Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Introducing the state-of-the-art (H)GWBEB outdoor high-voltage isolation switch, a prime example of modern engineering excellence. Specifically designed for use on 10(12, 15, 24)kV high voltage power transmission and distribution lines, this switch provides unmatched performance by efficiently opening and closing both single-phase and three-phase circuits. This sophisticated device operates without load but with voltage present, delivering superior safety and reliability.
This engineering triumph is crafted for single-phase use in three-phase systems, distinguishing itself with a simplistic design, cost-efficiency, and ease of use. It is a model of versatility, supporting rated currents of 200, 400, 600, 800, 1000, and 1250 amps. The switch is constructed from a durable base, strong post insulators, premium conductive components, and an efficient mechanical section. Its innovative gate knife structure enhances circuit operations, with each phase’s gate knife having two conductive blades. External compression springs on each side ensure ideal contact pressure, which can be adjusted by modifying the spring height. Operating the switch is made easy with an insulated hook stick, coupled with a handy self-locking mechanism for extra security.
Working Environment:
Optimized for flawless operation at altitudes not surpassing 1000 meters;
Withstands ambient temperatures: maximum not beyond +40°C; minimum not under -30°C;
Crafted to endure outdoor wind speeds up to 35 meters/second;
Built to withstand seismic intensities up to 8 degrees; ideal for sites with minimal severe vibrations.
For peak performance, install in areas free from gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive elements that could severely affect the switch’s insulation and conductivity.
Note:
WHEN CONDITIONS EXCEED THE DEFINED NORMAL USE PARAMETERS, USERS ARE ADVISED TO CONSULT WITH THE COMPANY FOR OPTIMAL SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Ensure longevity by conducting annual inspections of the following parts:
Meticulously remove any dirt from conductive parts, contact surfaces, and the insulating porcelain bottle’s surface to maintain functionality.
Inspect all components for potential damage. Pay special attention to the insulating porcelain bottle, checking for any signs of damage or cracks.
Verify that the contact surface of the conductive part is in excellent condition, ensuring efficient operation.
The main technical parameters |
Table I |
|||||||||
Model |
Rated voltage |
Rated current |
kA |
10 seconds thermal stable current |
||||||
peak |
Valid values |
|||||||||
(H)GW
|
10 |
200 |
5 |
9 |
5 |
|||||
400 |
21 |
15 |
10 |
|||||||
600 |
35 |
25 |
14 |
|||||||
630 |
35 |
25 |
14 |
|||||||
800 |
35 |
25 |
14 |
|||||||
1000 |
50 |
35 |
20 |
|||||||
Contact force parameters |
Table II |
|||||||||
Model |
Rated current(A) |
contact pressure(kgf) |
||||||||
(H)GW |
5 |
9 |
||||||||
21 |
15 |
|||||||||
35 |
25 |
|||||||||
35 |
25 |
|||||||||
35 |
25 |
|||||||||
50 |
35 |