This Harmony 9001SK selector switch head, with a standard black handle, has 3 positions and operates with a stay-put mechanism. It has a chromium-plated metal bezel. It is easily installed into standard 30mm diameter panel cut-outs and connected to control circuits with classic screw-clamp connections. It is impact-resistant, dust-resistant, water-resistant, and vibration-resistant thanks to its NEMA 1/2/3/3R/4/6/12/13 ratings. It complies with many international standards and certifications, such as CE, CSA LR24590 class 3211 03, and UL listed file E42259 CCN NKCR. A dedicated contact block needs to be purchased separately. Harmony 9001K is a range of heavy-duty chromium-plated metal pushbuttons, selector switches, pilot lights, and specialty operators.