| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Discover the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker—an unparalleled solution crafted for the modern outdoor distribution landscape. Affectionately known as the 'circuit breaker,' this state-of-the-art switchgear is meticulously engineered for a 12kV rated voltage and a robust three-phase AC at 50Hz. This innovative circuit breaker excels in the interruption and reconnection of load current, overload current, and short circuit current within power grids. It boasts pioneering overload and short circuit protective capabilities, efficiently addressing control and measurement demands while offering advanced remote control and monitoring features. With its broad application range, the breaker is perfectly suited for substations, industrial fields, and mining enterprise distribution systems. It is the definitive choice for environments demanding frequent operations, delivering unparalleled control and efficiency.
Structural Features:
Impeccably designed, the circuit breaker showcases a sophisticated three-phase pillar dry design;
Ingeniously crafted with a fully enclosed structure, it ensures remarkable sealing, superb moisture resistance, and anti-condensation properties, making it ideal for high-temperature and humid conditions;
Incorporates cutting-edge vacuum arc extinguishing technology, providing outstanding insulation reliability;
Guarantees flawless opening and closing performance, ensuring safety without any risk of combustion or explosion;
Designed to be compact and lightweight, it necessitates no maintenance and boasts an impressive lifespan;
Features adaptable operation with manual, electric, or remote control options available;
The operating mechanism is meticulously sealed at the switch box's base, effectively shielding against outdoor environmental corrosion;
Highlights an innovative and streamlined design with a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an extraordinary service life extending 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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