Star delta starter components calculator


Enter motor rating in KW:

 

Enter efficiency of the motor(in %):

 

Enter power factor of the motor:

 

Enter rated voltage of the motor:

 

 

Full load current of the motor will be =

 

Starting current of the motor will be =

 

Rating of the main and delta contactor(in amps) will be =

 

Rating of the star contactor(in amps) will be =