In this post, we are going to know the details of each part of DOL Starter Diagram. All parts of the DOL starter Power Circuit Diagram and Control Circuit Diagram are explained. Direct Online Starter or DOL Starter is a very useful and commonly used AC Starter. DOL starters are mainly used with up to 5 H.P motors.. Direct on line Starter Fig. 1 (a) shows a typical direct on line starter called DOL starter suitable for a small squirrel cage induction motor consisting of a magnetic contactor and thermal overload relay and Fig. 1 (b) shows a schematic wiring diagram for its control circuit.
In this article, we are going to see the DOL Starter Connection and Wiring Diagram including the Thermal Overload Relay and indication circuits. DOL starter or Direct Online Starter is the most simple method to start a low-capacity three-phase motor.. Explore the working principle of DOL (Direct-On-Line) starter, detailed wiring diagram, components used, and key applications in motor control. Ideal for beginners and engineers preparing for interviews.