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.

The AS480 is provided as standard on STAMFORD^® P0 and P1 alternators. To ensure your AS480 is genuine, purchase it from an authorised STAMFORD | AvK dealer.