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, expertly engineered for seamless functionality on 10(12, 15, 24)kV power transmission and distribution lines, serves as an isolation disconnect switch. This advanced device is perfect for managing single-phase or three-phase circuits, facilitating opening and closing without load amidst voltage presence.
Specially crafted for single-phase integration within three-phase line systems, this switch boasts a straightforward design, remarkable affordability, and user-friendly operation. Choose among rated currents of 200, 400, 600, 800, 1000, and 1250 amps. Ingeniously constructed, each switch comprises a robust base, durable post insulators, high-conductive parts, and an efficient mechanical section. Employing a sophisticated gate knife mechanism, the circuit is opened and closed with precision. Each gate knife phase is equipped with dual conductive blades, bolstered by external compression springs on each side. Fine-tuning the spring height ensures optimal contact pressure for the switch's gate knife. Operated with an insulated hook stick, this switch guarantees reliable opening and closing actions and incorporates a secure self-locking device.
Working Environment:
Altitude: Maximum not exceeding 1000 meters;
Ambient Temperature: Maximum up to +40°C; Minimum not below -30°C;
Outdoor Wind Speed: Not exceeding 35 meters/second;
Seismic Intensity: Must not exceed 8 degrees; the installation site should ideally avoid frequent severe vibrations.
The setup location must be devoid of gases, chemical residues, salt mist, dust, dirt, or any explosive or corrosive elements that could severely impact the switch's insulation and conductivity.
Note:
WHEN NORMAL USE CONDITIONS ARE EXCEEDED, USERS MAY CONSULT THE COMPANY FOR SPECIAL ARRANGEMENTS.
Installation, Use and Adjustment
Pre-installation work
Conduct annual inspections of the following switch components:
Ensure removal of any dirt from conductive parts, contact surfaces, and insulating porcelain bottle surfaces.
Inspect all parts vigilantly for damage, with particular emphasis on identifying any damage or cracks on the insulating porcelain bottle.
Verify that the conductive parts' contact surfaces maintain excellent condition.
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 |