Enclosed Switch - Plunger Actuated: Type - General Purpose Limit Switch; Rating - NEMA - NEMA 4; Head/Operator - Top Roller Plunger; Head Action - Spring Return, Standard; Poles/Contacts - SPDT 1NO 1NC; Current Rating - nominal - 100 mA; Operating Force - 3.60 lb 16.0N OF; Pre-Travel - Travel To Operate - 0.10 in 2.54 mm PT; Differential-Travel - Travel To Reset - 0.035 in 0.9mm DT; Over-Travel/Total-Travel - 0.18 in 4.5mm OT; Operating Temperature - min - -13 Deg F -25 Deg C; Operating Temperature - max - 185 Deg F 85 Deg C; Body Construction - Die Cast Zinc; Connection Type - Threaded Entry; Connection Size - 1/2 in NPT; Electrical Rating - VAC/DC - 100mA 50.0 Vac/Vdc; Additional Information - Listings: NEMA 1, 4, 12, 13, IP67; Manufacturer Series - GLS