30A AC Contactor 3 Poles, Aux NO NC Coil 110/120 Volts, Lighting 32A, Motor 18A, 20A 3phase

welcome to GTV today I will be showing you how to wire up axillary contacts on a contactor there are many different manufacturers of contactors that have exhilarate contacts as an accessory the two most common are the side mount and the front mount axillary contact some contactors may also have auxilary contacts already integrated into the body for example a 4-pole contactor has three connections for the line-in and a fourth connection to serve as an extra contact on the axillary contacts there should be an indication for an O or NC this stands for normally open or normally closed these contacts allow for extra connections to the coil of the contactor and can make wiring easier the side mount auxiliary contact can mount here one side of the axillary contact can be wired to a power supply an existing powered application or the contactors coil using this light connected to my auxiliary co