Solutions for Transformer Manufacturers

RS 12 Series (With arcing contacts in oil)

OLTCs with vertical three phase arrangement for star and delta connected windings.

Rated currents (A):

  • 200 and 400

Rated voltage (kV):

  • 41,5; 72,5 and 123 - for star connected windings
  • 41,5 and 72,5 - for delta connected windings

Step voltage (V):

  • Up to 2500

Number of steps:

  • Up to 27

Selector switch insulation level:

  • L, M, N for single phase execution

The reverse and coarse change-over selector situated in pure transformer oil

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