EAO Series 61 Modular Switch Range – EAO 61-9028.0, The EAO Series 61 features a non-illuminated black plastic lever.Comprehensive and versatile. EAO offers the modular and recognised Series 61, a versatile and modular switch range for complex industrial applications.Whether for applications with high temperature variations or mechanically demanding environments, the versatile Series 61 is always the first choice. Due to Series 61 modular construction and full selection of functions, you will find the right solution for your industrial application. EAO 61-9028.0 Series 61 Rotating Knob Black D18 Plastic