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Westlinghouse Transformer Rectifier Unit
28 Volts DC


The TRU-28 is a transformer rectifier unit designed for aircraft applications. It produces a regulated 28V DC output and can deliver a constant current of 600A with engine starting peaks of up to 2400A.

  • Low total input harmonic distortion

  • Digital display for current limiting adjustment

  • Energy-saving sleep mode that powers down the unit after no current draw for a pre-set time

  • Line drop compensation feature to adjust output voltage

  • IP55 protection for indoor/outdoor use

  • Includes input and output cables


Available to Buy or Hire

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