| 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 outstanding device stands as a pinnacle of outdoor distribution switchgear. Capable of operating at a rated voltage of 12kV, it manages a formidable three-phase AC of 50Hz with unparalleled expertise. This dynamic circuit breaker excels in seamlessly interrupting and connecting load currents, overload currents, and short circuit currents within the power grid. It is equipped with state-of-the-art overload and short circuit protective features, effortlessly meeting control and measurement criteria while offering advanced remote control and monitoring capabilities. With its widespread application in substations, industrial sectors, and mining enterprise distribution systems, it provides unsurpassed control and operation, making it ideally suited for settings with frequent operational demands.
Structural features:
Meticulously crafted, the circuit breaker exhibits a sophisticated three-phase pillar dry design;
Featuring a fully enclosed structure, it assures superior sealing, exceptional moisture resistance, and anti-condensation capabilities, positioning it as the ideal choice for high-temperature and humid environments;
Incorporates advanced vacuum arc extinguishing technology, ensuring outstanding insulation reliability and performance;
Guarantees impeccable opening and closing performance, ensuring safety with zero risk of combustion or explosion;
Designed to be compact and lightweight, requiring no maintenance, this product promises an exceptionally long lifespan;
Offers versatile operational modes—manual, electric, or remote control, tailored to your needs;
The operating mechanism is thoughtfully sealed at the base of the switch box, offering robust protection against outdoor environmental corrosion;
Showcasing a novel and simplistic design, it features a restless mechanism that guarantees reliable dynamic performance, a 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}