| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, affectionately termed the 'circuit breaker.' Designed with precision for outdoor use, this superior distribution switchgear operates effortlessly at a rated voltage of 12kV, powered by a formidable three-phase AC of 50Hz. This multi-functional circuit breaker excels at interrupting and connecting load, overload, and short circuit currents within the power grid. It is equipped with advanced protective features for overloads and short circuits, meeting control and measurement standards with ease. Moreover, it provides sophisticated remote control and monitoring capabilities. This circuit breaker is the perfect choice for substations, industrial environments, and mining enterprise distribution systems, offering unmatched control and operation, especially in settings requiring frequent operations.
Structural Features:
Crafted with meticulous precision, the circuit breaker boasts a three-phase pillar dry design, ensuring optimal functionality.
Engineered with a fully enclosed structure, it guarantees superior sealing, exceptional moisture resistance, and anti-condensation characteristics, making it an ideal choice for regions with high temperatures and humidity.
Incorporates cutting-edge vacuum arc extinguishing technology, providing outstanding insulation reliability for seamless performance.
Delivers impeccable opening and closing performance, ensuring safety with no risk of combustion or explosion, making it a reliable choice.
This compact and lightweight equipment requires no maintenance, offering an impressive lifespan for long-term reliability.
Versatile in operation, it offers manual, electric, or remote control options to suit diverse needs.
The operating mechanism is ingeniously sealed at the base of the switch box, effectively protecting against outdoor environmental corrosion.
Features a novel and simplistic design with a restless mechanism, ensuring reliable dynamic performance, a compact form, and an astounding service life of 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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