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, renowned for its robust and reliable performance, acts as an essential isolation disconnect switch. Crafted for operation on 10(12, 15, 24)kV high voltage power transmission and distribution lines, it excels in safely opening and closing single-phase or three-phase circuits with voltage present but no load, ensuring seamless operation and enhanced safety.
This switch is expertly engineered for single-phase applications within three-phase line systems, offering a perfect blend of simplicity and cost-effectiveness. It boasts a variety of available rated currents: 200, 400, 600, 800, 1000, and 1250 amps. The switch's construction includes a sturdy base, durable post insulators, efficient conductive parts, and a reliable mechanical section. Designed with a state-of-the-art gate knife structure, it efficiently opens and closes circuits. Each phase is equipped with a gate knife featuring dual conductive blades and external compression springs on both sides. By skillfully adjusting the spring height, optimal contact pressure is achieved, ensuring superior performance. Operated effortlessly with an insulated hook stick, it includes a self-locking device for enhanced security and ease of use.
Working Environment:
Altitude: Not exceeding 1000 meters; a perfect fit for diverse geographical locales.
Ambient Temperature: Ideally suited for environments with a maximum of +40°C and a minimum of -30°C.
Outdoor Wind Speed: Capable of withstanding wind speeds up to 35 meters/second, maintaining resilience in harsh weather.
Seismic Intensity: Designed for areas with seismic intensities not exceeding 8 degrees, ensuring stability in tremor-prone regions.
Installation Site: Must be free of gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums that could compromise the switch's insulation and conductivity, guaranteeing optimal performance and durability.
Note:
WHEN STANDARD USE CONDITIONS ARE EXCEEDED, USERS ARE ENCOURAGED TO CONSULT WITH THE COMPANY FOR CUSTOMIZED SOLUTIONS.
Installation, Use and Adjustment
Pre-installation Work
Annual Maintenance: Perform regular yearly checks on the switch’s components to ensure uninterrupted service and performance.
Diligently remove dirt from conductive parts, contact surfaces, and the insulating porcelain bottles' surface to maintain optimum conductivity and performance.
Inspect all components for damage, with a particular focus on the insulating porcelain bottle for any signs of damage or cracks.
Verify the conductive parts' contact surface to ensure a solid and reliable 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 |