Basic Limit Switch - Plunger Actuated: Type - Basic Limit Switch; Head - Roller Lever; Head Action - Spring Return, Standard; Poles/Contacts - SPDT 1NO 1NC; Current Rating - nominal - 15A; Force to Operate - 3.52 oz (0.98N) OF; Pre-Travel - max - 0.29 in (7.5mm) PT; Over-Travel - 0.157 in (4mm) OT; Contact Rating - 15A 250VAC (VDC Rated); 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, Lever Type Hinge; Manufacturer Series - Z Series