A timer motor helps advance the dial in a compatible mechanical timer, and this Intermatic old-style version is a WG433-20D model for 208 to 277 volt applications using the same reference. Timer motors are useful because they provide the movement that keeps a mechanical timer synchronized with its intended schedule.This part has practical value because replacing the motor can restore the working function of an otherwise serviceable timer mechanism. A properly selected Intermatic motor helps preserve voltage compatibility and contributes to more dependable automatic timing in older timer assemblies.This type of part is especially useful when the original motor has stalled, failed, or no longer advances the dial at the proper rate. That helps restore schedule operation with a focused service replacement rather than a full timer changeout.Installed in the proper application, this timer motor helps support dependable dial advancement and stronger long-term timing reliability. Intermatic WG433-20D timer motor for 208 to 277 volt old-style timer applications Helps drive dial movement in compatible mechanical timers Useful when replacing a failed or inaccurate original timer motor Supports dependable schedule advancement and control performance Improves repair efficiency and timer reliability