Watertight Limit Switch, Hazardous Location, Full Switch (Head And Body), Adjustable Top Push Rod, 2 Circuits, Conduit Entry, 1/2 in. NPT, 46C Low Limit, 121C High Limit, Standard Contacts, Spring Return, Snap Acting, 1 Normally Open Contact, 1 Normally Closed Contact, Push Accuation, 3.5 lbs. Torque Force, Metal, NEMA 4, 1.9 mm Set Point, 0.8 mm