| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, the epitome of innovation and excellence for modern outdoor distribution networks. Affectionately referred to as the 'circuit breaker,' this superior switchgear is precision-engineered for a robust 12kV rated voltage and a durable three-phase AC operating at 50Hz. This versatile circuit breaker excels in handling the interruption and reconnection of load current, overload current, and short circuit current within power grids. It boasts state-of-the-art overload and short circuit protective capabilities, effortlessly addressing control and measurement requirements while providing advanced remote control and monitoring functions. Its wide-ranging application extends to substations, industrial sectors, and mining enterprise distribution systems, making it the unrivaled choice for environments demanding frequent operations, ensuring unparalleled control and efficiency.
Structural Features:
Meticulously crafted, the circuit breaker is designed with a sophisticated three-phase pillar dry design;
Expertly engineered with a fully enclosed structure, it offers exceptional sealing, superior moisture resistance, and outstanding anti-condensation attributes, perfectly suited for high-temperature and humid environments;
Employing state-of-the-art vacuum arc extinguishing technology, it delivers exceptional insulation reliability;
Ensures impeccable opening and closing performance, guaranteeing ultimate safety with no risk of combustion or explosion;
Designed to be compact and lightweight, it requires no maintenance while boasting an impressive lifespan;
Features versatile operation with options for manual, electric, or remote control;
The operating mechanism is meticulously sealed at the base of the switch box, effectively safeguarding against outdoor environmental corrosion;
Showcases an innovative and simplified design featuring a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an astonishing service life reaching 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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