Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Introducing the state-of-the-art (H)GWBEB type outdoor high-voltage isolation switch, a pinnacle in electrical engineering. Designed with precision for deployment on 10(12, 15, 24)kV high voltage transmission and distribution lines, this innovative switch excels in the flawless opening and closing of single-phase or three-phase circuits. It performs with unmatched efficacy, functioning without load yet under voltage, guaranteeing top-tier safety and reliability.
This switch is a testament to engineering brilliance, tailored for single-phase operations within three-phase line systems. It distinguishes itself with a straightforward structure, economic viability, and ease of use. With a range accommodating rated currents from 200 to 1250 amps, the switch features a durable base, robust post insulators, premium conductive components, and a precise mechanical section. The pioneering gate knife design enhances circuit operations, with each phase's gate knife boasting dual conductive blades. External compression springs on each side ensure supreme contact pressure, adjustable by modifying spring height. Operating the switch is effortlessly done with an insulated hook stick, complemented by a convenient self-locking device for enhanced security.
Working Environment:
Designed to perform impeccably at elevations not exceeding 1000 meters;
Able to endure ambient temperatures: peaking at +40°C; and dipping to -30°C;
Engineered to sustain performance with outdoor wind velocities not surpassing 35 meters/second;
Ruggedly constructed to withstand seismic forces not exceeding 8 degrees; ideal for installation sites with minimal severe vibrations.
For peak performance, the installation location must be devoid of gases, chemical residues, salt mist, dust, dirt, or other explosive or corrosive elements that could significantly impact the switch's insulation and conductivity.
Note:
WHEN CONDITIONS SURPASS THE SPECIFIED NORMAL USE PARAMETERS, USERS ARE ENCOURAGED TO CONSULT WITH THE COMPANY FOR OPTIMAL SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Ensure enduring function by performing annual inspections on these components:
Precisely remove any dirt from conductive parts, contact surfaces, and the insulating porcelain bottle's surface to maintain functionality.
Inspect all components for any potential damage, focusing particularly on the insulating porcelain bottle for signs of damage or cracks.
Verify that the contact surface of the conductive part is in pristine condition, ensuring 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 |