| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Discover the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a masterpiece of engineering tailored for modern outdoor distribution networks. Lovingly referred to as the 'circuit breaker,' this state-of-the-art switchgear is designed for a robust 12kV rated voltage and a resilient three-phase AC operating at 50Hz. This innovative circuit breaker excels in managing the interruption and reconnection of load current, overload current, and short circuit current within power grids. It boasts cutting-edge protective capabilities against overloads and short circuits, effortlessly meeting control and measurement demands while offering advanced remote control and monitoring functionalities. Its versatile application spectrum spans substations, industrial sectors, and mining enterprise distribution systems, making it the unparalleled choice for environments demanding frequent operations, ensuring unmatched control, reliability, and efficiency.
Structural Features:
Flawlessly designed, the circuit breaker boasts a sophisticated three-phase pillar dry design;
Precisely constructed with a fully enclosed structure, it offers superior sealing, unparalleled moisture resistance, and anti-condensation properties, perfectly suited for high-temperature and humid conditions;
Incorporates cutting-edge vacuum arc extinguishing technology, providing extraordinary insulation reliability;
Guarantees exceptional opening and closing performance, ensuring safety without any risk of combustion or explosion;
Crafted to be compact and lightweight, it requires zero maintenance and boasts an impressive lifespan;
Delivers versatile operation with options for manual, electric, or remote control;
The operating mechanism is thoughtfully sealed at the base of the switch box, effectively shielding against environmental corrosion outdoors;
Presents a groundbreaking and streamlined design featuring a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an extraordinary 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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