| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, the epitome of excellence for modern outdoor distribution networks. Affectionately termed the 'circuit breaker,' this premier switchgear operates at a 12kV rated voltage, providing a robust three-phase AC at 50Hz. This revolutionary circuit breaker excels in interrupting and reconnecting load currents, overload currents, and short circuit currents within power grids. Boasting state-of-the-art overload and short circuit protective features, it addresses control and measurement needs with precision while offering advanced remote control and monitoring functionalities. Its broad application spectrum includes substations, industrial sectors, and mining enterprise distribution systems, making it the unrivaled choice for environments demanding frequent operations, ensuring unparalleled control and efficiency.
Structural Features:
Meticulously crafted, this circuit breaker boasts a sophisticated three-phase pillar dry design;
Expertly engineered with a fully enclosed design, it delivers remarkable sealing, exceptional moisture resistance, and anti-condensation properties, perfect for high-temperature and humid conditions;
Employs cutting-edge vacuum arc extinguishing technology, providing outstanding insulation reliability;
Guarantees flawless opening and closing performance, ensuring safety with zero risk of combustion or explosion;
Engineered to be compact and lightweight, it requires no maintenance and offers an impressive lifespan;
Features adaptable operation with options for manual, electric, or remote control;
The operating mechanism is meticulously sealed at the base of the switch box, effectively shielding it from outdoor environmental corrosion;
Exhibits an innovative and streamlined design with a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an extraordinary 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 |
|||
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