NEMA ICS 7.2-2021

Assists users in proper selection and application of alternate current (AC) adjustable speed drive systems. It covers AC electrical drive systems rated 600 V or less, consisting of three-phase induction motors, voltage-source pulse-width modulated adjustable frequency controls, and associated components. It also addresses common issues that should be considered in the selection of drive system components and the installation and application of the drive system.