A-B Rockwell Automation 802T-DTPD. Plug In Oiltight Limit Switch, Metal, 10 A Standard Energy, Top Push Roller, 4 Circuits, Conduit Entry, Low Energy, 24V DC @ 1.1A, 2 Normally Open Contacts, 2 Normally Closed Contacts, Standard Low Temprature, 18C, 110 C High Temp Limit, Snap Acting