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EK24 Gas Insulated load break switch
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No. |
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Unit |
Parameters |
|
1 |
Rated voltage |
kV |
12 |
24 |
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2 |
Rated frequency |
Hz |
50/60 |
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3 |
Rated current |
A |
630 |
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4 |
1min Power frequency withstand voltage |
Common value |
kV |
42 |
50 |
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Across insulate distance |
kV |
48 |
60 |
|
5 |
Lightning impulse withstand voltage |
Common value |
kV |
75 |
125 |
|
Across insulate distance |
kV |
85 |
145 |
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6 |
Rated short circuit breaking current (peak) |
kA |
63 |
50 |
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7 |
Rated active load and close circuit breaking current |
A |
630 |
630 |
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8 |
Rated transferring current |
A |
1700 |
1000 |
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9 |
kA |
63 |
50 |
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10 |
Rated cable charge breaking current |
A |
50 and 10 |
50 and 10 |
|
11 |
Cable charge breaking current in earthing malfunction |
A |
20 |
20 |
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12 |
Rated withstand current (peak) |
kA |
63 |
50 |
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13 |
Short time withstand current (2s) |
kA |
25 |
20 |
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14 |
Mechanism life |
Times |
5000 |
2000 |
General Description
EK-24, an indoor high-voltage SF6 load switch and an switchgear with the rated voltage of 12kV/24kV, is adopted with SF6 gas as an arc-extinguishing and insulation medium, including the three working positions for switching-on, switching-off and to-ground, and is characteristic in its small volume, its convenient installation and operation, and its the great adaptability with surroundings, speically for outdoor type cable cabinets
EK24 of an indoor high-voltage SF6 load switch is in conformity with the standards of GB3804-1990, IEC60256-1(1997),GB16926, IEC60420 etc.,
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