| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Discover the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, the pinnacle of innovation for modern outdoor distribution networks. Affectionately termed the 'circuit breaker,' this sophisticated switchgear is tailored for a 12kV rated voltage and robust three-phase AC at 50Hz. A master of versatility, this circuit breaker excels in interrupting and reconnecting load currents, managing overload currents, and addressing short circuit currents in power grids. Boasting unrivaled overload and short circuit protection, it effortlessly caters to control and measurement demands while providing advanced remote control and monitoring capabilities. Its diverse application potential spans substations, industrial settings, and mining distribution systems, making it the premier choice for environments with frequent operational demands, ensuring superior control and efficiency.
Structural Features:
The circuit breaker is meticulously designed with a sophisticated three-phase pillar dry architecture.
Skillfully engineered with a fully sealed structure, it delivers remarkable sealing, superior moisture resistance, and anti-condensation features, perfect for high-temperature and humid conditions.
Incorporates cutting-edge vacuum arc extinguishing technology, ensuring outstanding insulation reliability.
Guarantees flawless opening and closing performance, safeguarding against combustion or explosion risks.
Crafted to be compact and lightweight, it offers a maintenance-free experience with a remarkable lifespan.
Equipped with versatile operation options, including manual, electric, or remote control.
The operating mechanism is securely sealed at the switch box's base, providing robust protection against environmental corrosion.
Highlights an innovative and streamlined design featuring a restless mechanism, ensuring dependable 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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