Direct Online Wiring Diagram. The direct online or dol starter employs full voltage or across the line starting technique where the motor is directly connected to full voltage through mccb or circuit breaker and relays for overload protection. The r y b is the three phase 380 volts supply.
These two buttons i e. This diagram contains the complete wiring of a direct online starter. Direct on line semi automatic starting.
These two buttons i e.
Direct online starter dol diagram. Power contactor thermal overload relay for protection and stop and start push button. Wiring diagram operating principle and motor characteristic. A direct online starter consists of two buttons a green button for starting and a red for stopping purpose of the motor.
