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, an epitome of engineering excellence, also known as an isolation disconnect switch, is expertly crafted for deployment on 10(12, 15, 24)kV high voltage power transmission and distribution lines. It adeptly facilitates the opening and closing of single-phase or three-phase circuits while maintaining voltage presence, making it indispensable for seamless power operations.
Engineered for single-phase application within three-phase line systems, this switch showcases a straightforward yet ingenious design, ensuring remarkable cost-efficiency and unparalleled user-friendliness. Available in a spectrum of rated currents: 200, 400, 600, 800, 1000, and 1250 amps, these switches are an ensemble of components including a robust base, post insulators, conductive elements, and a mechanical section. The circuit's gate knife structure, featuring dual conductive blades per phase and flanked by external compression springs, guarantees optimal contact pressure through adjustable spring height. Operation is made effortless with an insulated hook stick, with an integrated self-locking mechanism ensuring safety and reliability.
Working Environment:
Altitude constraint: Not surpassing 1000 meters;
Ambient temperature range: A maximum ceiling of +40°C; a minimum floor of -30°C;
Outdoor wind velocity: Not exceeding 35 meters/second;
Seismic intensity: Withstand up to 8 degrees; installation site must remain free from frequent severe vibrations.
Installation environment must be devoid of gases, chemical deposits, salt mist, dust, dirt, or any explosive or corrosive mediums that could adversely impact the switch's insulation and conductivity, ensuring long-term efficacy and reliability.
Note:
SHOULD THE ABOVE NORMAL USE CONDITIONS BE EXCEEDED, A CONSULTATION WITH THE COMPANY IS ADVISED FOR CUSTOM ARRANGEMENTS.
Installation, Use and Adjustment
Pre-installation work
Conduct regular annual inspections on the following switch components:
Meticulously cleanse conductive parts, contact surfaces, and insulating porcelain bottle surfaces to maintain operational integrity.
Inspect all components for potential damage, with particular vigilance toward the insulating porcelain bottle for any signs of damage or fissures.
Assess the quality of the conductive part's contact surface to ensure it remains in top 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 |