| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
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Introducing the ZW32-12 (G) Series: a masterpiece in outdoor high voltage vacuum circuit breakers, commonly referred to as the 'circuit breaker.' This leading-edge outdoor distribution switchgear is crafted with precision, featuring a robust rated voltage of 12 kV and designed specifically for three-phase AC 50 Hz environments. It excels at managing load current, overload current, and short circuit current on power lines with unmatched precision. Offering the pinnacle of overload and short circuit protection, it adheres to the highest control and measurement standards effortlessly. With capabilities for remote control and monitoring, it is the preferred choice for substations, as well as industrial and mining enterprise distribution systems. Crafted for scenarios that demand frequent operation, this circuit breaker elevates control and operational excellence to new heights.
Structural Features:
Experience the durability of a robust three-phase pillar dry structure, engineered for peak performance.
Designed with a fully enclosed architecture, it sets the standard for sealing, moisture resistance, and condensation prevention, making it exceptionally suited for high temperature and humid climates.
The integration of vacuum arc extinguishing technology ensures superior insulation, significantly enhancing operational safety.
Enjoy peace of mind with reliable opening and closing performance, free from combustion or explosion risks.
With its compact, lightweight, and maintenance-free design, this product guarantees a long service life, optimizing value and efficiency.
Discover unparalleled user convenience with versatile operating options - whether manual, electric, or remote.
The operating mechanism, securely enclosed at the base of the switch box, is expertly crafted to withstand corrosion from extended outdoor exposure.
Showcasing a novel, simplistic yet dependable design, the restless mechanism offers outstanding dynamic performance within a compact form, boasting a 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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