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Stepper Motors

A stepper motor (also referred to as step or stepping motor) is an electromechanical device achieving mechanical movements through conversion of electrical pulses. Steppers are unlike conventional electric motors in that they do not rotate continuously, nor do they operate off of a continuous applied voltage. Rather, they are driven by digital pulses, which cause them to rotate or step in fixed, angular increments. One important aspect of stepper motors is the lack of feedback to maintain control of position, which classifies stepper motors as open-loop systems. This open-loop configuration is what makes stepper motors susceptible to stalling or resonance issues. Stepper motors are recommended for applications where cost and maintenance are issues. They provide precision and flexibility, and if run within their specifications, do not require an encoder. For more information on Stepper motors, view our Stepper Motor Guide.

Anaheim Automation offers a large line of stepper motors, available in square or round-bodied, IP65, and permanent magnet types. Ranging in sizes from NEMA 08 to NEMA 42, our stepper line provides up to 5,700 oz-in of torque.

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Motor Type


Frame Size
Holding Torque

Motor Length (in)