Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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The (H)GWBEB type outdoor high-voltage isolation switch is a marvel of engineering, providing unparalleled reliability for high voltage power transmission and distribution lines. Designed to effortlessly manage 10(12, 15, 24)kV systems, this sophisticated isolation disconnect switch allows you to open and close single-phase or three-phase circuits with voltage present, ensuring smooth operation without load.
This switch is a testament to innovation, tailored for single-phase application in three-phase line systems. Its design is marked by its simplicity, making it cost-effective and user-friendly. Choose from rated currents of 200, 400, 600, 800, 1000, and 1250 amps. The assembly includes a robust base, post insulators, conductive components, and a mechanical section, featuring a gate knife structure to manage circuit operations. Each phase's gate knife boasts dual conductive blades with precision-placed external compression springs. By adjusting the spring height, optimal contact pressure for the gate knife is achieved. Operate the switch effortlessly using an insulated hook stick for seamless open and close actions, complete with an intuitive self-locking device.
Working Environment:
Ensure optimal performance at altitudes not exceeding 1000 meters.
Experience reliable operation within a temperature range: maximum not above +40°C; minimum not below -30°C.
Maintain stability in outdoor conditions with wind speeds not exceeding 35 meters/second.
Designed to withstand seismic intensities up to 8 degrees; ensure the installation site is free from frequent severe vibrations.
For maximum efficiency, select an installation site free from gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums that could compromise the switch's insulation and conductivity.
Note:
WHEN THE ABOVE NORMAL USE CONDITIONS ARE EXCEEDED, USERS ARE ENCOURAGED TO NEGOTIATE WITH THE COMPANY FOR TAILORED SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Annually inspect the following parts of the switch for continued excellence:
Maintain pristine conditions by removing dirt from conductive parts, contact surfaces, and the insulating porcelain bottles' surface.
Conduct thorough inspections for any damages, with particular attention to the insulating porcelain bottle for any signs of damage or cracking.
Verify the integrity of the conductive part's contact surface.
The main technical parameters |
Table I |
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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 |