EAO 84-900, interlocking pin, plastic, for back protection IP67 of switching and illumination elements of EAO Series 84. Two plugs are necessary per element!
EAO 84-7111.x00, Lens transparent plastic Ø19.7mm, different colors, illuminative, for EAO 84 Series (mounting hole Ø 22.5 mm). Actuator and indicator or switching element not included!