Enclosed Switch - Plunger Actuated: Type - General Purpose Limit Switch; Rating - NEMA - NEMA 4; Head/Operator - Roller Lever; Head Action - Spring Return, Standard; Poles/Contacts - SPST 1NO 1NC; Current Rating - nominal - 10A; Operating Force - 2.9 lb (13.3N) OF; Pre-Travel - Travel To Operate - 5 deg PT; Over-Travel/Total-Travel - 40 deg OT; Operating Temperature - min - -14 Deg F (-10 Deg C); Operating Temperature - max - 176 Deg F (80 Deg C); Body Construction - Stainless Steel; Connection Type - Threaded Entry; Connection Size - 1/2"NPT; Electrical Rating - VAC/DC - 10A 250Vac; Manufacturer Series - WL Series