| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the illustrious ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a definitive solution for modern outdoor distribution networks. Often hailed as the 'circuit breaker,' this sophisticated switchgear boasts a robust 12kV rated voltage and an enduring three-phase AC at 50Hz. This innovative circuit breaker excels at skillfully managing the interruption and reconnection of load current, overload current, and short circuit current within power grids. It demonstrates pioneering overload and short circuit protective capabilities while effortlessly fulfilling control and measurement needs. Additionally, it offers advanced remote control and monitoring functions. Its broad application spectrum encompasses substations, industrial settings, and mining enterprise distribution systems, positioning it as the ultimate choice for environments demanding frequent operations, ensuring unparalleled control and efficiency.
Structural Features:
The circuit breaker is meticulously crafted with a refined three-phase pillar dry design, ensuring exceptional performance;
Expertly engineered with a completely enclosed structure, it provides remarkable sealing, superior moisture resistance, and anti-condensation attributes, making it ideal for high-temperature and humid environments;
Harnesses cutting-edge vacuum arc extinguishing technology, delivering outstanding insulation reliability;
Guarantees impeccable opening and closing performance, ensuring maximum safety with no risk of combustion or explosion;
Designed to be compact and lightweight, it requires no maintenance while boasting 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, effectively safeguarding against outdoor environmental corrosion;
Features an innovative and streamlined design with an advanced mechanism, ensuring reliable dynamic performance, a compact structure, and an impressive service life extending to an astonishing 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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