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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 masterfully engineered isolation disconnect switch. Perfectly crafted for seamless operation on 10(12, 15, 24)kV high voltage power transmission and distribution lines, this switch efficiently opens and closes single-phase or three-phase circuits without load, yet with voltage present. It stands as a beacon of reliability and performance in critical electrical infrastructure.
Purpose-built for single-phase use within three-phase line systems, this switch distinguishes itself with a simplistic design, unparalleled cost-effectiveness, and user-friendly attributes. It offers flexibility with a range of rated currents: 200, 400, 600, 800, 1000, and 1250 amps. The switch is constructed with a robust base, post insulators, conductive components, and a mechanical section that ensures optimal performance. The innovative gate knife structure facilitates the efficient opening and closing of circuits. Each phase's gate knife is equipped with two conductive blades, complemented by external compression springs on both sides. By adjusting the spring height, you achieve the desired contact pressure for the switch’s gate knife. Operate the switch effortlessly with an insulated hook stick, featuring a self-locking device for secure operations.
Working Environment:
Altitude: Optimal for locations not exceeding a majestic 1000 meters.
Ambient Temperature: Enjoy superior performance with temperatures ranging from a chilling -30°C to a warm +40°C.
Wind Conditions: Designed to withstand robust outdoor wind speeds of up to 35 meters/second.
Seismic Resilience: Built to endure seismic intensities up to 8 degrees, withstanding environments free from frequent severe vibrations.
Installation Precautions: Ensure the installation site is free from gases, chemical deposits, salt mist, dust, dirt, and other explosive or corrosive mediums that could compromise insulation and conductivity.
Note:
ATTENTION: Should the standard usage conditions exceed these specifications, we welcome users to engage in discussions with our company for tailored solutions.
Installation, Use and Adjustment
Pre-installation work
Annual Maintenance Checklist: Regularly conduct a thorough examination of the following components:
Rediscover shine by removing all dirt from conductive parts, contact surfaces, and the insulating porcelain bottles' exterior.
Perform rigorous inspections for any form of damage, with a keen focus on checking the insulating porcelain bottle for potential damage or cracks.
Verify the conductive part's contact surface remains in optimal 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 |