The Furnas 49AAFO Auxiliary Interlock Kit is designed for use with Ser. C units in the Innova Plus series. It features a SPST-NO contact configuration and comes packaged in a bag, including 1 kit in the package. This kit provides an interlock function for the unit, ensuring smooth and efficient operation. Suitable for use in contactors and other electrical equipment, this auxiliary interlock kit is a reliable choice for various industrial applications.