| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 (G) series outdoor high voltage vacuum circuit breaker, a distinguished leader in outdoor distribution switchgear. Renowned as the 'circuit breaker,' this remarkable device is engineered with a stellar rated voltage of 12 kV and adept at handling three-phase AC 50 Hz currents. It is your ultimate solution for adeptly managing load current, overload current, and short circuit current on power lines. This circuit breaker delivers unmatched overload and short circuit protection, while seamlessly adhering to stringent control and measurement standards. With its advanced remote control and monitoring capabilities, it is an ideal choice for substation applications, as well as industrial and mining enterprise distribution systems. Perfectly suited for environments requiring frequent operations, this circuit breaker sets the standard for control mastery and operational excellence.
Structural features:
Boasting a formidable three-phase pillar dry structure, this product is crafted for superior performance.
Its fully enclosed design excels in sealing, moisture-proofing, and condensation prevention, making it a top choice for high temperature and humid regions.
The integration of vacuum arc extinguishing technology ensures reliable insulation and elevates operational safety standards.
Delivers dependable opening and closing performance without combustion or explosion risks, ensuring peace of mind.
Designed to be compact, lightweight, and maintenance-free, this product guarantees a long service life, optimizing value and efficiency.
Enjoy versatile operation options - choose from manual, electric, or remote controls for unparalleled user convenience.
The operating mechanism, securely encased at the bottom of the switch box, is meticulously designed to withstand corrosion from prolonged outdoor exposure.
With a novel design that is simplicity at its best, the restless mechanism offers stellar dynamic performance and a compact form, with an impressive service life of up to 10,000 cycles.
|
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 |
|||
|
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 |
|||
|
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 |
|||
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