| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a beacon of innovation for modern outdoor distribution networks. Reverently dubbed the 'circuit breaker,' this state-of-the-art switchgear is meticulously designed for a 12kV rated voltage and robust three-phase AC at 50Hz. This versatile circuit breaker excels at seamlessly managing 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, effortlessly fulfilling control and measurement requirements while enabling advanced remote control and monitoring functionalities. Its broad application range encompasses substations, industrial sectors, and mining enterprise distribution systems, rendering it the premier choice for environments requiring frequent operations, delivering unparalleled control and efficiency.
Structural Features:
Skillfully crafted, the circuit breaker flaunts a sophisticated three-phase pillar dry design;
Innovatively engineered with a fully enclosed structure, it affords superior sealing, exceptional moisture resistance, and anti-condensation attributes, perfect for high-temperature and humid environments;
Employs cutting-edge vacuum arc extinguishing technology, ensuring unparalleled insulation reliability;
Provides impeccable opening and closing performance, ensuring safety with no combustion or explosion hazards;
Thoughtfully designed to be compact and lightweight, requiring zero maintenance while boasting an impressive lifespan;
Offers flexible operation with options for manual, electric, or remote control;
The operating mechanism is securely enclosed at the base of the switch box, effectively safeguarding against environmental corrosion;
Features an ingenious and streamlined design with a restless mechanism, ensuring exceptional dynamic performance, a compact structure, and an extraordinary 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 |
|||
){kind=link}