Eaton Cutler-Hammer Retroreflector Sensors The Cutler-Hammer 6200 series of retroreflector sensors from Eaton provide an excellent sensing range and are used with reflex-type sensors. The high performance sensors are available in two types of retroreflective target material; corner cube and embedded glass bed. 2 types of retroreflective target material available Excellent sensing range 3” x 3” in size Eaton Sensors