Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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(H)GWBEB type outdoor high-voltage isolation switch, a marvel of engineering brilliance, is expertly crafted for the 10(12, 15, 24)kV high voltage power transmission and distribution lines. This isolation disconnect switch is your reliable partner for smoothly opening and closing single-phase or three-phase circuits, ensuring optimal performance even with voltage present, but without load.
Designed for single-phase utilization in three-phase line systems, this switch is celebrated for its simplicity, affordability, and user-friendly operation. With available rated currents of 200, 400, 600, 800, 1000, and 1250 amps, it stands as a versatile solution for various needs. The construction comprises a sturdy base, durable post insulators, high-conductivity parts, and a precision mechanical section. Featuring an innovative gate knife structure for efficient circuit control, each phase's gate knife includes two conductive blades, reinforced by external compression springs for optimal contact pressure. This switch's operation is elegantly executed with an insulated hook stick, complemented by a reliable self-locking device to ensure safety and precision.
Working Environment:
Ideal for altitudes not exceeding 1000 meters;
Ambient temperature conditions: a balmy maximum of +40°C and a resilient minimum of -30°C;
Designed to withstand outdoor wind speeds up to 35 meters/second;
Engineered to endure seismic intensities not exceeding 8 degrees; the installation site should remain free from frequent severe vibrations for optimal performance.
The installation site must be devoid of gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums that could negatively impact the switch's insulation and conductivity.
Note:
WHEN THE ABOVE NORMAL USE CONDITIONS ARE EXCEEDED, THE USER IS ENCOURAGED TO INITIATE DISCUSSIONS WITH THE COMPANY TO EXPLORE CUSTOMIZED SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Annual maintenance checklist for optimal switch performance:
Regularly remove any dirt accumulation from conductive parts, contact surfaces, and the surface of insulating porcelain bottles to maintain flawless functionality.
Conduct a meticulous inspection of all parts for any signs of damage, giving special attention to the insulating porcelain bottle for potential damage or cracks.
Ensure that the contact surface of the conductive part remains pristine and fully operational.
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 |