Spares / Alternators and Spares / Leroy Somer Alternators and Spares / Leroy Somer AVR

R448 AVR for Leroy Somer

On Sale!
$1,210.00$770.00 inc GST

Bulk Pricing


The R448 Automatic Voltage Regulator or AVR for Leroy Somer is designed to fit LSA46.2 to LSA50.2 alternators with shunt and PMG exciter alternator systems. The R448 AVR is also suitable for paralleling alternators.

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

Free Shipping Within Australia! All of our AVRs are field type tested.



  • Leroy Somer have stopped manufacturing the LS branded R448 AVRs in France and they have superseded the R448 with the R450.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 AVRs for our customers, we now manufacture the R448 AVR without the LS Logo. Order Code NG-R448