| 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, affectionately dubbed the 'circuit breaker,' this outstanding outdoor distribution switchgear is engineered to perfection. Operating at a rated voltage of 12kV with an unwavering three-phase AC of 50Hz, this dynamic circuit breaker masterfully manages the interruption and reconnection of load currents, overload currents, and short circuit currents within the power grid. It is adorned with state-of-the-art overload and short circuit protective features, meeting all control and measurement criteria while offering cutting-edge remote monitoring and control capabilities. Its extensive applicability across substations, industrial arenas, and mining enterprise distribution systems ensures superior management and operation—especially suitable for environments demanding frequent operations.
Structural features:
Designed with impeccable precision, the circuit breaker exhibits a three-phase pillar dry configuration;
Crafted with a fully enclosed structure, it ensures exceptional sealing, remarkable moisture resistance, and anti-condensation properties, making it an optimal choice for regions characterized by high temperatures and humidity;
Incorporates cutting-edge vacuum arc extinguishing technology, delivering exceptional insulation reliability;
Provides impeccable opening and closing performance, guaranteeing safety with no risk of combustion or explosion;
With its compact and lightweight design, it requires no maintenance and promises an extraordinary lifespan;
Offers unmatched operational flexibility with manual, electric, or remote control options;
The operating mechanism is expertly sealed at the switch box's base, effectively shielding it from outdoor environmental corrosion;
Features an innovative, minimalist design with a restless mechanism that ensures dependable dynamic performance, a compact structure, and an astounding 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}