| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
Still deciding? Get samples of $ !
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, affectionately known as the 'circuit breaker.' It stands as a pinnacle of outdoor distribution switchgear, expertly crafted to operate at a rated voltage of 12kV with a robust three-phase AC of 50Hz. This adaptable circuit breaker effortlessly manages the interruption and connection of load current, overload current, and short circuit current within the power grid. With its advanced overload and short circuit protective capabilities, it flawlessly meets control and measurement demands, offering sophisticated remote control and monitoring functionalities. Its wide-ranging applicability encompasses substations, industrial environments, and mining enterprise distribution systems, ensuring unmatched control and operation, making it an ideal choice for environments requiring frequent operations.
Structural features:
Meticulously engineered, the circuit breaker boasts a three-phase pillar dry design;
Crafted with a fully enclosed structure, it delivers superior sealing, outstanding moisture resistance, and anti-condensation properties, rendering it the ultimate selection for high-temperature and humid regions;
Incorporates cutting-edge vacuum arc extinguishing technology, providing exceptional insulation reliability;
Ensures perfect opening and closing performance, guaranteeing safety without any risk of combustion or explosion;
Designed to be compact and lightweight, it requires no maintenance and promises an impressive lifespan;
Offers operational versatility with manual, electric, or remote control options available;
The operating mechanism is meticulously sealed at the base of the switch box, providing effective protection against outdoor environmental corrosion;
Presents a novel, simplistic design with a restless mechanism that ensures reliable dynamic performance, a compact form, and an astounding 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 |
|||
){kind=link}