Allen-Bradley 855B-GMS24R3 Mini-Square Beacon

The Allen-Bradley 855B-GMS24R3 Mini-Square Beacon is a 24 V AC/DC Xenon strobe beacon with a green lens and gray polycarbonate housing. Part of the 855B signaling family, it uses a 5 joule Xenon lamp and a Fresnel lens for a compact, highly visible flash at 1 Hz. It operates on 24 V AC/DC, 50/60 Hz (±20%), with a current draw listed as 0.365 mA at 24 V AC, and a Xenon strobe rated at 5 J. The unit’s housing and lens are polycarbonate, with a gray housing and green lens. Its dimensions are 86 mm high, 86 mm wide, and 83 mm deep. It carries IP66 ingress protection and NEMA ratings of 4, 3R, 4X, and 13, and is rated for operation down to -25 °C. This compact mini-square beacon is designed for industrial signaling on machinery, panels, and safety/alarm circuits, offering a bright, flashing indication from a compact footprint when 24 V signaling is required.