Some motor starter diagram
A starter (or Direct On Line starter or across the line starter) is a method of starting of a 3 phase induction motor. In Starter an induction motor is connected directly across its 3-phase supply, and the starter applies the full line voltage to the motor terminals. Despite this direct connection, no harm is done to the motor. A motor starter contains protection devices, and in some cases, condition monitoring. A wiring diagram of a starter is shown below:
Start 1 direction of rotation
Start 2 direction of rotation
Start Star-Triangle 1 direction of rotation
Start Star-Triangle 2 direction of rotation
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