This Harmony 9001K, illuminated selector switch, with a blue standard handle, has 2 positions and operates with a maintained mechanism. It is supplied with a voltage range of 24V to 28V AC/DC and features an LED as a light source. It is easily installed into standard 30mm diameter panel cut-outs. 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 standards and certifications, such as NEMA, UL 508, EN/IEC 60947-1, EN/IEC 60947-5-1, and EN/IEC 60947-5-4. Harmony 9001K is a range of heavy-duty chromium-plated metal pushbuttons, selector switches, pilot lights, and specialty operators.