AC motors can replace PMDC motors.

Press Release Summary:

MicroMAX(TM) line of low horsepower ac inverter duty motors are direct replacement for permanent magnet dc (PMDC) systems. Available in l/4 to 3 hp, C face motors have same mounting configuration as PMDC counterparts, including foot print, flange dimensions, shaft length, and diameter. They can be equipped with PWM scalar drive.

Original Press Release:

Marathon Electric Introduces "microMAX(TM)"

Marathon Electric, the premier AC Variable Speed motor manufacturer, has just introduced "microMAX(TM)", a line of low horsepower AC inverter duty motors which are designed as a direct replacement for permanent magnet DC (PMDC) systems. Available from stock in l/4-3 HP, these C face motors utilize the same mounting configuration as their PMDC counterparts: foot print, flange dimensions, and shaft length and diameter. Laboratory tests reveal superior performance, both in constant torque speed range as well as peak torque capability. When equipped with a PWM scalar drive, up to a 30% cost savings can be realized.

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