Overview
The Allen-Bradley 855T-G24DN4 is a 70mm control tower stack light module designed for industrial signaling and machine status indication. This red steady incandescent module is part of the modular 855T Bulletin series, allowing flexible stacking and customization of visual signaling stations. Operating at 24V AC/DC, the unit integrates seamlessly into control tower assemblies and machine-mounted signaling applications throughout manufacturing, packaging, assembly, and warehouse environments.
Key Features
- Red Steady Incandescent Light — Continuous red indication for alarm, warning, or active status signals
- 24V AC/DC Full Voltage Operation — Low-voltage design suitable for PLC and control panel integration
- IP65 Enclosure Rating — Sealed black housing protects against dust, moisture, and splash
- Modular 70mm Design — Stacks with other 855T modules to create multi-color signaling solutions
- NEMA 4/4X/13 Compliance — Meets industrial environmental protection standards
- 7,000-Hour Lamp Life — Durable incandescent element rated for extended duty cycles
Technical Specifications
- Voltage Rating: 24V AC/DC full voltage
- Current Consumption: 271 mA
- Lens Color: Red steady
- Outer Diameter: 70mm
- Housing Color: Black
- IP Rating: IP65
- NEMA Rating: 4, 4X, 13
- Lamp Life: 7,000 hours
- Module Type: Steady incandescent
- Mounting: Stack-on tower base or modular assembly
Typical Applications
- Production line machine status indication (running, idle, alarm states)
- Industrial control towers and stack light assemblies
- Conveyor and packaging equipment warning signals
- Assembly line operational alerts and fault notifications
- Heavy equipment and manufacturing machinery signaling
- Warehouse and logistics zone visual indicators
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 855T tower bases and stackable modules
- 24V DC control systems and PLC outputs
- Industrial power supplies delivering 24V AC/DC
- Modular stack light assemblies and multi-color configurations
- Standard electrical enclosures and control panels
Replaces / Drop-In Replacement For
- 855T-B24DN4 (alternate part designation)
- WERMA 641.100.00 (cross-reference noted in distributor documentation)
Works With
- 24V AC/DC control relays and contactor circuits
- Direct wiring to PLC outputs and discrete signals
- Industrial automation control panels and motor starters
- Standard electrical wire and terminal connections
- Modular stack light software and control logic (tower base dependent)
