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, a pinnacle of engineering, is expertly crafted to serve 10(12, 15, 24)kV high voltage power transmission and distribution lines. Its primary function is to open and close single-phase or three-phase circuits, maintaining voltage but without load. This robust switch stands as an indispensable tool in high-voltage management.
Designed for single-phase applications within three-phase systems, this switch boasts a simple yet efficient structure, making it an economical and user-friendly solution. Available in rated currents of 200, 400, 600, 800, 1000, and 1250 amps, each unit is a masterpiece comprising a sturdy base, resilient post insulators, conductive components, and a precise mechanical section. The innovative gate knife structure ensures seamless circuit operation, where each phase includes two conductive blades equipped with external compression springs. Adjust these springs to achieve optimal contact pressure. The switch's operations are effortlessly managed with an insulated hook stick, and a self-locking feature secures the position seamlessly.
Working Environment:
Altitude must remain within 1000 meters; ensuring reliable performance in diverse terrains.
Ambient temperature constraints: never exceeding +40°C nor dropping below -30°C; guaranteeing performance in extreme conditions.
Outdoor wind velocity should not surpass 35 meters/second; stability assured in windy climates.
Seismic intensity should not be beyond 8 degrees; installations should avoid sites prone to frequent intense vibrations.
Installation sites should remain free from gases, chemical deposits, salt mist, dust, dirt, and other explosive or corrosive elements that could significantly impair the switch's insulation and conductivity. Ensuring a pristine environment is crucial for optimal switch performance.
Note:
WHEN NORMAL USAGE CONDITIONS EXCEED SPECIFICATIONS, USERS ARE ENCOURAGED TO NEGOTIATE TERMS WITH THE COMPANY TO CUSTOMIZE SOLUTIONS SUITED TO THEIR UNIQUE NEEDS.
Installation, Use and Adjustment
Pre-installation work
Annually, conduct a meticulous inspection of the following switch components:
Diligently remove any dirt from conductive parts, contact surfaces, and the insulating porcelain bottles to preserve operational efficiency.
Inspect all components for signs of damage, paying particular attention to the insulating porcelain bottle for any damage or cracks, ensuring uninterrupted service.
Verify the condition of the conductive part's contact surface to maintain optimal performance.
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 |