| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, your quintessential solution for modern outdoor distribution networks. Affectionately referred to as the 'circuit breaker,' this state-of-the-art switchgear is meticulously designed for a 12kV rated voltage and a robust three-phase AC at 50Hz. This dynamic circuit breaker excels in managing the interruption and reconnection of load current, overload current, and short circuit current within power grids. It epitomizes cutting-edge overload and short circuit protective capabilities, effortlessly fulfilling control and measurement needs while offering advanced remote control and monitoring functionalities. Its extensive application spectrum includes substations, industrial settings, and mining enterprise distribution systems, making it the definitive choice for environments requiring frequent operations, ensuring unparalleled control and efficiency.
Structural Features:
Meticulously crafted, the circuit breaker boasts a refined three-phase pillar dry design, epitomizing engineering excellence;
Expertly engineered with a fully enclosed structure, it offers outstanding sealing, exceptional moisture resistance, and anti-condensation properties, making it ideal for high-temperature and humid environments;
Utilizes state-of-the-art vacuum arc extinguishing technology, which provides exceptional insulation reliability;
Ensures impeccable opening and closing performance, delivering safety with no risk of combustion or explosion;
Designed to be compact and lightweight, it requires no maintenance and boasts an impressive lifespan;
Features versatile operation with manual, electric, or remote control options available for maximum convenience;
The operating mechanism is carefully sealed at the switch box's base, offering robust protection against outdoor environmental corrosion;
Showcases an innovative and simplified design featuring a restless mechanism, ensuring reliable dynamic performance, with a compact structure and an astonishing 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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