| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, fondly referred to as the 'circuit breaker'. This outstanding outdoor distribution switchgear is meticulously crafted to operate effortlessly at a rated voltage of 12kV. With a formidable three-phase AC of 50Hz, it expertly navigates the interruption and connection of load current, overload current, and short circuit current within the power grid. Boasting cutting-edge protective capabilities against overload and short circuit scenarios, this device meets control and measurement requirements with precision. It elevates your operations with sophisticated remote control and monitoring features. Its versatile applications extend to substations, industrial facilities, and mining enterprise distribution systems, delivering exceptional control and operation even in environments prone to frequent operations.
Structural Features:
Designed with utmost precision, the circuit breaker features a three-phase pillar dry design;
With a fully enclosed structure, it guarantees excellent sealing, unmatched moisture resistance, and anti-condensation properties, making it the ideal choice for high-temperature and humid regions;
Incorporates cutting-edge vacuum arc extinguishing technology, ensuring outstanding insulation reliability;
Provides impeccable opening and closing performance, ensuring safety without any risk of combustion or explosion;
Remarkably compact and lightweight, it requires no maintenance and promises an impressive lifespan;
Offers versatile operational modes—manual, electric, or remote control options;
The operating mechanism is thoughtfully sealed at the base of the switch box, effectively protecting against outdoor environmental corrosion;
Features a novel, minimalist design with an innovative restless mechanism that ensures reliable dynamic 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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