Enhance your Cutler Hammer contactor system with the XTCEXFAC40 auxiliary contact. This accessory provides additional functionality to your motor starters, ensuring reliable operation and expanded control capabilities for your industrial applications..The Cutler Hammer XTCEXFAC40 is a front-mounted auxiliary contact designed for use with contactors and motor starters. It features 4 normally open (NO) contacts and has a current rating of 16A. This accessory is compatible with A-frame and B-C frame contactors, offering sequential auxiliary contact functionality.