The Allen-Bradley 855B-GMS24R3 Visual Signal Device is a panel-mount mini square beacon powered by 24V AC/DC, delivering a bright green signal for machine status and process alerts in industrial environments. Model code 855B-GMS24R3 denotes compatibility with UL Type 4/4X/13/3R enclosures, with the 3R and 13 enclosure references indicating Type 3R and Type 13 protection. Common applications include status indication on control panels, conveyors, and automated equipment where quick, high-visibility signaling is required. With a 24V AC/DC input and a green lens, it serves as a concise visual indicator built to endure industrial conditions.
