This Harmony XB5, plain lens modular blue pilot light is supplied with 24V AC/DC, uses an integral LED and screw clamp terminals. This pilot light, designed to last without maintenance for a bright indication of process and machine operations, is easily installed into standard 22mm diameter cut-outs and connected with simple screw-clamp connections. It is clearly distinguishable visually at a distance thanks to a bright and long lasting LED illumination. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66 / IP67 / IP69 / IP69K, making it ideal for operation in harsh environments. Its plastic bezel makes it ideal for applications requiring good resistance to chemical agents and/or double electrical insulation.