Specials / MAXiAVRs

MAXiAVR R448 for Leroy Somer AREP or Shunt

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$1,210.00$605.00 inc GST($550.00 ex GST)

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  • Oil
  • Run-Up
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  • Ready to use as soon as you receive it
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The MAXiAVR R448 Automatic Voltage Regulator for Leroy Somer is designed to fit LSA46.2 to LSA50.2 alternators with Shunt or AREP Exciter alternator systems only.

NO PMG Option.

The R448 AVR is also suitable for paralleling alternators.

This unit also replaces FG Wilson Part 922-124 and CAT 922-124.

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All of our AVRs are field type tested.



  • Order Code NG-R448
  • Leroy Somer have stopped manufacturing the LS branded R448 AVRs in France and they have superseded the R448 with the R450. 
  • To maintain supply of new R448 AVRs for our customers, we now manufacture the R448 AVR with the MAXiAVR Logo.
  • Suitable For SHUNT and AREP Excitation only.  NO PMG Option.
  • Use R450 for PMG fitted Leroy Somer Alternators - Order Code NG-R450