| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a pinnacle in advanced switchgear technology crafted for modern outdoor distribution networks. This sophisticated device, colloquially known as the 'circuit breaker,' boasts a 12kV rated voltage along with a robust three-phase AC at 50Hz. Masterfully designed, it efficiently manages the interruption and reconnection of load current, overload current, and short circuit current within power grids. With state-of-the-art overload and short circuit protective capabilities, it seamlessly fulfills control and measurement requirements. Additionally, it offers cutting-edge remote monitoring and control functionalities. Its versatile application range includes substations, industrial domains, and mining enterprise distribution systems, making it the premier choice for environments demanding frequent operations while delivering unparalleled control and efficiency.
Structural Features:
Meticulously designed with precision, the circuit breaker incorporates a refined three-phase pillar dry design;
Expertly engineered with a fully enclosed structure, it boasts superior sealing, exceptional moisture resistance, and anti-condensation features, making it perfect for high-temperature and humid environments;
Employs state-of-the-art vacuum arc extinguishing technology, ensuring unparalleled insulation reliability;
Guarantees flawless opening and closing performance, offering safety with no risk of combustion or explosion;
Crafted to be compact and lightweight, this unit demands no maintenance and sports an impressive lifespan;
Offers 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 an innovative, simplified design with 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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