Basic Switch - Plunger Actuated: Type - Basic Limit Switch; Head - Roller Lever; Operator Configuration - Hinge; Head Action - Spring Return, Standard; Poles/Contacts - SPDT 1NO 1NC; Current Rating - nominal - 15A; Force to Operate - 6.00 oz 1.67N OF; Pre-Travel - max - 0.122 in 3.1mm PT; Differential-Travel - max - 0.02 in 0.51mm DT; Over-Travel - 0.09 in 2.4mm OT; Contact Rating - 15A 250VAC; Connection - Screw Terminal; Connection Configuration - M4x1; Operating Temperature - -13 deg F -25 deg C to 176 deg F 80 deg C; Additional Information - Contact Gap 0.5mm, Material of Case: Thermosetting Resin; Manufacturer Series - Z Series