Overview
The Allen-Bradley 855T-B24TL3 is a 70 mm modular stack light module designed for the Bulletin 855T Control Tower system. This steady LED lamp module operates on 24V AC/DC and provides clear, green visual indication for industrial equipment status signaling. The unit combines reliable LED technology with durable construction suitable for factory automation, assembly lines, and process monitoring environments.
Key Features
- Steady Green LED — Signals normal operation, “run,” or “safe” machine conditions with constant illumination
- Long Service Life — LED technology rated for up to 100,000 hours of operation, minimizing replacement needs
- Compact 70 mm Design — Socket-mount module fits standard 855T tower bases and pole bases without tools
- Industrial Ratings — NEMA 4X and IP65 certified, protecting against dust and water ingress
- Dual Voltage Input — Operates on both 24V AC and 24V DC for flexible system integration
Technical Specifications
The module meets strict industrial standards and incorporates proven LED lamp technology optimized for long-term reliability in manufacturing and material handling applications.
Typical Applications
- Manufacturing and assembly equipment status indication
- Bottling, packaging, and material handling system monitoring
- Automated warehouse and logistics process signaling
- Multi-status control tower configurations
- Equipment run/stop and condition indication
Compatibility & Replacements
Note: This product was discontinued by Rockwell Automation as of October 1, 2019. The functional replacement is the 856T-BT3 model. The 855T-B24TL3 remains available in the surplus and refurbished market and is compatible with all standard 855T tower base assemblies (855T-BSB, 855T-BCB) and pole-mount bases (855T-BPM10, 855T-BPM25, 855T-BPM40). Module can be removed and replaced without tools for system reconfiguration.
