| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a pinnacle in modern solutions for outdoor distribution networks. Revered as the 'circuit breaker,' this state-of-the-art switchgear is designed for a 12kV rated voltage and a robust three-phase AC at 50Hz. This exceptional circuit breaker expertly manages the interruption and reconnection of load current, overload current, and short circuit current within power grids. It boasts cutting-edge protective features against overloads and short circuits, effortlessly fulfilling control and measurement requirements while offering advanced remote control and monitoring capabilities. With a wide range of applications across substations, industrial sectors, and mining enterprise distribution systems, it stands as the premier choice for environments demanding frequent operations, guaranteeing unparalleled control and efficiency.
Structural Features:
Meticulously crafted, this circuit breaker showcases a refined, three-phase pillar dry design;
Expertly engineered with a fully enclosed structure, it excels in sealing, moisture resistance, and anti-condensation properties, making it ideal for high-temperature and humid environments;
Incorporates state-of-the-art vacuum arc extinguishing technology, delivering remarkable insulation reliability;
Ensures flawless opening and closing performance, prioritizing safety with zero risk of combustion or explosion;
Designed for compactness and lightness, it requires no maintenance and boasts a significant lifespan;
Offers versatile operation options including manual, electric, or remote control;
The operating mechanism is securely sealed at the base of the switch box, providing effective protection against outdoor environmental corrosion;
Exhibits an innovative and streamlined design with a restless mechanism, ensuring reliable dynamic performance, a compact structure, and a remarkable 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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