- Contactor Switch-03
- Push Button (NC, NO) -03
- Overload -1
Procedure: First, draw the control circuit that comes for the star delta circuit. Then, set all the equipment and items for the control circuit. Check the control circuit with a multi-meter and give a power supply of 230V. Then draw the power circuit and check it with a multi-meter. Then connect it to the main power supply.
Activity: When S1 activates, K1 and K2 contactors start and switch the motor in the star mode. When S2 switches on, K2 contactor drops. Then, K1 and K3 contactors switch on and activate the motor in the delta mode.
Conclusion: Circuit activated correctly