Allen-Bradley 855E-24DN3 Green Stack Light Module

Allen-Bradley 855E-24DN3 Green Stack Light Module is a 50 mm control-tower signal light designed for panel mounting to provide a clear green visual indication on industrial equipment. The DN3 code identifies a steady incandescent lamp with a green lens, and the module operates from 24 V AC/DC full voltage, aligning with Rockwell's 24 V signaling configurations. As part of the 855E/855T signaling family, this light module is designed to be combined with other color modules to form a multi-color stack light for machine status monitoring on production lines or control cabinets. Common applications include signaling operational status on conveyors, packaging lines, automated machinery, and robotic cells where a reliable green indicator helps operators quickly assess a system's state. Built for industrial environments, the 855E stack-light architecture supports straightforward interchangeability of lamp modules within the tower to tailor signaling to specific workflows.