The 82-6551.0133 is a 22 mm illuminated indicator designed for human-machine interface applications, featuring a round aluminium bezel with flush mounting and green ring illumination. It provides AC switching ratings up to 240 VAC at 3 A and DC switching ratings up to 220 VDC at 0.5 A according to IEC 60947-5-1, with an operating voltage of 12 V AC/DC and operation current of 7 mA. The indicator is housed in an aluminium lens with opaque optics, offers IP65/IP67 front protection, and operates reliably across a temperature range of -30 °C to +70 °C with an electrical lifetime of 50,000 cycles. Its compact design with Ø 25 mm front dimension and Ø 22 mm mounting cut-out makes it suitable for panel integration in industrial control systems, machinery, and process automation equipment where status indication and operator feedback are essential.