Potentiometer V.R-3 is a panel setting device for a maximum wattage ratting upto 3 watt with number of layers driven with a single shaft.
V.R-3 has been a major application for galvanic isolation between systems, Synchronizing of more than one system, Low wattage A.C system Auto transformer ( maintaing magnitude and Phase difference between R,Y and B Phase), To have different potentiometer for indication and display purpose.