| 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, fondly referred to as the 'circuit breaker.' This cutting-edge outdoor distribution switchgear is engineered for operation at an impressive 12kV rated voltage and features a resilient three-phase AC of 50Hz. This multifunctional circuit breaker adeptly manages the interruption and reconnection of load current, overload currents, and short circuit currents across the power grid. With its advanced protective capabilities against overloads and short circuits, it impeccably meets control and measurement requirements, while offering sophisticated remote control and monitoring capabilities. Its widespread use extends to substations, industrial landscapes, and mining enterprise distribution systems, delivering unmatched control and operation—perfectly suited for environments demanding frequent operations.
Structural Highlights:
Crafted with the utmost precision, the circuit breaker features a three-phase pillar dry design;
Designed with a fully enclosed structure, it provides exceptional sealing, superior moisture resistance, and outstanding anti-condensation properties, rendering it an ideal choice for high-temperature and humid regions;
Incorporates cutting-edge vacuum arc extinguishing technology to ensure remarkable insulation reliability;
Offers impeccable opening and closing performance, guaranteeing safety without any risk of combustion or explosion;
Compact and lightweight, it requires no maintenance and ensures an impressive lifespan;
Flexibility in operation is assured with manual, electric, or remote control options;
The operating mechanism is expertly sealed at the base of the switch box, providing effective protection against outdoor environmental corrosion;
Presents an innovative, simplistic design featuring a restless mechanism that guarantees reliable dynamic performance, a compact form, and an extraordinary service life of up to 10,000 cycles.
Key Technical Specifications:
|
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}