| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
Still deciding? Get samples of $ !
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 dubbed the 'circuit breaker.' This high-tech outdoor distribution switchgear is meticulously designed to operate at a rated voltage of 12kV, supported by a robust three-phase AC current of 50Hz. This adaptable circuit breaker expertly manages the interruption and reconnection of load currents, overload currents, and short circuit currents within the power grid. It is equipped with cutting-edge overload and short circuit protection features, seamlessly meeting control and measurement specifications while delivering advanced remote control and monitoring capabilities. Its extensive applications include substations, industrial settings, and mining enterprise distribution systems, offering unparalleled control and efficiency—ideal for environments demanding frequent operations.
Structural Features:
Crafted with meticulous precision, this circuit breaker features a sophisticated three-phase pillar dry design;
Engineered with a fully enclosed architecture, it provides superior sealing, exceptional resistance to moisture, and anti-condensation properties, making it the ideal choice for high-temperature and humid regions;
Employs cutting-edge vacuum arc extinguishing technology, delivering outstanding insulation reliability;
Delivers impeccable opening and closing performance, ensuring safety without the risk of combustion or explosion;
Compact and lightweight, this product requires no maintenance and boasts an impressive lifespan;
Offers versatile operation with manual, electric, or remote control options;
The operating mechanism is meticulously sealed at the base of the switch box, providing effective protection against outdoor environmental corrosion;
Exhibits a novel, simplistic design with a resilient mechanism that ensures reliable dynamic performance, a compact form, and an astounding 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}