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 masterful innovation in outdoor safety solutions, also popularly referred to as an isolation disconnect switch. This powerful device is meticulously crafted for seamless operation on 10(12, 15, 24)kV high voltage power transmission and distribution lines. It effortlessly opens and closes single-phase or three-phase circuits, eliminating load concerns, even as voltage remains present.
Designed for single-phase application within three-phase line systems, this switch is celebrated for its straightforward design, affordability, and exceptional user-friendliness. Available in a range of rated currents from 200 to 1250 amps, it comprises essential components such as a robust base, sturdy post insulators, efficient conductive parts, and a reliable mechanical section. Employing a sophisticated gate knife structure, it ensures flawless circuit operation, with each phase's gate knife featuring double conductive blades complemented by external compression springs. Adjusting these springs guarantees optimal contact pressure, while the insulated hook stick offers effortless operation and a dependable self-locking mechanism.
Working Environment:
Altitude: Restricted to installations not exceeding 1000 meters;
Temperature: Thrives under a maximum ambient temperature of +40°C and withstands a minimum of -30°C;
Wind Resistance: Designed to endure outdoor wind speeds of up to 35 meters/second;
Seismic Resilience: Capable of operating at a seismic intensity not exceeding 8 degrees, ideal for sites with minimal severe vibration occurrences.
The switch's installation site must remain free of gases, chemical deposits, salt mist, dust, dirt, and other explosive or corrosive substances that could jeopardize its insulation and conductivity.
Note:
FOR CONDITIONS BEYOND THESE SPECIFIED NORMAL USE PARAMETERS, WE OFFER FLEXIBLE NEGOTIATION OPTIONS WITH THE COMPANY.
Installation, Use and Adjustment
Pre-installation work
Annual Maintenance: Conduct a thorough inspection of the following switch components each year:
Regularly cleanse and remove dirt from all conductive parts, contact surfaces, and the insulating porcelain bottle's exterior to maintain optimal performance.
Examine all parts for signs of damage, with particular focus on inspecting the insulating porcelain bottle for any indications of damage or cracks.
Ensure the contact surface of the conductive part remains in excellent condition, free from defects.
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 |