| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a marvel in outdoor distribution switchgear. Renowned among professionals as the 'Circuit Breaker,' this innovative device is engineered to operate with a formidable rated voltage of 12kV and a resilient three-phase AC of 50Hz. With its exceptional versatility, it expertly manages the interruption and connection of load current, overload current, and short circuit current within power grids. This sophisticated circuit breaker boasts advanced overload and short circuit protection, ensuring seamless control and measurement capabilities. It heralds a new era of remote control and monitoring functionality, making it indispensable for substations, industrial environments, and mining distribution systems. This device is the epitome of unparalleled control and operation, suited for settings demanding frequent operation.
Structural features:
Meticulously crafted, the circuit breaker presents a three-phase pillar dry design;
With a fully enclosed structure, it offers superior sealing, exceptional moisture resistance, and anti-condensation properties, making it an ideal selection for high-temperature and humid regions;
Incorporates cutting-edge vacuum arc extinguishing technology, ensuring outstanding insulation reliability;
Exhibits flawless opening and closing performance, guaranteeing safety without the risk of combustion or explosions;
This compact, lightweight marvel requires no maintenance and promises an impressive operational lifespan;
Offers unparalleled versatility in operation with manual, electric, or remote control options available;
The operating mechanism is meticulously sealed at the base of the switch box, effectively safeguarding against outdoor environmental corrosion;
Showcasing a novel, simplistic design, it features a restless mechanism that ensures reliable dynamic performance, a compact form, and an astounding 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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