| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Enter the world of innovation with the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a prime solution crafted for modern outdoor distribution networks. Affectionately referred to as the 'circuit breaker,' this sophisticated switchgear is perfectly engineered for a 12kV rated voltage and robust three-phase AC at 50Hz. This versatile circuit breaker excels at managing the interruption and reconnection of load current, overload current, and short circuit current within power networks. It boasts state-of-the-art overload and short circuit protective capabilities, effortlessly fulfilling control and measurement requirements while offering advanced remote control and monitoring functionalities. Its broad application spectrum covers substations, industrial domains, and mining enterprise distribution systems, making it the premier choice for environments demanding frequent operations, guaranteeing unparalleled control and efficiency.
Structural Features:
With meticulous craftsmanship, the circuit breaker boasts a sleek three-phase pillar dry design;
Expertly designed with a fully enclosed structure, it delivers outstanding sealing performance, exceptional moisture resistance, and anti-condensation properties—ideal for high-temperature and humid environments;
Employs state-of-the-art vacuum arc extinguishing technology, providing unsurpassed insulation reliability;
Offers impeccable opening and closing performance, ensuring safety with zero risk of combustion or explosion;
Crafted to be compact and lightweight, it requires no maintenance while boasting an impressive lifespan;
Delivers versatile operation with manual, electric, or remote control options readily available;
The operating mechanism is securely sealed at the switch box's base, effectively safeguarding it against outdoor elements and corrosion;
Highlights an innovative and streamlined design featuring a restless mechanism, ensuring reliable dynamic performance, a compact structure, 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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