| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 outdoor high voltage vacuum circuit breaker, your go-to 'circuit breaker' for unmatched performance in outdoor distribution systems. Engineered to perfection, it operates at a rated voltage of 12kV with a formidable three-phase AC of 50Hz. This exceptional circuit breaker expertly manages the interruption and connection of load current, overload current, and short circuit current with precision. It stands out with its enhanced overload and short circuit protective capabilities, effortlessly meeting control and measurement demands while offering advanced remote control and monitoring features. Widely used across substations, industrial environments, and mining enterprise distribution systems, it provides unmatched control and operation, especially in settings with frequent operational demands.
Structural features:
Designed with meticulous craftsmanship, the circuit breaker boasts a three-phase pillar dry design;
Built with a fully enclosed structure, it offers impeccable sealing, exceptional moisture resistance, and anti-condensation properties, making it a top choice for high-temperature and humid regions;
Utilizes cutting-edge vacuum arc extinguishing technology to ensure superior insulation reliability;
Provides impeccable opening and closing performance, guaranteeing safety with zero risk of combustion or explosion;
Compact and lightweight, it requires no maintenance and promises an extraordinary lifespan;
Offers operational versatility with manual, electric, or remote control modes available;
The operating mechanism is expertly sealed at the base of the switch box, offering robust protection against outdoor environmental corrosion;
Features an innovative, streamlined design with a stable mechanism that ensures dependable 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 |
|||
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