Allen-Bradley 854J-24TL4 Stack Light Module 24V

Allen-Bradley 854J-24TL4 is a 40 mm control-tower stack-light module designed for 24 V AC/DC operation. This steady-LED light module features a red lens color and is part of the 854J family of 40 mm stack lights that mount on Rockwell Automation control-tower bases. Operating from 24 V AC/DC, the TL4 module provides continuous, steady illumination to signal machine status in industrial panels. Used in assembly lines, packaging equipment, and process controls, it combines with other 854J color modules to form multi-color signaling stacks that indicate states such as running, stopped, or fault, at a glance. The compact 40 mm footprint delivers clear visibility without occupying excessive panel space, while standard mounting and electrical interfaces ensure straightforward integration with compatible Allen-Bradley signaling hardware.