Tag: DOL starter

Direct-on-line (DOL) Starter

Let’s consider an illustration of a typical three-phase direct-on-line (DOL) starter below:

Direct-on-line (DOL) starter
Figure 1 Three-phase direct-on-line starter

When the start button is pressed, the 415V contactor coil is energized, the main and auxiliary contacts close, and the motor starts. The … Read more