| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, affectionately referred to as the 'circuit breaker.' This cutting-edge outdoor distribution switchgear is meticulously crafted for performance, operating at a rated voltage of 12kV coupled with a formidable three-phase AC of 50Hz. Masterfully engineered, this circuit breaker excels in both the interruption and reconnection of load current, managing overload current and short circuit current with ease. It offers unparalleled overload and short circuit protection capabilities, meeting all control and measurement needs while epitomizing advanced remote control and monitoring functionalities. This exceptional circuit breaker finds extensive use across substations, industrial arenas, and mining enterprise distribution systems, offering superior control and operational excellence, especially ideal for environments requiring frequent operations.
Structural Features:
Expertly crafted, this circuit breaker features a three-phase pillar dry design, epitomizing precision engineering;
Engineered with an all-encompassing enclosed structure, it boasts superior sealing, unmatched moisture resistance, and exceptional anti-condensation properties, making it an outstanding choice for high-temperature and humid environments;
Utilizes cutting-edge vacuum arc extinguishing technology, providing remarkable insulation reliability and safety;
Achieves exemplary opening and closing performance, guaranteeing safety without the risk of combustion or explosions;
Incredibly compact and lightweight, requiring zero maintenance, and assures an impressive lifespan;
Operational versatility with manual, electric, or remote control options;
The operating mechanism is meticulously sealed at the base of the switch box, ensuring protection against outdoor environmental corrosion, enhancing longevity and reliability;
Presents a novel, streamlined design with a robust mechanism that promises reliable dynamic performance, compactness, 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 |
|||
){kind=link}