| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
Still deciding? Get samples of US$ 800/Piece
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Discover the groundbreaking ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, the pinnacle of modern technology for today’s outdoor distribution networks. Referred to as the 'circuit breaker,' this sophisticated switchgear operates at a robust 12kV rated voltage with a robust three-phase AC at 50Hz. This versatile circuit breaker excels in interrupting and reconnecting load currents, overload currents, and short circuit currents within power grids. It showcases advanced overload and short circuit protection, perfectly addressing control and measurement requirements while providing state-of-the-art remote control and monitoring functionalities. Its broad application spectrum encompasses substations, industrial sectors, and mining distribution systems, making it the premier choice for environments demanding frequent operations, ensuring unparalleled control and efficiency.
Structural Features:
Expertly crafted, the circuit breaker boasts a refined three-phase pillar dry design;
Ingeniously designed with a fully enclosed structure, it offers superior sealing, outstanding moisture resistance, and anti-condensation features, perfect for high-temperature and humid conditions;
Employs cutting-edge vacuum arc extinguishing technology, delivering superior insulation reliability;
Guarantees flawless opening and closing performance, ensuring safety with zero combustion or explosion risks;
Compact and lightweight design, requiring no maintenance with an impressive, long-lasting service life;
Offers flexible operation options, including manual, electric, or remote control;
The operating mechanism is securely sealed at the base of the switch box, providing robust protection against the corrosive outdoor environment;
Showcases an innovative, streamlined design featuring a restless mechanism, ensuring dependable dynamic performance, a compact structure, and a remarkable 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 |
|||
){kind=link}