NEMA Sealed Limit Switch, Metal, Full Sw Head & Body, Standard Non Plug In, Top Push Roller, 1 Circuit, Conduit Entry, Spring Return, Push Accuation, 3.5 lbs., Snap Acting, Low Energy Contacts, Normally Open, 1 Normally Open Contact, 29C Low Temp Limit, 121C High Temp Limit, Not Direct Acting, 0.71 mm Reset Point, 1.75 mm Set Point, 1/2" NPT Thread