Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Introducing the innovative (H)GWBEB type outdoor high-voltage isolation switch, also known as the isolation disconnect switch. Crafted with exact precision, this remarkable switch is tailored for use on 10(12, 15, 24)kV high voltage power transmission and distribution lines. It excels in the seamless opening and closing of both single-phase and three-phase circuits. Remarkably, it operates efficiently without any load, while under voltage, prioritizing safety and unwavering reliability.
This switch exemplifies engineering excellence, specifically designed for single-phase utilization within three-phase line systems. It is distinguished by its straightforward structure, cost-effectiveness, and ease of use. The switch offers versatile compatibility with rated currents of 200, 400, 600, 800, 1000, and 1250 amps. It features a durable base, resilient post insulators, high-grade conductive parts, and an efficient mechanical section. The cutting-edge gate knife structure elevates circuit operations, with each phase's gate knife consisting of two conductive blades. External compression springs on each side provide optimal contact pressure, adjustable through the modification of spring height. Operating the switch is effortless using an insulated hook stick, complemented by a convenient self-locking device enhancing security.
Working Environment:
Masterfully designed to deliver outstanding performance at altitudes not exceeding 1000 meters;
Proficient in enduring ambient temperatures: with a maximum limit of +40°C and a minimum threshold of -30°C;
Skillfully engineered to sustain performance under outdoor wind speeds not exceeding 35 meters/second;
Built with resilience to withstand seismic intensities not exceeding 8 degrees; ideally suited for installation sites with minimal severe vibrations.
For the best performance, ensure the installation site is devoid of gases, chemical deposits, salt mist, dust, dirt, or any other explosive or corrosive mediums that could significantly affect the switch's insulation and conductivity.
Note:
WHEN CONDITIONS SURPASS THE SPECIFIED NORMAL USE PARAMETERS, USERS ARE INVITED TO DISCUSS WITH THE COMPANY FOR OPTIMAL SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Ensure durability by conducting annual inspections of the following components:
Diligently remove any dirt from conductive parts, contact surfaces, and the surface of the insulating porcelain bottle to preserve functionality.
Carefully inspect all components for any potential damage. Pay special attention to the insulating porcelain bottle for any signs of damage or cracks.
Ensure that the contact surface of the conductive part is in impeccable condition to guarantee efficient operation.
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 |