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| 15 kV | 25 kV | 35 kV | |
| Maximum design voltage |
15.5 | 27 | 38 |
| BIL |
95 | 125 | 150 |
| 1-minute withstand switch* and terminators |
35 | 60 | 70 |
| Continuous current, amps |
600 | 600 | 600 |
| Load switching, amps |
600 | 600 | 600 |
| Momentary current 10 cycles, amps (asym.) |
20,000 | 20,000 |
20,000 |
| 1 sec., amps (sym.) |
12,500 | 12,500 |
12,500 |
| Fault making (sym./asym.), kA |
12.5/20.0 | 12.5/20.0 |
12.5/20.0 |
| Interrupting rating**, (kA) |
50 | 20-50 | 12.5-50 |
| * The withstand rating of the switch is higher than that of the connectors (IEEE Std C37.74™-2003 standard) |
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| ** Interrupting rating for fused units depends on the selected fuses and the application voltage |
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