Limit Switch Operating Heads - Plunger Actuated: Type - Limit Switch Head and Operator; Head/Operator - Top Push Roller; Operator Configuration - Standard; Head Action - Spring Return, Standard; Operating Force - 1.47N OF; Pre-Travel - Travel To Operate - 15 deg PT; Operating Temperature - min - 14 deg F (-10 deg C); Operating Temperature - max - 158 deg F (70 deg C); Manufacturer Series - D4C