Contactor Operation Diagram. And connect to both magnetic contactors a1 a1 terminals. From the 2nd thermal overload relay normal close contacts the supply goes to both contactors coil contactsterminals.
The on off current of the auxiliary contact is small and the double break point bridge contact is often used. Symbol of contactor in the above picture a1 and a2 are terminals for control power supply or coil supply. Either of the two start buttons will close the contactor either of the stop buttons will open the contactor.
And the motor starts running.
A wiring diagram is a simplified traditional pictorial representation of an electric circuit. Operation depressing the start button energizes coil m hold in contacts m and maintains the circuit after the start button is released. What is a contactor. Contactors rev 4 16 prices and data subject to change without notice thecoil for contactor operation see wiring diagrams on page 3 17 auxiliary contacts each contactor may use one single or one double auxiliary contact block on each side of the base when installed on the left side the contacts are no when installed on the amine gas treating also known.