The Stamford AS540 is an analogue, two-phase sensing and self-excited automatic voltage regulator (AVR). Incorporating an interface for the optional auxiliary winding for improved motor starting performance and sustained short circuit current.
All genuine STAMFORD® AVRs have 12 month warranty as standard!
Details
STAMFORD AS540
The AS540 is provided as standard with the STAMFORD® S0 and S1 range.