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, renowned as an isolation disconnect switch, is meticulously crafted for application on 10(12, 15, 24)kV high voltage power transmission and distribution lines. It seamlessly facilitates the opening and closing of single-phase or three-phase circuits without load, while voltage remains present, ensuring exceptional performance and reliability.
Designed for single-phase efficiency within three-phase line systems, this switch stands out due to its streamlined structure, cost-efficiency, and user-friendliness. It offers rated currents of 200, 400, 600, 800, 1000, and 1250 amps, providing flexibility for diverse applications. Constructed with a robust base, dependable post insulators, efficient conductive components, and a precise mechanical section, it employs a gate knife structure for flawless circuit operation. Each phase's gate knife features dual conductive blades, complemented by external compression springs on either side. Adjusting the spring height ensures optimal contact pressure for reliable operation. The switch operates with an insulated hook stick for smooth opening and closing, enhanced by a self-locking device for added security.
Working Environment - Optimal Conditions
The installation site should be at an altitude not exceeding 1000 meters, ensuring stable performance under specific atmospheric conditions.
Ambient temperature conditions are vital: maximum should not surpass +40°C; minimum should not drop below -30°C, ensuring consistent operation through varying climates.
Designed to endure outdoor wind speeds of up to 35 meters/second, ensuring durability and reliable performance in diverse weather conditions.
Seismic intensity should be within 8 degrees, and the installation location must be free from frequent severe vibrations, maintaining the switch's integrity and functionality.
The installation site must be devoid of gases, chemical deposits, salt mist, dust, dirt, or any other explosive or corrosive elements that could compromise the switch's insulation and conductivity.
Important Note for Consideration:
WHEN THE ABOVE NORMAL OPERATING CONDITIONS ARE SURPASSED, USERS ARE ENCOURAGED TO DISCUSS OPTIONS WITH OUR COMPANY FOR CUSTOM SOLUTIONS.
Installation, Use, and Adjustment - Precision and Care
Pre-installation Preparations
Conduct Annual Inspections - Ensure Longevity
Regularly eliminate dirt from conductive parts, contact surfaces, and insulating porcelain bottle surfaces to maintain peak efficiency.
Inspect every component for potential damage, with a keen focus on identifying any issues like damage or cracks in the insulating porcelain bottle.
Verify the integrity of the conductive part's contact surface to guarantee optimal electrical 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 |