| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
Still deciding? Get samples of US$ 800/Piece
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Introducing the ZW32-12 outdoor high voltage vacuum circuit breaker, affectionately termed the 'circuit breaker'—an extraordinary outdoor distribution switchgear that caters to a rated voltage of 12kV, accompanied by a robust three-phase AC of 50Hz. This adaptable circuit breaker expertly manages the interruption and connection of load current, overload current, and short circuit current within the power grid network. It features state-of-the-art overload and short circuit protective capabilities, effortlessly meeting control and measurement specifications, while delivering sophisticated remote control and monitoring functionalities. Its extensive application spans substations, industrial settings, and mining enterprise distribution systems, guaranteeing unparalleled control and operation—ideal for environments demanding frequent operations.
Structural features:
Expertly crafted, this circuit breaker proudly boasts a three-phase pillar dry design;
Ingeniously engineered with a fully enclosed structure, it provides exceptional sealing, moisture resistance, and anti-condensation properties, making it an exemplary choice for high-temperature and humid regions;
Utilizes cutting-edge vacuum arc extinguishing technology for remarkable insulation reliability;
Ensures impeccable opening and closing performance, assuring safety with no risk of combustion or explosion;
This compact and lightweight marvel demands no maintenance and promises a remarkable lifespan;
Offers versatility in operation with manual, electric, or remote control options available;
The operating mechanism is meticulously sealed at the base of the switch box, providing effective protection against outdoor environmental corrosion;
Exhibits an innovative, simplistic design with a restless mechanism that ensures reliable dynamic performance, a compact form, and an astonishing 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 |
|||
){kind=link}