TGN22-12 Indoor high voltage isolation switch
Product overview
TGN22-12 disconnector is used for three-phase AC 50 Hz, rated voltage 12kV indoor device. For high-voltage equipment to switch on, cut off or switch lines without voltage and load.
Main technical parameters
|
Project |
Unit |
Date |
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|
Rated voltage |
kV |
12 |
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|
Rated frequency |
Hz |
50 |
||
|
Rated current |
A |
1600-2000 |
2500-3150 |
|
|
Rated short-time withstand current |
kA |
40 |
50 |
|
|
Rated peak withstand current |
kA |
100 |
125 |
|
|
Rated short circuit duration |
s |
4 |
||
|
Rated insulation level |
1min power frequency withstand voltage |
kV |
interelectrode 、Polar to ground42fracture 49 |
|
|
Lightning impulse withstand voltage (peak) |
kV |
interelectrode 、Polar to Ground75 fracture 85 |
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