Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Discover the cutting-edge (H)GWBEB type outdoor high-voltage isolation switch, an essential tool for modern power networks. Known as an isolation disconnect switch, this advanced device is meticulously engineered for efficient use on 10(12, 15, 24)kV high voltage power transmission and distribution lines. It is expertly crafted to open and close single-phase or three-phase circuits without carrying load yet with voltage present, ensuring robust performance and reliability.
Specifically designed for single-phase operation within three-phase line systems, this switch stands out for its straightforward design, unmatched cost-effectiveness, and user-friendly operation. Choose from a variety of rated currents, including 200, 400, 600, 800, 1000, and 1250 amps, to suit your needs. The switch comprises a durable base, insulating post insulators, high-quality conductive parts, and a reliable mechanical section. Employing a sophisticated gate knife structure, the switch effectively manages circuit opening and closing operations. Each phase's gate knife is crafted with two premium conductive blades, fortified with external compression springs on both sides. By adjusting the spring height, you achieve the precise contact pressure necessary for the switch's gate knife operation. Experience seamless operation with an insulated hook stick, coupled with a convenient self-locking device.
Working Environment:
Ideal for installations at altitudes not exceeding 1000 meters;
Operates in a wide ambient temperature range: maximum of +40°C and minimum of -30°C;
Efficiently withstands outdoor wind speeds up to 35 meters/second;
Designed for locations with seismic intensity up to 8 degrees; the installation site should remain free from frequent severe vibrations.
The installation site must be free of gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums that could severely impact the switch's insulation and conductivity.
Note:
WHEN STANDARD OPERATING CONDITIONS ARE EXCEEDED, FEEL FREE TO NEGOTIATE AN ALTERNATIVE SOLUTION WITH OUR COMPANY.
Installation, Use and Adjustment
Pre-installation work
Conduct an annual inspection of the following switch components:
Thoroughly remove dirt from conductive parts, contact surfaces, and the insulating porcelain bottles' surface.
Inspect all components for damage, giving particular attention to the insulating porcelain bottle for any signs of damage or cracks.
Verify the integrity of the contact surface on the conductive part to ensure optimal performance.
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 |