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Stamford AS480 AVR

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$464.20$407.00 inc GST($370.00 ex GST)
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The AS480 is an analogue, 2-phase sensing, self-excited automatic voltage regulator (AVR) incorporating an interface for the optional Excitation Boost System (EBS) for improved motor starting performance and sustained short circuit.

All genuine STAMFORD® AVRs have 12 month warranty as standard!



Self Excited Automatic Voltage Regulator. The AS480 is provided as standard on STAMFORD® P0 and P1 alternators.


  • Voltage regulation  +/-1.0%
  • Self excited AVR
  • Suitable frequency 50/60 Hz
  • Field Output: 82 VDC, 5 A
  • Under frequency roll off  (UFRO)
  • Over voltage detection - set point 67VDC6