How to wire up an auxiliary contact on a contactor presented by katie nyberg for galco tv. The auxiliary contact is often used in a relay logic circuit or for some other part of the motor control scheme typically switching 120 volt ac power instead of the motor voltage.
Industrial Electronics Troubleshooting Devices Symbols And
Auxiliary contactor wiring diagram. Check for an auxiliary output contact. Some contactors provide an auxiliary output contact as a signal to the isolated part of the circuit that the contactor has been energized. Instead it should be rated at 120 volts ac. Abbs contactor relays offering features products of technological advancement as well as products with specific purposes. Nf contactor relays allow use in all parts of the world and in all network conditions. We will use a contactor an auxiliary contact block an overload relay a normally open start pushbutton a normally closed stop pushbutton and a power supply with a fuse.
Buy the items featured in this video at 800 337 1720 or visit. The following diagram depicts 3 phase non reversing motor control with 24 vdc control voltage and manual operation. Direct on line starter protected by manual motor starter english. Helloi have a 5hp 380 volt 3 phase motor that bends reinforcing barsit had 3 contactors wired to it one energised when power was put on and the other two were for toward and reverse with the overload connected in the bottomits set at 9 amp overloadi purchased this motor in auction and all the wires are missing and the contactors are not workingi want to replace all the contactors. One contactor may have several auxiliary contacts either normally open or normally closed if required. Contactor relays for auxiliary circuit switching.
This auxiliary contact will not be rated at the higher voltage.
Gallery of Auxiliary Contactor Wiring Diagram
