Medium voltage transformer
- Rated frequency 50 Hz
- Higher voltage adjusting range +/-2x2.5%
- Primary insulation level 1.1/3 V
- Secondary insulation level 24/50/95
- Connection symbol Dyn 11
- Star-neutral primary connection
- Delta secondary connection
- E2 environmental class
- C2 climatic class
- Fire behaviour F1
- Primary and secondary insulation class F/F
- Max. ambient temperature 40 °C
- Primary and secondary winding overtemperature 100/100 K
- Internal installation
- Natural air cooling type
- Short-circuit impedance at 75°C 6%
- Partial discharge level ≤ 10 pC

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