Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Introducing the (H)GWBEB type outdoor high-voltage isolation switch, also recognized as an isolation disconnect switch. This innovative solution is meticulously engineered for seamless integration with 10(12, 15, 24)kV high voltage power transmission and distribution lines. Designed to efficiently open and close single-phase or three-phase circuits without any load but in the presence of voltage, it ensures a flawless operation in your power systems.
Crafted for precision, the switch is ideally suited for single-phase applications in three-phase line systems. It boasts an elegant design characterized by a simple structure, affordability, and user-friendly operation. The range of available rated currents includes 200, 400, 600, 800, 1000, and 1250 amps, catering to diverse needs. The switch's construction integrates a base, post insulators, conductive parts, and a mechanical section, all meticulously assembled. The gate knife structure facilitates the opening and closing of circuits with finesse. Each phase's gate knife integrates twin conductive blades, complemented by robust external compression springs on either side. By expertly adjusting the spring height, the switch achieves optimal contact pressure for the gate knife, ensuring reliability and performance. Executed with an insulated hook stick, the switch's opening and closing actions are smooth and efficient, further enhanced by a self-locking device that adds a layer of security.
Working Environment:
Designed for optimum performance at altitudes not exceeding 1000 meters;
Temperature resilience: maximum ambient temperature not above +40°C; minimum not below -30°C;
Engineered to withstand outdoor wind speeds not exceeding 35 meters/second;
Can tolerate seismic activities with an intensity not exceeding 8 degrees; ideally situated in locations devoid of frequent severe vibrations.
The installation environment should be free from gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive media that could adversely affect the switch's insulation and conductivity.
Note:
WHEN NORMAL USE CONDITIONS EXCEED THESE PARAMETERS, USERS ARE ENCOURAGED TO CONSULT WITH THE COMPANY FOR TAILORED SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Annual inspection checklist: Ensure all components of the switch are thoroughly checked each year for optimal performance:
Diligently remove all dirt from conductive parts, contact surfaces, and the insulating porcelain bottle's surface.
Conduct a thorough inspection of all parts for potential damage, with special attention to the insulating porcelain bottle for any signs of damage or cracks.
Verify that the contact surface of the conductive parts maintains excellent condition and 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 |