A simple circuit diagram either of the two start buttons will close the contactor either of the stop buttons will open the contactor.
Stop start contactor diagram.
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.
A wiring diagram is a simplified conventional photographic representation of an electric circuit.
A wiring diagram is a simplified traditional pictorial depiction of an electric circuit.
Note that one one of the contactor acts as a switch for the start button.
It reveals the elements of the circuit as simplified forms and also the power and signal links between the gadgets.
Assortment of contactor wiring diagram start stop.
See image below for an example of 3 wire control being used to pull in a contactor to start a 3 phase motor.
When you press the start button and the stop button is not pressed the 24vdc relay energizes and it pulls in the r1 contactor that feeds three phase power to the motor.
Collection of 3 phase contactor wiring diagram start stop.