Allen-Bradley 855T-B10FN4 is a 70 mm control-tower light module that flashes incandescent red when supplied with 120 VAC, housed in a black enclosure and fitted with a red lens. As part of the 855T signaling family, it serves as an indicator light assembly for industrial equipment, providing visible signaling for status, warnings, or process events on control panels or stack-light assemblies. Key specs include flashing incandescent illumination, 120 VAC operation, 70 mm module size, black housing, red lens. Suitable for retrofit or new installations of Allen-Bradley signaling towers, it is used where a reliable red flashing indicator is needed to draw operator attention.
