Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Introducing the (H)GWBEB model: an outdoor high-voltage isolation switch, also reverently recognized as an isolation disconnect switch. This ingeniously crafted device is tailor-made for high voltage power transmission and distribution lines with ratings of 10, 12, 15, and 24kV. Designed to seamlessly manage the opening and closing of single-phase or three-phase circuits, it operates efficiently without load yet with the presence of voltage, ensuring precision and reliability in every action.
Unveiling a masterpiece of engineering, this switch is a paragon of simplicity, cost-efficiency, and user-friendliness, crafted for single-phase applications within three-phase systems. It offers an impressive range of rated currents: 200, 400, 600, 800, 1000, and 1250 amps. The switch's robust assembly comprises a sturdy base, reliable post insulators, conductive components, and an efficient mechanical section. Its sophisticated gate knife mechanism, composed of dual conductive blades per phase and bolstered by external compression springs, ensures optimal contact pressure through adjustable spring heights. Operated deftly with an insulated hook stick, it features a self-locking device for enhanced safety and control.
Working Environment:
Optimized for altitudes not exceeding 1000 meters;
Engineered for ambient temperatures with a maximum of +40°C and a minimum of -30°C;
Designed to withstand outdoor wind speeds not exceeding 35 meters/second;
Built to endure seismic intensities not exceeding 8 degrees; the installation site should remain free from frequent severe vibrations, ensuring stability and longevity.
The ideal installation site should be devoid of gases, chemical deposits, salt mist, dust, and dirt, or any other explosive or corrosive substances that could significantly impair the switch's insulation and conductivity.
Note:
WHEN THE NORMAL USAGE CONDITIONS EXCEED STANDARDS, USERS ARE ENCOURAGED TO ENGAGE IN DIALOGUE WITH THE COMPANY FOR CUSTOMIZED SOLUTIONS.
Installation, Use, and Adjustment
Pre-installation Work
Commit to an annual inspection regimen for the following switch components:
Diligently clear dirt from conductive parts, contact surfaces, and the surface of insulating porcelain bottles to maintain optimal performance.
Scrutinize all components for damages, with a heightened focus on identifying any damage or cracks in the insulating porcelain bottle.
Verify that the contact surfaces of the conductive components are in impeccable condition, ensuring uninterrupted functionality.
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 |