| Number of phases | : 3 |
| Max. Rated through current | : 100/200 A |
| Rated short – time current | : 2 kA |
| Rated duration of short – circuits | : 2 sec |
| Rated peak withstand current | : 5 kA |
| Max. Rated step voltage | : 900V |
| Max. No. of operating position | : 9 |
| Highest voltage for equipment Um | : 12 kV/36 kV |
| Rated withstand voltage and BIL | : 110 kVp/200 kVp |
| Rated frequency | : 50 Hz / 60 Hz |
| Operating temperature with transformer oil | : -25° C to +105° C |
| Permissible absolute pressure during operation | : 0.7 — 1.4 bar |
| Service life | : 250,000 switch operations |
| Max. No. Of tap change operation | : 500,000 |
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