Auxiliary Contactor Circuit Diagram. Some contactors provide an auxiliary output contact as a signal to the isolated part of the circuit that the contactor has been energized. Note that one one of the contactor acts as a switch for the start button.
Contactor Wiring Diagram With Timer Diagram Diagramtemplate Diagramsample Well Pump Pressure Switch Wire Diagram from www.pinterest.com
Check for an auxiliary output contact. In the diagram i connect the incoming three phase supply l1 l2 l3 to the mccb circuit breaker molded case circuit breaker. A simple circuit diagram.
Here the l1 is connecting to both contactors first terminal.
These contacts are available in every contactor but these auxiliary contacts in different types just lick normally close and normally open which can set or fit on the contactor motor stater and person can use it for different types of works. One contactor may have several auxiliary contacts either normally open or normally closed if required. Effectively looking the start button closed. Note that one one of the contactor acts as a switch for the start button.