Start Stop Circuit Contactor

Note that one one of the contactor acts as a switch for the start button.
Start stop circuit contactor. Basiclly you press start button which powers the coil which then pulls in the contactor once the contactor makes the feed from the stop button holds the coil in untill the stop button is pressed which breaks the circuit. Step by step procedure for the basic stop start control wiring and diagram on a magnetic contactor with nc and no push button switch and how does it works. When the coil is energized the circuit that the contactor is switching will be energized. A simple circuit diagram either of the two start buttons will close the contactor either of the stop buttons will open the contactor.
Common relay contactor set up utilising a start stop circuit fig 2. The most common use of 3 wire control is a start stop control.