Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Presenting the (H)GWBEB type outdoor high-voltage isolation switch, a marvel in isolation disconnect technology. Specifically engineered for 10(12, 15, 24)kV high voltage power transmission and distribution lines, this switch excels at opening and closing single-phase or three-phase circuits. It operates safely without load but with voltage, ensuring reliability and safety in demanding high-voltage environments.
Designed for single-phase use within three-phase line systems, this switch exemplifies simplicity, cost-effectiveness, and user-friendliness. Available in rated currents of 200, 400, 600, 800, 1000, and 1250 amps, it is composed of a base, post insulators, conductive parts, and a precision mechanical section. A sophisticated gate knife structure assists in circuit operations, with each phase's gate knife featuring twin conductive blades and external compression springs. By adjusting the spring height, optimal contact pressure is achieved. The switch operation is facilitated by an insulated hook stick, complemented by a reliable self-locking mechanism.
Working Environment:
The switch is built for altitudes not exceeding 1000 meters;
Ambient temperature must not exceed +40°C and should not fall below -30°C;
The system is designed to withstand outdoor wind speeds up to 35 meters/second;
Seismic resilience is rated up to 8 degrees; installation sites must avoid frequent intense vibrations.
Installation sites must be free of gases, chemical deposits, salt mist, dust, dirt, and other explosive or corrosive substances that adversely impact switch insulation and conductivity.
Note:
SHOULD CONDITIONS EXCEED THE NORMAL PARAMETERS, USERS ARE ENCOURAGED TO CONSULT WITH THE COMPANY FOR CUSTOM SOLUTIONS.
Installation, Use, and Adjustment
Pre-installation Work
Perform an annual inspection of the following switch components:
Remove accumulated dirt from conductive parts, contact surfaces, and insulating porcelain bottles to maintain high conductivity and performance.
Inspect all components for potential damage, with particular focus on the insulating porcelain bottle for any damage or cracks.
Ensure that the contact surface of the conductive part maintains excellent condition for optimal workflow.
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 |