This Eaton E50DL1 side-shaft rotary operating head is intended for use with an Eaton lever- or rod-type actuator, limit switch body, and receptacle (not included) to form a complete limit switch unit. The shaft has a low-force spring return, 15 degrees travel to operate contacts, and 90 degrees total travel. It has an operating temperature range of 10 to 200 degrees F (–12 to +94 degrees C). This rotary operating head is Underwriters Laboratories Listed (UL), Canadian Standards Association (CSA) certified, and European Conformity (CE) compliant for quality assurance and is suitable for use in plant and building automation systems.Eaton manufactures electrical, hydraulic, and mechanical power equipment, including the Moeller brand, and was founded in 1911 and is headquartered in Dublin, Ireland.