| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a stellar performer in the realm of outdoor distribution switchgear. Known fondly as the 'circuit breaker,' this innovative device is meticulously crafted for operation at a rated voltage of 12kV, powered by a formidable three-phase AC of 50Hz. This versatile circuit breaker elegantly manages the interruption and connection of load currents, overload currents, and short circuit currents within the power grid. With its cutting-edge overload and short circuit protective capabilities, it not only meets but exceeds control and measurement requirements, offering advanced remote control and monitoring capabilities. Its application is widespread, making it an essential component in substations, industrial facilities, and mining enterprise distribution systems. Designed for environments requiring frequent operations, it provides unmatched control and operation.
Structural Features:
Crafted with pinpoint accuracy, this circuit breaker boasts a sophisticated three-phase pillar dry design;
Expertly engineered with a completely enclosed structure, it delivers unmatched sealing, outstanding moisture resistance, and anti-condensation attributes, making it an impeccable choice for high-temperature and humid conditions;
Utilizes cutting-edge vacuum arc extinguishing technology, ensuring superb insulation reliability;
Guarantees impeccable opening and closing performance, ensuring utmost safety with zero risk of combustion or explosion;
Designed to be compact and lightweight, it requires no maintenance and promises a remarkable lifespan;
Offers operational versatility with manual, electric, or remote control options;
The operating mechanism is carefully sealed at the base of the switch box, providing robust protection against outdoor environmental corrosion;
Features a novel, simplistic design with a dynamic mechanism that ensures reliable performance, a compact form, and an extraordinary 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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