| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a masterpiece of engineering often referred to as the 'circuit breaker.' This outdoor distribution marvel excels at a rated voltage of 12kV with a formidable three-phase AC of 50Hz. Masterfully designed, this circuit breaker offers the seamless interruption and connection of load current, overload current, and even short circuit current within the power grid. Its advanced protective capabilities against overloads and short circuits are paired with precise control and measurement functionalities, all while offering cutting-edge remote control and monitoring features. With its deployment spanning across substations, industrial facilities, and mining enterprises, this product ensures unrivaled control and operation, especially in environments demanding frequent activity.
Structural Features:
Meticulously crafted, the circuit breaker flaunts a three-phase pillar dry design, showcasing unmatched precision engineering;
Designed with a fully enclosed structure, it excels in sealing efficacy, outstanding moisture resistance, and anti-condensation features, making it the optimal choice for hot and humid climates.
Incorporates cutting-edge vacuum arc extinguishing technology, providing superior insulation reliability for peace of mind;
Achieves impeccable opening and closing performance, ensuring unparalleled safety with no combustion or explosion risks;
Boasting a compact, lightweight build, it demands no maintenance and promises a remarkable lifespan;
Offers operational versatility with manual, electric, or remote control options to suit varied needs;
The operating mechanism is securely sealed at the base of the switch box, offering exceptional protection against outdoor environmental corrosion;
Features an innovative, minimalist design with a dynamic and reliable mechanism, ensuring compactness and boasting an astonishing service life extending 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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