| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, an indispensable marvel tailor-made for the modern-day demands of outdoor distribution networks. Revered as the 'circuit breaker,' this state-of-the-art switchgear boasts a 12kV rated voltage and a robust three-phase AC at 50Hz. This versatile circuit breaker excels in orchestrating the interruption and reconnection of load current, overload current, and short circuit current seamlessly within power grids. It is equipped with pioneering overload and short circuit protective capabilities, catering to control and measurement needs with precision, and offers advanced remote control and monitoring functionalities. Its broad application spectrum encompasses substations, industrial sectors, and mining enterprise distribution systems, positioning it as the premier option for settings necessitating frequent operations, guaranteeing unparalleled control and efficiency.
Structural Features:
Meticulously crafted, the circuit breaker is designed with a sophisticated three-phase pillar dry architecture;
Expertly engineered with a fully enclosed structure, it delivers superb sealing, exceptional moisture resistance, and anti-condensation characteristics, perfect for high-temperature and humid environments;
Embodies cutting-edge vacuum arc extinguishing technology, ensuring outstanding insulation reliability;
Guarantees impeccable opening and closing performance, providing safety with zero risk of combustion or explosion;
Compact and lightweight, designed for a maintenance-free experience with an impressive lifespan;
Offers versatile operation with manual, electric, or remote control capabilities;
The operating mechanism is thoughtfully sealed at the switch box's base, safeguarding against outdoor environmental corrosion;
Showcases an innovative, streamlined design with a restless mechanism, ensuring reliable dynamic performance, a compact structure, 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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