Equipment bushings are moulded epoxy insulated parts for use in equipment insulated parts for use in equipment insulated with oil fluid or gas insulated, typically for transformers, switch gear, capacitors...
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Short circuit ratings
| Interface type |
Contact type |
Current rating (A) |
RMS symm. (kA) | Peak asymm. (kA) |
Voltage Um (kV) |
||
| 1 sec. | 2 sec. | 3 sec. | |||||
|
A1 B1 B2 C1 C2 D1 D2 E1 E2 F1 F2 F3 |
Pin and socket Pin and socket Pin and socket Bolted Bolted Bolted Bolted Bolted Bolted Bolted Bolted Bolted |
250 250 400 630 1250 800 1250 800 1250 2500 630 1250 |
12.5 12.5 16.0 28.0 75.0 50.0 75.0 50.0 75.0 - 28.0 75.0 |
9.0 9.0 11.3 19.7 53.0 35.3 53.0 35.3 53.0 - 19.7 53.0 |
7.5 7.5 9.2 16.1 43.3 28.8 43.3 28.8 43.3 - 16.1 43.3 |
31 31 40 70 >150 125 >150 125 >150 - 70 >150 |
24 36 36 36 36 24 24 36 36 36 52 52 |
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