| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the revolutionary ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, your ultimate partner for modern outdoor distribution systems. Affectionately dubbed the 'circuit breaker,' this sophisticated switchgear boasts a robust 12kV rated voltage and a steadfast three-phase AC at 50Hz, designed to seamlessly manage the interruption and reconnection of load currents, overload currents, and short circuits within power networks. It stands at the forefront of overload and short circuit protection, effortlessly meeting control and measurement demands while offering state-of-the-art remote control and monitoring capabilities. Its versatile application is ideal for substations, industrial sectors, and mining distribution systems, making it the premier choice for settings with frequent operational needs, delivering unparalleled control and efficiency.
Structural Features:
Beautifully crafted, the circuit breaker boasts an elegant three-phase pillar dry design;
Expertly constructed with a fully enclosed design, it offers exceptional sealing, remarkable moisture resistance, and anti-condensation characteristics, perfect for high-temperature and humid conditions;
Incorporates cutting-edge vacuum arc extinguishing technology, ensuring superior insulation reliability;
Guarantees flawless opening and closing performance, providing safety without combustion or explosion risks;
Built to be compact and lightweight, it requires no maintenance and offers a remarkable lifespan;
Equipped with versatile operation modes including manual, electric, or remote control options;
The operating mechanism is meticulously sealed at the switch box's base, providing robust protection against outdoor environmental corrosion;
Features an innovative and streamlined design with a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an impressive 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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