A star-delta starter wye- delta motor starter is a way of starting an induction motor by using 3 contactors 1 overload relay and 1 timer relay. ML 2 F at Rs 16500piece in Ahmedabad Gujarat.

It will start counting time after main contactor is energized. Star Delta Starter Motor Starter 1-20 products of 20 Bch 89-135 Amp Star Delta Starter NASAKLEN by Bch Rs. Timer T1 measures the time after which the winding connection of star delta starter is to be changed. So star contactor will only be energized if main contactor is ON, time output is not activated and delta contactor is not energized. Star contactor depends upon main contactor, normally close contacts of timer (T1), and normally close contacts of output delta contactor (Q3). A normally open input named (Q1) is added in parallel to the start button I1.īy doing so, a push button is created which means that once motor is started, it will be kept started even if start button is released Rung 2 Star contactor:

It means that Main contactor will only be energized if start button is pressed, while stop is not pressed and overload relay is not activated. The main contactor depends upon the normally open input start push button (I1), normally closed stop button (I2) and normally closed overload relay.

Siemens star delta starter