NEMA Publishes 2014 Specification for Energy-Efficient Motors

The National Electrical Manufacturers Association (NEMA), Rosslyn, Va., published NEMA Premium 2014 General Specification for Consultants, Industrial and Municipal: NEMA Premium Efficiency Electric Motors.

This specification outlines the minimum requirements for three-phase AC induction motors applied to municipal and industrial applications for operation on voltages 5,000 volts or less, rated 2,500HP or less, operating more than 2,000 hours per year at more than 75% of full-load.

This latest edition of NEMA Premium 2014 includes revised and updated efficiency tables appearing in NEMA MG 1-2014. It may be downloaded at no cost or purchased in hardcopy for $49 on the NEMA website.