| 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 technology! Affectionately referred to as the 'circuit breaker,' this state-of-the-art equipment operates with a rated voltage of 12kV and commands a formidable three-phase AC of 50Hz. This exceptional circuit breaker effortlessly manages load current, overload current, and short circuit current interruptions and connections within the power grid. Renowned for its cutting-edge overload and short circuit protection, it flawlessly meets control and measurement standards while offering advanced remote control and monitoring capabilities. Its versatility makes it a cornerstone in substations, industrial applications, and distribution systems across mining enterprises, delivering unmatched control and operational excellence-perfect for frequently active environments.
Structural features:
Crafted with meticulous precision, this circuit breaker highlights a sophisticated three-phase pillar dry design;
Engineered with an expertly sealed, fully enclosed structure, it provides exceptional sealing, unparalleled moisture resistance, and anti-condensation properties, making it the ideal choice for high-temperature and humid regions;
Utilizes cutting-edge vacuum arc extinguishing technology, ensuring outstanding insulation reliability;
Offers impeccable opening and closing performance, guaranteeing safety with zero risk of combustion or explosion;
Designed to be compact and lightweight, this breaker requires no maintenance and boasts an impressive lifespan;
Experience operational flexibility with manual, electric, or remote control options available;
The operating mechanism is expertly sealed at the base of the switch box, providing formidable protection against outdoor environmental degradation;
Features an innovative, streamlined design with a restless mechanism that ensures reliable dynamic performance, a compact form, and an extraordinary 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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