Motor Control Circuit Explained – Start/Stop Push Button with Contactor & Overload Relay Understanding motor control circuits is one of the most important skills for electricians, technicians, and automation engineers. This diagram shows: Start (NO) Push Button Operation Stop (NC) Push Button Operation Contactor Self-Holding (Seal-in) Circuit Overload Relay Protection Power Circuit & Control Circuit Separation Safe Motor Starting and Stopping Logic Whether you’re preparing for interviews, working on PLC projects, or troubleshooting motors in the field, mastering these fundamentals will make your job much easier. Save this post for future reference. Can you explain how the self-holding contact works? Comment below. Share with your friends and colleagues in electrical and automation industries. Post navigation How Does a Transformer Work? Is Your kWh Meter Showing the Wrong Reading?
