Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Introducing the (H)GWBEB type outdoor high-voltage isolation switch, a remarkable innovation in electrical engineering, also referred to as an isolation disconnect switch. Crafted for high voltage power transmission and distribution lines, this switch is adept at handling systems operating at 10(12, 15, 24)kV. It excels in opening and closing single-phase or three-phase circuits, maintaining voltage presence without load.
This ingeniously designed switch is perfect for single-phase applications within three-phase line systems. It boasts a streamlined structure, remarkable affordability, and unparalleled user-friendliness. Available in a range of rated currents—200, 400, 600, 800, 1000, and 1250 amps—these switches comprise a sturdy base, robust post insulators, conductive components, and an efficient mechanical section. The innovative gate knife structure ensures seamless circuit operations. Each phase's gate knife includes two conductive blades, accompanied by external compression springs on both sides, whose height can be adjusted to ensure optimal contact pressure. Designed for operation with an insulated hook stick, this switch is equipped with a state-of-the-art self-locking mechanism.
Working Environment:
Engineered for altitudes not exceeding 1000 meters;
Capable of withstanding ambient temperatures with a maximum of +40°C and a minimum of -30°C;
Designed to endure outdoor wind speeds not surpassing 35 meters/second;
Built to tolerate seismic activities up to 8 degrees, ensuring installation stability even in areas with occasional mild vibrations.
The installation site should remain free from any gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive substances that could adversely affect the switch's insulation and conductivity.
Note:
IF THE STANDARD USE CONDITIONS ARE EXCEEDED, USERS HAVE THE OPTION TO DISCUSS CUSTOM SOLUTIONS WITH OUR COMPANY.
Installation, Use and Adjustment
Pre-installation work
Conduct an annual inspection of the following switch components:
Thoroughly clean dirt from conductive parts, contact surfaces, and the insulating porcelain bottle to maintain functionality.
Inspect all components for potential damage, paying special attention to the insulating porcelain bottle for any cracks.
Verify the contact integrity of the conductive parts to ensure 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 |