
*Image shown is a representation only. Actual product may vary.
Allen-Bradley 856T-BB4
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 856T-BB4 is a high-performance 70mm light module meticulously engineered for crucial industrial signaling applications. As a vital component of the esteemed 856T Tower Light Series, this module is designed to provide exceptional visibility, unwavering reliability, and superior durability. It stands as an indispensable solution for precise machine status indication, meticulous process monitoring, and critical safety signaling across diverse automation environments. Built to withstand the rigors of demanding industrial use, the 856T-BB4 guarantees clear, consistent, and impactful illumination, supporting a wide array of configurations for complex multi-segment stack light assemblies. This ensures that operational statuses are immediately identifiable, contributing to enhanced efficiency and safety protocols.Key Features 70mm Light Module: Seamlessly integrates as a foundational element within the comprehensive 856T stack light system, ensuring broad compatibility and expandability. High Visibility Signaling: Engineered to provide crystal-clear machine and process status indication, significantly improving operational awareness and response times. Modular Design: Offers exceptional flexibility, making it fully compatible with various 856T Tower Light configurations and allowing for tailored signaling solutions. Reliable Industrial Performance: Constructed with industrial-grade materials and engineering, guaranteeing unwavering durability and consistent performance in the most challenging automation environments. Easy Installation & Integration: Designed for rapid assembly and straightforward stack light customization, minimizing downtime and maximizing operational readiness. Robust Construction: Built to withstand harsh industrial conditions, ensuring longevity and consistent functionality even in challenging surroundings. Broad Application Versatility: Suitable for a wide range of industrial applications, from discrete manufacturing to process control, enhancing its utility. Technical Specifications Model: 856T-BB4 Series: 856T Tower Light System Module Type: Light Module Size: 70mm Mounting: Stack Light Assembly Application: Industrial Signaling & Machine Status Indication Certifications: UL, CE, RoHS Applications Factory Automation & Machine Status Indication: Provides real-time visual signaling to operators regarding machine operational states, alerts, and faults, optimizing workflow. Industrial Process Monitoring: Enhances operational efficiency and safety by offering immediate visual feedback on critical process parameters and deviations. Assembly Lines & Robotics: Improves workflow visibility and facilitates seamless machine coordination, reducing errors and boosting productivity in automated assembly. Safety & Warning Systems: Ensures clear and unmistakable visual alerts in manufacturing environments, enhancing worker safety and compliance with safety protocols. Material Handling Systems: Guides operators and signals status in complex material movement and storage systems. Building Management Systems: Can be integrated for visual alerts regarding HVAC, security, and access control status. Why Choose the Allen-Bradley 856T-BB4? Unmatched Reliability: Benefit from Allen-Bradley's reputation for robust and dependable industrial components, ensuring your signaling systems perform flawlessly when it matters most. Superior Visibility: The 70mm size and high-quality illumination guarantee that signals are clearly visible from a distance and across varying lighting conditions, preventing misunderstandings and speeding up responses. Flexible Modular Design: Easily customize and adapt your stack light configurations to specific application needs, allowing for scalability and future expansion without complete system overhaul. Enhanced Safety Protocols: By providing clear and immediate visual cues, the 856T-BB4 plays a critical role in improving workplace safety, reducing risks, and ensuring compliance. Order NowElevate the efficiency and safety of your industrial operations. Add the Allen-Bradley 856T-BB4 70mm Stack Light Module to your system today.FAQWhat is the primary function of the Allen-Bradley 856T-BB4?The 856T-BB4 is designed for crucial industrial signaling, providing visual indications for machine status, process monitoring, and safety alerts within automated environments.Is the 856T-BB4 compatible with other Allen-Bradley products?Yes, it is a key component of the 856T Tower Light Series and offers broad compatibility and expandability for various configurations within that system.What are the key benefits of its modular design?The modular design allows for exceptional flexibility, enabling tailored signaling solutions and easy customization of stack light configurations to specific application requirements.Can this module be used in harsh industrial conditions?Absolutely, the 856T-BB4 is built with industrial-grade materials to ensure unwavering durability and consistent performance in challenging environments.Does the 856T-BB4 contribute to workplace safety?Yes, by providing clear and immediate visual cues, it plays a critical role in enhancing workplace safety, reducing risks, and assisting with compliance to safety protocols.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Allen-Bradley 856T-BB4
Overview
This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Allen-Bradley platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 856T-BB4
- Series: 856T Tower Light System
- Module Type: Light Module
- Size: 70mm
- Mounting: Stack Light Assembly
- Application: Industrial Signaling & Machine Status Indication
- Certifications: UL, CE, RoHS
Applications
- Factory Automation & Machine Status Indication: Provides real-time visual signaling to operators regarding machine operational states, alerts, and faults, optimizing workflow.
- Industrial Process Monitoring: Enhances operational efficiency and safety by offering immediate visual feedback on critical process parameters and deviations.
- Assembly Lines & Robotics: Improves workflow visibility and facilitates seamless machine coordination, reducing errors and boosting productivity in automated assembly.
- Safety & Warning Systems: Ensures clear and unmistakable visual alerts in manufacturing environments, enhancing worker safety and compliance with safety protocols.
- Material Handling Systems: Guides operators and signals status in complex material movement and storage systems.
- Building Management Systems: Can be integrated for visual alerts regarding HVAC, security, and access control status.
Why Choose the 856T-BB4?
- Unmatched Reliability: Benefit from Allen-Bradley's reputation for robust and dependable industrial components, ensuring your signaling systems perform flawlessly when it matters most.
- Superior Visibility: The 70mm size and high-quality illumination guarantee that signals are clearly visible from a distance and across varying lighting conditions, preventing misunderstandings and speeding up responses.
- Flexible Modular Design: Easily customize and adapt your stack light configurations to specific application needs, allowing for scalability and future expansion without complete system overhaul.
- Enhanced Safety Protocols: By providing clear and immediate visual cues, the 856T-BB4 plays a critical role in improving workplace safety, reducing risks, and ensuring compliance.
Availability & Shipping
- ▸In stock: 856T-BB4 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 856T-BB4 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Allen-Bradley resources
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.