Allen-Bradley 855E-24DN6 Stack Light Assembly

Allen-Bradley 855E-24DN6 Blue 50 mm Stack Light Light Module is a 24 V AC/DC, full-voltage indicator designed for use with Control Tower Stack Light assemblies. This 50 mm module houses a steady incandescent lamp and features a blue lens, delivering a durable, high-visibility signal for industrial control panels and machinery in manufacturing environments. As part of the Allen-Bradley 855E family, it is intended to be paired with compatible stack-light components to build multi-color signaling towers for machines, conveyors, presses, and other automation equipment, with a compact footprint that fits standard 50 mm signaling mounts and field interconnections for straightforward retrofit or replacement in existing cabinets. Originating in Austria, the 855E-24DN6 is identified by the 855E part number and is activated by a 24 V AC/DC supply, making it suitable for 24 V control circuits commonly found in industrial automation. Approved for standard industrial signaling use, this blue 50 mm module complements other color options to create scalable visual indicators across multi-station automation lines.