Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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(H)GWBEB type outdoor high-voltage isolation switch, also known as an isolation disconnect switch, elegantly caters to the needs of power transmission and distribution on 10(12, 15, 24)kV high voltage lines. Designed to efficiently open and close single-phase or three-phase circuits, it operates splendidly under voltage, without load.
The switch is tailored for single-phase use within three-phase line systems, lauded for its straightforward design, affordability, and effortless operation. Available in a range of rated currents: 200, 400, 600, 800, 1000, and 1250 amps, it comprises a sturdy base, robust post insulators, conductive components, and a proficient mechanical section. Featuring a gate knife structure for effective circuit control, each gate knife includes two conductive blades with external compression springs on each side. By adjusting the spring height, optimal contact pressure is achieved for the gate knife. Operated with finesse using an insulated hook stick for seamless open-close actions, the switch is equipped with a reliable self-locking mechanism.
Working Environment:
Altitude: Rest assured, the switch performs flawlessly at heights not exceeding 1000 meters.
Ambient Temperature: Operating within a balmy maximum of +40°C and a brisk minimum of -30°C ensures reliable function.
Outdoor Wind Speed: Withstands gusts up to 35 meters/second, providing steadfast operation under robust conditions.
Seismic Intensity: Stand firm with a tolerance for seismic events not exceeding 8 degrees; ideal for installation sites free from frequent, severe vibrations.
Placement Considerations: Ensure an environment free from gases, chemical deposits, salt mist, dust, and dirt. The absence of explosive or corrosive elements ensures the switch's unwavering insulation and dependable conductivity.
Note:
WHEN THE ABOVE NORMAL USE CONDITIONS ARE EXCEEDED, USERS MAY INITIATE DISCUSSIONS WITH THE COMPANY FOR TAILORED SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Conduct an annual inspection of the following components:
Diligently clear dirt from conductive parts, contact surfaces, and the surface of insulating porcelain bottles to maintain optimal function.
Inspect all components for potential damage, with a focus on detecting any imperfections or cracks in the insulating porcelain bottle.
Verify the integrity of the conductive part's contact surface, ensuring it remains in impeccable condition.
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 |