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 marvel of engineering also recognized as an isolation disconnect switch. Created for seamless integration with 10(12, 15, 24)kV high voltage power transmission and distribution lines, this switch expertly manages the opening and closing of single-phase or three-phase circuits—carrying voltage but no load. Its design ensures reliable performance, distinguishing itself in the market as an indispensable tool.
The switch's innovative design is intended for single-phase applications within three-phase line systems, renowned for its simple yet robust construction, economic value, and user-friendly operation. It caters to a wide range of rated currents, including 200, 400, 600, 800, 1000, and 1250 amps. Each unit boasts a meticulously crafted base, sturdy post insulators, premium conductive parts, and a sophisticated mechanical section. The switch utilizes a gate knife mechanism for circuit operations. Elegantly engineered, each phase's gate knife integrates two conductive blades, bolstered by external compression springs that can be finely tuned in height to ensure optimal contact pressure. The switch is adeptly operated with an insulated hook stick, offering effortless opening and closing maneuvers while featuring a state-of-the-art self-locking device to enhance security.
Working Environment:
Elevation does not exceed 1000 meters, ensuring optimal performance.
Temperature range: Designed for robustness, it operates efficiently with a maximum ambient temperature up to +40°C and a minimum of -30°C.
Endures outdoor wind speeds up to 35 meters/second, proving its stability.
Built to withstand seismic intensity up to 8 degrees, the installation site must be free from frequent severe vibrations, ensuring a secure and stable setup.
The installation environment must be devoid of harmful gases, chemical residues, salt mist, dust, debris, or any other explosive or corrosive elements that could significantly impair the switch's insulation and conductive efficacy.
Note:
WHEN STANDARD CONDITIONS ARE SURPASSED, USERS ARE ENCOURAGED TO DISCUSS ALTERNATIVE SOLUTIONS WITH THE COMPANY FOR OPTIMAL PERFORMANCE.
Installation, Use and Adjustment
Pre-installation work
Regular Annual Maintenance: To ensure flawless performance, conduct an annual inspection of the following switch components:
Thoroughly cleanse any dirt from the conductive components, contact surfaces, and insulating porcelain bottle surfaces to maintain optimal conductivity.
Inspect all components for any damage, paying particular attention to the insulating porcelain bottle to identify any potential damage or cracks.
Verify the condition of the conductive part's contact surface, ensuring a pristine and effective connection.
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 |