| 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 modern solutions for outdoor distribution networks. Fondly referred to as the 'circuit breaker,' this state-of-the-art switchgear is ingeniously crafted to handle a 12kV rated voltage alongside a robust three-phase AC at 50Hz. This remarkable circuit breaker shines in its ability to smoothly interrupt and reconnect load current, overload current, and short circuit current within power grids. Boasting advanced overload and short circuit protection, it seamlessly fulfills control and measurement demands while offering sophisticated remote control and monitoring capabilities. It’s applicable across substations, industrial domains, and mining distribution systems, making it the go-to option for environments with frequent operational requirements. This ensures unparalleled control and efficiency, rendering it an invaluable asset for cutting-edge electrical infrastructures.
Structural Features:
Meticulously engineered with precision, the circuit breaker boasts a refined three-phase pillar dry design, reflecting superior craftsmanship;
Expertly designed with a fully enclosed structure, it excels in sealing, moisture resistance, and anti-condensation, making it perfect for high-temperature and humid environments;
Employs cutting-edge vacuum arc extinguishing technology, delivering outstanding insulation reliability and performance;
Guarantees flawless opening and closing functions, ensuring safety by eliminating combustion or explosion risks;
Compact and lightweight design ensures no maintenance is needed, offering an extraordinary lifespan;
Features versatile operation with manual, electric, or remote options, providing utmost convenience and adaptability;
The operating mechanism is securely sealed at the switch box's base, offering robust protection against outdoor environmental corrosion;
Showcases an innovative, simplified design with a restless mechanism, ensuring dynamic reliability, compactness, and an impressive service life 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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