| 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 coined the 'circuit breaker.' This outstanding outdoor distribution switchgear operates seamlessly at a rated voltage of 12kV with a powerful three-phase AC of 50Hz. Versatile and adaptable, this circuit breaker expertly manages the interruption and connection of load current, overload current, and short circuit current within the power grid. Boasting advanced overload and short circuit protective capabilities, it flawlessly meets control and measurement standards while offering sophisticated remote control and monitoring functionalities. Its extensive application spans substations, industrial settings, and mining enterprise distribution systems, providing unrivaled control and operation-perfect for environments with frequent operations.
Structural features:
Elegantly crafted with precision, the circuit breaker features a robust three-phase pillar dry design;
Ingeniously engineered with a fully enclosed structure, it provides superior sealing, remarkable moisture resistance, and excellent anti-condensation properties, making it the ultimate choice for high-temperature and humid regions;
Utilizes cutting-edge vacuum arc extinguishing technology for exceptional insulation reliability;
Ensures flawless opening and closing performance, providing safety with absolutely no risk of combustion or explosion;
Remarkably compact, lightweight, and maintenance-free, promising an outstanding lifespan;
Flexibility in operation with manual, electric, or remote control options available;
The operating mechanism is meticulously sealed at the base of the switch box, offering robust protection against outdoor environmental corrosion;
Exhibits a novel, simplistic design with a resilient mechanism ensuring reliable dynamic performance, compact form, 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 |
|||
){kind=link}