| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, the ultimate solution crafted to elevate modern outdoor distribution networks to new heights. Revered as the 'circuit breaker,' this state-of-the-art switchgear is precisely engineered to accommodate a 12kV rated voltage and a robust three-phase AC at 50Hz. Masterfully designed, this versatile circuit breaker excels in the interruption and reconnection of load currents, overload currents, and short circuit currents within power grids. It boasts advanced overload and short circuit protective capabilities, flawlessly fulfilling control and measurement requirements, while offering sophisticated remote control and monitoring functionalities. Its expansive application range encompasses substations, industrial sectors, and mining enterprise distribution systems, making it the premier choice for environments necessitating frequent operations, delivering unmatched control and efficiency.
Structural Features:
Meticulously crafted with precision, the circuit breaker features an exquisite three-phase pillar dry design;
Expertly engineered with a fully enclosed structure, it offers remarkable sealing, superior moisture resistance, and anti-condensation properties, perfectly suited for high-temperature and humid environments;
Employs cutting-edge vacuum arc extinguishing technology, providing unmatched insulation reliability;
Delivers flawless opening and closing performance, ensuring safety without any risk of combustion or explosion;
Designed to be compact and lightweight, requiring zero maintenance while boasting an exceptional lifespan;
Offers 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 against environmental corrosion outdoors;
Showcases an innovative and streamlined design with a restless mechanism, ensuring reliable dynamic performance, a condensed structure, and an impressive 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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