| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, affectionately termed the 'circuit breaker.' This exceptional outdoor distribution switchgear is engineered to operate at a rated voltage of 12kV, equipped with a robust three-phase AC of 50Hz. Its versatile design empowers it to efficiently manage the interruption and connection of load currents, overload currents, and short circuit currents within the power grid. The circuit breaker is renowned for its advanced overload and short circuit protective capabilities, meeting control and measurement specifications with precision. It offers sophisticated remote control and monitoring features, making it an indispensable component in substations, industrial facilities, and mining enterprise distribution systems. Ideal for environments demanding frequent operations, this circuit breaker provides unparalleled control and operation, ensuring seamless performance.
Structural features:
Expertly crafted, the circuit breaker features a three-phase pillar dry design;
With its fully enclosed structure, it ensures superior sealing, exceptional moisture resistance, and anti-condensation properties. This makes it the ideal choice for high-temperature and humid regions;
Utilizes cutting-edge vacuum arc extinguishing technology, guaranteeing outstanding insulation reliability;
Exhibits perfect opening and closing performance, enhancing safety with zero risk of combustion or explosion;
This compact and lightweight marvel requires no maintenance and promises an impressive lifespan;
Offers versatility in operation with options for manual, electric, or remote control;
Its operating mechanism is meticulously sealed at the base of the switch box, ensuring protection against outdoor environmental corrosion;
Presents a novel, simplistic design featuring a restless mechanism that guarantees reliable dynamic performance, 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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