| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Presenting the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a paragon of innovation designed for modern outdoor distribution networks. Revered as the 'circuit breaker,' this sophisticated switchgear is crafted for a 12kV rated voltage and a robust three-phase AC at 50Hz, offering unmatched performance. This versatile circuit breaker adeptly handles the interruption and reconnection of load current, overload current, and short circuit current within power grids. It showcases state-of-the-art overload and short circuit protective capabilities, perfectly fulfilling control and measurement requirements while delivering advanced remote control and monitoring functions. Its broad application spectrum includes substations, industrial sectors, and mining enterprise distribution systems, making it the premier choice for environments demanding frequent operations, assuring unrivaled control and efficiency.
Structural Features:
With meticulous craftsmanship, this circuit breaker boasts a refined three-phase pillar dry design;
Engineered with a fully enclosed structure, it offers superior sealing, outstanding moisture resistance, and anti-condensation properties, perfect for high-temperature and humid settings;
Incorporates cutting-edge vacuum arc extinguishing technology, providing exceptional insulation reliability;
Guarantees impeccable opening and closing performance, ensuring safety with no risk of combustion or explosion;
Designed to be compact and lightweight, this breaker is maintenance-free and boasts an impressive lifespan;
Offers versatile operation options including manual, electric, or remote control;
The operating mechanism is securely sealed at the switch box's base, ensuring robust protection against outdoor environmental corrosion;
Showcases an innovative simplified design with 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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