| 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 powerhouse solution for today's modern outdoor distribution networks. Affectionately known as the 'circuit breaker,' this state-of-the-art switchgear is meticulously engineered for a robust 12kV rated voltage and a three-phase AC at 50Hz. This dynamic circuit breaker excels in handling 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, flawlessly catering to control and measurement needs while providing advanced remote control and monitoring functions. With its wide-ranging applications, it is ideally suited for substations, industrial settings, and mining enterprise distribution systems, making it the unrivaled choice for environments necessitating frequent operations, ensuring unparalleled control and efficiency.
Structural Features:
Meticulously crafted to perfection, the circuit breaker showcases a sophisticated three-phase pillar dry design;
Expertly engineered with a fully enclosed structure, it delivers remarkable sealing, superb moisture resistance, and anti-condensation properties, making it perfect for high-temperature and humid environments;
Incorporates state-of-the-art vacuum arc extinguishing technology, ensuring exceptional insulation reliability;
Provides impeccable opening and closing performance, guaranteeing unmatched safety with no risk of combustion or explosion;
Designed to be compact and lightweight, it is maintenance-free and boasts an impressive lifespan;
Features versatile operation with options for manual, electric, or remote control;
The operating mechanism is securely sealed at the base of the switch box, providing effective protection against outdoor environmental corrosion;
Showcases a cutting-edge and simplified design featuring a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an astonishing 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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