| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
Still deciding? Get samples of US$ 1000/Piece
Order Sample
|
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Introducing the ZW32-12 (G) series outdoor high voltage vacuum circuit breaker, a distinguished component in your outdoor distribution switchgear ensemble. Nicknamed the "circuit breaker," this masterpiece is crafted with precision for a rated voltage of 12 kV, seamlessly accommodating three-phase AC 50 Hz. Designed to handle load current, tackle overload current, and mitigate short circuit current on power lines, it stands as a reliable sentinel for your power systems. Offering superior overload and short circuit protection, this device elegantly meets control and measurement benchmarks. Equipped with state-of-the-art remote control and monitoring capabilities, it is the preferred choice for substation applications and industrial, as well as mining enterprise distribution systems. In environments that demand frequent operation, this circuit breaker elevates operational standards, redefining control, efficiency, and excellence.
Structural Features:
Boasting a robust three-phase pillar dry structure, this product is meticulously engineered for peak performance and durability.
Its fully enclosed design offers superior sealing, moisture-proofing, and condensation prevention, ideal for high-temperature and humid regions.
The integration of vacuum arc extinguishing technology ensures impeccable insulation, significantly enhancing operational safety.
With outstanding opening and closing performance devoid of combustion or explosion risks, it guarantees unparalleled safety and peace of mind.
This compact, lightweight, and maintenance-free product promises an extended service life, delivering maximum value and efficiency.
Enjoy versatile operation modes - manual, electric, or remote - designed for unmatched user convenience and flexibility.
The operating mechanism, securely sealed at the switch box's base, is crafted to withstand corrosion from prolonged outdoor exposure, ensuring longevity.
Featuring an innovative, straightforward yet reliable design, the restless mechanism offers exceptional dynamic performance and compactness, with a service life reaching up to 10,000 cycles, setting new benchmarks in reliability and endurance.
|
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 |
|||
){kind=link}