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 consummate isolation disconnect switch, is specifically engineered for deployment on 10(12, 15, 24)kV high voltage power transmission and distribution lines. Its primary function is to adeptly open and close single-phase or three-phase circuits without load, while voltage remains present, ensuring unmatched reliability and efficiency.
This switch is masterfully designed for single-phase applications within three-phase line systems, characterized by its uncomplicated architecture, cost-effectiveness, and unparalleled ease of operation. Offering a spectrum of rated currents including 200, 400, 600, 800, 1000, and 1250 amps, these switches comprise a robust base, sturdy post insulators, conductive components, and a meticulously crafted mechanical section. The gate knife structure, pivotal for circuit engagement and disengagement, features two conductive blades per phase, augmented by external compression springs on either side. By adjusting the spring height, the optimal contact pressure for the switch's gate knife is assured. Operation is facilitated through an insulated hook stick, complemented by a self-locking mechanism for enhanced safety.
Working Environment: Tailored for durability in diverse environments, this switch stands resilient.
Altitude not exceeding 1000 meters; ensuring reliable operation at significant elevations.
Ambient temperature: maximum not above +40°C; minimum not below -30°C; adeptly performs across a broad temperature range, promising functionality in various climates.
Outdoor wind speed not exceeding 35 meters/second; engineered to withstand high wind conditions with ease.
Seismic intensity not exceeding 8 degrees; the installation site should remain free from frequent severe vibrations, safeguarding operational integrity.
The installation site should remain uncontaminated by gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums, preventing compromise to the switch's insulation and conductivity.
Note: Essential considerations for optimal performance.
WHEN THE ABOVE NORMAL USE CONDITIONS ARE EXCEEDED, THE USER CAN NEGOTIATE WITH THE COMPANY. We stand ready to collaborate for enhanced solutions.
Installation, Use and Adjustment: Comprehensive guidance for seamless integration and operation.
Pre-installation work: Preparatory measures for optimal performance.
Check the following parts of the switch regularly every year for sustained performance:
Remove dirt from conductive parts, contact surfaces, and the surface of insulating porcelain bottles, maintaining pristine conditions.
Conduct thorough inspections for any damage, with special emphasis on the insulating porcelain bottle for integrity, free from damage and cracks.
Ensure the contact surface of the conductive part is pristine and intact, fostering reliable connectivity.
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 |