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 pivotal component for unparalleled efficiency in power transmission and distribution. Also known as the isolation disconnect switch, it is specifically engineered to function seamlessly on 10(12, 15, 24)kV high voltage power lines. This switch masterfully opens and closes single-phase or three-phase circuits, even when voltage is present, without bearing any load.
Expertly crafted for single-phase use within three-phase systems, this switch boasts a simple yet robust design, offering unmatched cost-effectiveness and operational ease. Available in rated currents of 200, 400, 600, 800, 1000, and 1250 amps, it includes essential components such as a base, post insulators, conductive parts, and a mechanical section. The innovative gate knife structure ensures precise circuit operations. Each phase's gate knife is equipped with dual conductive blades, enhanced by external compression springs on each side for optimal contact pressure, adjustable via spring height. Effortless opening and closing are achieved using an insulated hook stick, complemented by a reliable self-locking mechanism.
Working Environment:
Ideal for altitudes not exceeding 1000 meters;
Functions optimally in ambient temperatures with a maximum of +40°C and a minimum of -30°C;
Designed to withstand outdoor wind speeds of up to 35 meters/second;
Durable under seismic intensities of up to 8 degrees, ensuring installation sites remain free from frequent severe vibrations.
Installation sites must be free from hazardous gases, chemical deposits, salt mist, dust, dirt, or any explosive or corrosive substances that could compromise the switch's insulation and conductivity.
Note:
WHEN EXCEEDING THESE NORMAL OPERATING CONDITIONS, USERS MAY ENTER NEGOTIATIONS WITH US FOR CUSTOM SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Conduct an annual inspection to ensure the following components are in optimal condition:
Diligently clean dirt from conductive parts, contact surfaces, and insulating porcelain bottle surfaces to maintain performance.
Perform a thorough examination of all components for potential damage, with a keen focus on the integrity of the insulating porcelain bottle.
Ensure that the contact surfaces of conductive parts are in pristine condition, free from any imperfections.
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 |