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While their low starting current and high operating efficiency eliminate the need for three-phase power in many applications, Written-Pole® single-phase motors also compare favorably to premium efficiency three-phase motors in many areas. In fact,

Single-phase motors often go beyond three-phase performance, enhancing the system’s performance by reducing starting current requirements to levels below that of three-phase motors and eliminating the need for reactive power through their unity power factor operation.

Written-Pole® motors are constructed with materials and manufacturing methods similar to those used in premium efficiency three-phase motors. These time-proven practices ensure that Written-Pole ® single-phase motors are designed to operate reliably for many years.