This text addresses the fundamental principles and practical applications of electric motor control systems, a critical component in modern industrial operations. The sixth edition of Walter N. Alerich's work builds upon its established reputation by providing clear, concise explanations of motor control circuits, the hardware involved, their industrial applications, and essential troubleshooting techniques. The book emphasizes relay controls, which form the foundational elements of many motor control systems in manufacturing and processing environments.

This established textbook is recognized for its clear explanations and practical approach to electric motor controls, particularly its strong foundation in relay controls. Its structure, featuring short instructional units and extensive illustrations, is designed to facilitate learning for students and professionals alike. The inclusion of troubleshooting guidance further enhances its utility as a practical reference for those working with industrial motor control systems.