General Details
Leroy Somer R438 voltage regulator. Original product. The Leroy Somer R438 is an analog A.V.R. It is designed for alternators with a AREP or PMG excitation. R438 controls the excitation current in order to maintain the output voltage of the alternator. R438 is performant in terms of voltage regulation, simple to set , to use and is reliable. It can run without LAM (U/f), or with LAM, selection is done by strap ST5.
Technical Details
  • Dimensions: 145 x 130 x 50
  • Weight: 625g
  • AC/DC: AC
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