475102515UB3 Stearns SINPAC Instant Reversing SwitchIR Series for Capacitor Start Motors Basic Operation Bidirectional motors those that can rotate in either direction are of two classes: 1. Reversing motors, which can change from full speed in one direction to full speed in the opposite direction. 2. Reversible motors, which can be reversed only when the motor is not running, or is running below cut out speed. Some motor manufacturers distinguish between quick reversing and instant reversing. A quick