| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 outdoor high voltage vacuum circuit breaker, a revolutionary outdoor distribution switchgear cherished as the 'circuit breaker.' This outstanding component is engineered to perform at a rated voltage of 12kV, with a robust three-phase AC of 50Hz. It's your go-to solution for effortlessly managing the interruption and connection of load current, overload current, and short circuit current within any power grid. Equipped with cutting-edge overload and short circuit protective features, this circuit breaker excels in seamlessly fulfilling control and measurement needs, while also offering enhanced remote control and monitoring capabilities. Its widespread utility is evident in substations, industrial environments, and mining enterprise distribution systems. It's the definitive choice for unparalleled control and operation, especially suited for environments requiring frequent operations.
Structural features:
Meticulously crafted, the circuit breaker boasts a three-phase pillar dry design;
Expertly engineered with a fully enclosed structure, it provides superior sealing, exceptional moisture resistance, and anti-condensation capabilities, making it the ideal solution for high-temperature and humid regions;
Utilizes cutting-edge vacuum arc extinguishing technology, ensuring outstanding insulation reliability;
Ensures impeccable opening and closing performance, prioritizing safety with zero risk of combustion or explosion;
Compact and lightweight, it requires no maintenance and guarantees an impressive lifespan;
Offers operational versatility with manual, electric, or remote control options;
The operating mechanism is intricately sealed at the base of the switch box, providing robust protection against outdoor environmental corrosion;
Features a novel, simplistic design with a restless mechanism, ensuring reliable dynamic performance, compact form, and an extraordinary 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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