General Purpose AC Motors

NEMA 56 frame three-phase general purpose AC motors have a standard 5/8″ diameter, 1-7/8″ length shaft whose center is 3-1/2″ above the base mounting surface. Variations to the frame’s standard dimensions and design are indicated by a letter designation following the frame number, such as 56HZ or 56C. The letter ?H? indicates that the frame has a set of mounting holes at 3″ and 5″, ?Z? indicates that the frame has a nonstandard shaft, and ?C? indicates that the motor can be face mounted. These frame standards and letter designations are defined by the National Electrical Manufacturers Association (NEMA).

IEC 80 frame three-phase IEC metric general purpose AC motors have a 19mm diameter, 40mm length shaft whose center is 80mm above the base mounting surface. They are commonly used in countries outside the U.S. to power compressors, conveyors, fans, and pumps that require International Electrotechnical Commission (IEC) electrical standards.

IEC 80 frame three-phase IEC metric general purpose AC motors have a 19mm diameter, 40mm length shaft whose center is 80mm above the base mounting surface. They are commonly used in countries outside the U.S. to power compressors, conveyors, fans, and pumps that require International Electrotechnical Commission (IEC) electrical standards.

IEC 90 frame three-phase IEC metric general purpose AC motors have a 24mm diameter, 50mm length shaft whose center is 90mm above the base mounting surface. They are commonly used in countries outside the U.S. to power compressors, conveyors, fans, and pumps that require International Electrotechnical Commission (IEC) electrical standards.

IEC 90 frame three-phase IEC metric general purpose AC motors have a 24mm diameter, 50mm length shaft whose center is 90mm above the base mounting surface. They are commonly used in countries outside the U.S. to power compressors, conveyors, fans, and pumps that require International Electrotechnical Commission (IEC) electrical standards.