DOL Starter

DOL Starter App

The Direct Online Starter or DOL starter series is usually applied in the industrial world such as factories. Generally, DOL starters are used in engines or electro-motor capacities below 10kW. If the engine or electro motor is above 10kW, you can use a star delta starter or inverter circuit.

DOL Starter Working Principle

The DOL Starter circuit in general works directly providing a voltage of 380V AC on the electro motor so it is immediately full load to drive the electro motor. Through a circuit that has short circuit and overload security to protect an electro motor.

The recommended connection is delta but depending on the electro of the motor there is also a star connection.