The Q8F3BXXY12E is an Ø8 mm panel mount LED indicator from the Q8 series, designed for visual status indication in industrial control panels and equipment. It features a 5 mm colored diffused epoxy lens with a viewing angle of 30–100° and is available in prominent, recessed, and flush bezel styles with plated brass or stainless steel 316L construction. The indicator is equipped with M8x0.75 thread mounting, 2.8 x 0.8 mm solder lug/faston terminals, and operates across a temperature range of -40 °C to +85 °C (rear epoxy body) with an IP67 sealing option per EN60529. It delivers a life expectancy of 100,000 hours, a maximum reverse voltage rating of 5 V, and an insulation resistance of 4,000 MO at 500 VDC. This indicator is ideal for applications requiring reliable, long-life visual feedback in harsh environments, including machinery control, process monitoring, and industrial automation systems.