| 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
Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, endearingly referred to as the 'circuit breaker.' This remarkable piece of outdoor distribution switchgear is artfully engineered for a rated voltage of 12kV paired with a formidable three-phase AC of 50Hz. The circuit breaker adeptly manages the interruption and reconnection of load current, overload current, and short circuit current within the power grid. It proudly possesses state-of-the-art overload and short circuit protective features, meeting control and measurement needs with unrivaled remote control and monitoring capabilities. Its widespread application extends to substations, industrial facilities, and mining enterprise distribution systems, delivering unmatched control and operational excellence-perfectly suited for high-frequency operational environments.
Structural features:
Exquisitely crafted, the circuit breaker flaunts a three-phase pillar dry design;
Designed with a fully enclosed structure, it provides exceptional sealing, unmatched moisture resistance, and anti-condensation attributes, making it an ideal choice for high-temperature and humid climates;
Incorporates cutting-edge vacuum arc extinguishing technology to ensure superior insulation reliability;
Offers impeccable opening and closing performance, guaranteeing safety with zero risk of combustion or explosion;
Compact and lightweight, this product is maintenance-free and guarantees an impressive lifespan;
Boasts versatility in operation with manual, electric, or remote control options at your disposal;
The operating mechanism is meticulously enclosed at the base of the switch box, effectively providing protection against outdoor environmental corrosion;
Features a novel, straightforward design with a restless mechanism ensuring reliable dynamic performance, a compact form factor, and an astonishing service life reaching 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}