Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Discover the innovative (H)GWBEB type outdoor high-voltage isolation switch, also referred to as an isolation disconnect switch. Expertly crafted for high voltage power transmission and distribution lines ranging from 10(12, 15, 24)kV, this switch excels in seamlessly opening and closing single-phase or three-phase circuits while maintaining voltage presence. Experience unmatched reliability and precision with our state-of-the-art design.
The switch is tailored for single-phase operation within three-phase line systems, boasting a straightforward design that promises cost efficiency and user-friendly operation. It offers a versatile range of rated currents, including 200, 400, 600, 800, 1000, and 1250 amps. Comprising a sturdy base, resilient post insulators, high-conductivity parts, and an innovative mechanical section, this switch integrates a gate knife structure for circuit activation. Each phase's gate knife features dual conductive blades and external compression springs, allowing for adjustable spring height to ensure optimal contact pressure. Operated with an insulated hook stick, it includes a reliable self-locking mechanism for secure operation.
Working Environment:
Engineered for altitudes not exceeding 1000 meters,
This switch thrives in ambient temperatures with a maximum of +40°C and a minimum of -30°C,
Tested to withstand outdoor wind speeds up to 35 meters/second,
Designed for a seismic intensity not surpassing 8 degrees, ensuring stability in sites devoid of frequent intense vibrations.
The installation environment should be free from gases, chemical deposits, salt mist, dust, dirt, or any other explosive or corrosive mediums that might compromise the switch's superior insulation and conductivity.
Note:
SHOULD THE STANDARD OPERATING CONDITIONS BE EXCEEDED, WE INVITE YOU TO DISCUSS YOUR SPECIFIC NEEDS WITH US FOR A BESPOKE SOLUTION.
Installation, Use and Adjustment
Pre-installation Work
Conduct an annual inspection to maintain optimal performance, focusing on:
Removing any dirt accumulation from conductive parts, contact surfaces, and insulating porcelain bottles to preserve electrical integrity.
Thoroughly inspect all components for damage, prioritizing checks on the insulating porcelain bottles for any signs of damage or cracking.
Assess the condition of the contact surfaces within the conductive parts to ensure they remain in 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 |