When it's time to replace the manual power switch on a single phase or 3-phase motor, Grainger has hundreds of reversing and non-reversing motor switches and motor starters to choose from. Typically used to manually operate power saws, pumps, fans, and small machinery in construction and industrial settings, a motor starter has built-in overload protection, while a motor switch does not. Choose a manual power switch based on voltage, amps and NEMA ratings at Grainger.