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 recognized as an isolation disconnect switch, stands as a pivotal component for 10(12, 15, 24)kV high voltage power transmission and distribution lines. Expertly engineered to open and close single-phase or three-phase circuits, this switch operates without load but accommodates the presence of voltage, ensuring seamless integration into your power management solutions.
Discover the perfect balance of practicality and innovation with our switch, tailored for single-phase functionality within three-phase line systems. Its design is marked by simplicity, cost-effectiveness, and user-friendliness. Choose from rated currents of 200, 400, 600, 800, 1000, and 1250 amps to meet diverse operational demands. This precision-crafted switch encompasses a base, robust post insulators, conductive components, and a mechanical section. Our unique gate knife structure facilitates efficient circuit management, with each phase's gate knife incorporating two conductive blades and external compression springs on both sides, enabling precise spring height adjustments for optimal contact pressure. Effortless operation is achieved through an insulated hook stick for opening and closing actions, complemented by a reliable self-locking mechanism, ensuring secure and smooth performance.
Working Environment:
Designed for altitudes not exceeding 1000 meters;
Ambient temperature: withstanding maximum not above +40°C and minimum not below -30°C;
Capable of enduring outdoor wind speeds not exceeding 35 meters/second;
Built to withstand seismic intensity not exceeding 8 degrees, ensuring stability at sites free from frequent severe vibrations.
The installation site must be free from gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums that could compromise the switch's insulation and conductivity.
Note:
WHEN NORMAL USE CONDITIONS ARE SURPASSED, USERS MAY NEGOTIATE WITH OUR COMPANY FOR SPECIAL ACCOMMODATIONS.
Installation, Use, and Adjustment
Pre-installation work
Conduct annual inspections on the following parts to maintain optimal performance:
Remove any accumulated dirt from conductive parts, contact surfaces, and the insulating porcelain bottles' surface, ensuring continued efficiency.
Inspect all components for potential damage, with a priority focus on verifying the integrity of the insulating porcelain bottle for any signs of damage or cracks.
Ensure the contact surface of the conductive part remains in excellent condition for reliable 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 |