TruePower Electronic Stepless Speed Controller, Variable AC Motor Rheostat (Brush-type Only)
On/Off/variable rocker switch, dial speed adjustment. Allows you to vary the speed of tools using a brush type universal motor. Will not work on induction, shaded pole, soft/slow start, or brushless type motors. # Line cord: 6 feet, 3 wire double insultated, 18 AWG UL listed # Dim: 4-3/8" L x 2-9/16" W x 2-3/4" H
> Controls speed of brush-type motor only, such as electric drill.
> If motor has replaceable carbon brushes it will work. (brushes will emit sparks at contact point)
> Not designed for induction, shaded pole, soft/slow start, or brushless type motors.
> If your motor uses no carbon brushes this item will NOT operate the speed.
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