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Genuine Stamford Design
12 month warranty
Analog voltage regulator
Self Excited
CE Compliant
Worldwide stock
Tag Model
866
AS540

The AS540 is an analogue, 2-phase sensing, self-excited automatic voltage regulator (AVR) incorporating an interface for the optional auxiliary winding for improved motor starting performance and sustained short circuit current.

The AS540 is provided as standard with the STAMFORD® S0 and S1 range. To ensure your AS540 is genuine, purchase it from an authorised STAMFORD | AvK dealer.
 

Want to increase the life of your alternator, prevent costly downtime and increase uptime? Register for alternator maintenance reminders

 

AVR Flyer

Why buy genuine?

Genuine AVRs

  • Minimise risk of play and equipment failure
  • Maximise power supply security
  • Matched performance capability to ensure alternator stability
  • Tested to react in emergencies, triggering support protection systems
  • Peace of mind

     Download the STAMFORD | AvK AVR Information