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 famously recognized as an isolation disconnect switch, is meticulously engineered for deployment on 10(12, 15, 24)kV high voltage power transmission and distribution lines. It is crafted to manage the opening and closing of single-phase or three-phase circuits that bear voltage, though devoid of load.
This innovative switch, designed for single-phase application in three-phase line systems, stands out for its uncomplicated construction, cost-effectiveness, and user-friendly operation. You can choose from a range of rated currents including 200, 400, 600, 800, 1000, and 1250 amps. These switches are composed of essential elements such as a robust base, durable post insulators, conductive components, and a mechanical section. The gate knife mechanism, featuring two conductive blades per phase and external compression springs, ensures optimal circuit management. Adjusting the spring height is key to achieving the necessary contact pressure for the switch's gate knife. Operation is facilitated using an insulated hook stick, and an integral self-locking device enhances safety.
Working Environment:
Altitude: must not surpass 1000 meters;
Ambient temperature: maximum should not exceed +40°C; minimum should not drop below -30°C;
Outdoor wind speed: restricted to a maximum of 35 meters/second;
Seismic intensity: capped at 8 degrees; the installation site must steer clear of regular severe vibrations.
The installation site must be free from gases, chemical deposits, salt mist, dust, dirt, or any other explosive or corrosive substances that could severely compromise the switch's insulation and conductivity.
Note:
WHEN THE ABOVE NORMAL USE CONDITIONS ARE EXCEEDED, USERS ARE ENCOURAGED TO ENGAGE IN NEGOTIATIONS WITH THE COMPANY.
Installation, Use and Adjustment
Pre-installation Work
Conduct an annual inspection of the following switch components:
Diligently remove any dirt from the conductive parts, contact surfaces, and the insulating porcelain bottle's surface.
Inspect all components for potential damage, with particular emphasis on checking the insulating porcelain bottle for any damage or cracks.
Verify the integrity of the contact surface on the conductive part to ensure effective 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 |