This Harmony 9001SK, selector switch with a standard black handle has 2 positions and operates with a stay-put mechanism. This selector switch is equipped with one normally open (N/O) contact. 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 IP66 rating, making it ideal for operation in harsh environments It complies with many international certifications, including CE, SA LR24590 class 3211 03 and UL-listed file E42259 CCN NKCR. Harmony 9001SK is a range of heavy-duty plastic pushbuttons, selector switches, pilot lights, and specialty operators. The Harmony 9001SK units, with a double insulated bezel, are designed for applications requiring high resistance to corrosion.