Basic Limit Switch - Plunger Actuated: Type - Basic Limit Switch; Head - Roller Plunger; Head Action - Spring Return, Standard; Poles/Contacts - SPDT 1NO 1NC; Current Rating - nominal - 15A; Force to Operate - 12.36 oz (3.43N) OF; Pre-Travel - max - 0.015 in (0.4mm) PT; Differential-Travel - max - 0.002 in (0.05mm) DT; Over-Travel - 0.141 in (3.58mm) OT; Contact Rating - 15A 250VAC (VDC Rated); Connection - Solder Terminal; Operating Temperature - -13 deg F (-25 deg C) to 176 deg F (80 deg C); Additional Information - Case Material: Thermosetting Resin, Panel Mount Bushing; Manufacturer Series - Z Series