designed with a fully enclosed structure, it provides exceptional sealing, unmatched moisture resistance, and anti-condensation properties, making it the ideal choice for high-temperature and humid areas.
Utilizes cutting-edge vacuum arc extinguishing technology, offering remarkable insulation reliability.
Guarantees perfect opening and closing performance, ensuring safety with zero risk of combustion or explosion.
Compact and lightweight, requiring absolutely no maintenance, while promising an impressive lifespan.
Boasts versatility in operation, offering manual, electric, or remote control options to suit diverse needs.
The operating mechanism is ingeniously sealed at the base of the switch box, providing effective protection against outdoor environmental corrosion.
Features an innovative, minimalist design with a restless mechanism that ensures reliable dynamic performance, a compact form factor, and a remarkable service life 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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