Free Shipping Across the USA — Worldwide Delivery Available!
PALM Parts Solution
AccountQuote
In Stock Fast Shipping Available
Allen-Bradley 855T-B24SA1 Control Tower Stack Light in black

*Image shown is a representation only. Actual product may vary.

Allen-Bradley 855T-B24SA1

by Allen-Bradley

Read verified buyer reviews ↓

OverviewThe Allen-Bradley 855T-B24SA1 Control Tower Stack Light is expertly engineered to revolutionize visual communication within demanding industrial settings. This robust stack light integrates a 24V AC/DC full voltage transducer style, delivering a sharp, single-tone signal housed within a sleek black enclosure. It's more than just an indicator; it's a critical tool for real-time status updates, significantly boosting operational efficiency and bolstering safety across diverse applications. From bustling manufacturing floors to intricate production lines and crucial equipment monitoring, the 855T-B24SA1 provides immediate, unmistakable visual feedback, ensuring quick decision-making and seamless operations.Key Features Crystal-Clear Status Indication: Provides instant, unambiguous visual and auditory alerts, enabling rapid responses to operational changes. Universal Voltage Compatibility: Designed for versatility, operating flawlessly on both 24V AC and 24V DC power sources to suit a wide array of industrial electrical systems. Rugged Industrial Durability: Constructed with high-grade materials and a resilient black housing, ensuring exceptional longevity and unwavering performance even in the harshest environments. Enhanced Operational Safety: By offering immediate visual cues regarding equipment and process status, it actively contributes to a safer working environment, minimizing risks and preventing costly downtime. Flexible Modular Design: Its modular and stackable architecture allows for effortless customization and expansion, catering to evolving signaling requirements. Audible Single-Tone Signal: Emits a distinct and compelling single-tone alert, guaranteeing that critical status changes are heard and acknowledged. Sleek Black Aesthetic: The sophisticated black housing not only provides superior protection but also integrates seamlessly into any modern industrial aesthetic. Technical Specifications Model Number: 855T-B24SA1 Type: Control Tower Stack Light Voltage: 24V AC/DC Tone: Single Tone Housing Color: Black Signal Type: Full Voltage Transducer Style Mounting Type: Modular/Stackable Design Use: Industrial environments for status indication Certifications: CE, UL listed (Always verify specific model certifications for compliance) Applications Manufacturing Plants: Indispensable for monitoring the real-time status of machinery, assembly lines, and critical production processes. Production Lines: Facilitates unambiguous signaling of operational states, including running, idle, fault conditions, and emergency stops. Automation Systems: Essential for integration into PLC-controlled systems, providing immediate alerts to operators concerning process deviations or equipment malfunctions. Industrial Equipment: Perfectly suited for deployment with a broad range of automated machinery such as conveyors, robotic cells, and specialized processing units. Warehouse and Logistics: Provides clear indicators for material handling systems, sorting equipment, and automated storage and retrieval systems (AS/RS). Packaging Operations: Monitors the status of packaging machinery, ensuring smooth and efficient product flow. Why Choose This Model?As a global leader in industrial automation, Allen-Bradley guarantees products that consistently deliver high performance and exceptional longevity. The 855T-B24SA1 exemplifies this commitment to quality.Specifically designed to endure and excel in harsh industrial environments, ensuring continuous operation where it matters most.By providing instant visual and audible feedback, this stack light minimizes delays, streamlines operations, and empowers faster, more informed decisions by operators.Clear and immediate status indications are pivotal in preventing accidents, reducing human error, and creating a safer workspace for all personnel.Order NowReady to upgrade your industrial signaling? The Allen-Bradley 855T-B24SA1 stack light is available for immediate purchase. Enhance your operational visibility and safety today.FAQQ: What is the primary function of the Allen-Bradley 855T-B24SA1?A: It serves as a visual and audible indicator for machine and process status in industrial environments, improving operational efficiency and safety.Q: Is this stack light suitable for outdoor use?A: The product is designed for harsh industrial environments; however, specific ingress protection (IP) ratings should be verified for outdoor suitability.Q: Can the single-tone signal be adjusted for volume?A: The source material does not specify adjustable volume for the single-tone signal.Q: What is the benefit of the modular design?A: Its modular and stackable architecture allows for effortless customization and expansion, catering to evolving signaling requirements.Q: How does this stack light improve safety?A: By providing immediate visual and auditory cues regarding equipment and process status, it actively contributes to a safer working environment, minimizing risks and preventing costly downtime.

🇺🇸 Ships from our Florida warehouse
1-Year PALM Parts Warranty
CONDITION
$1,389.99
11 in stock

USA — Free FedEx Priority & UPS Ground · Worldwide shipping available

For more quantity please contact Customer Service

Experts Available 24/7 · 365
+1 (689) 263-1985
sales@palmpartssolution.com

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.

PRODUCT DETAILS

Allen-Bradley 855T-B24SA1

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:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. 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 Number: 855T-B24SA1
  • Type: Control Tower Stack Light
  • Voltage: 24V AC/DC
  • Tone: Single Tone
  • Housing Color: Black
  • Signal Type: Full Voltage Transducer Style
  • Mounting Type: Modular/Stackable Design
  • Use: Industrial environments for status indication
  • Certifications: CE, UL listed (Always verify specific model certifications for compliance)

Applications

  • Manufacturing Plants: Indispensable for monitoring the real-time status of machinery, assembly lines, and critical production processes.
  • Production Lines: Facilitates unambiguous signaling of operational states, including running, idle, fault conditions, and emergency stops.
  • Automation Systems: Essential for integration into PLC-controlled systems, providing immediate alerts to operators concerning process deviations or equipment malfunctions.
  • Industrial Equipment: Perfectly suited for deployment with a broad range of automated machinery such as conveyors, robotic cells, and specialized processing units.
  • Warehouse and Logistics: Provides clear indicators for material handling systems, sorting equipment, and automated storage and retrieval systems (AS/RS).
  • Packaging Operations: Monitors the status of packaging machinery, ensuring smooth and efficient product flow.

Why Choose the 855T-B24SA1?

As a global leader in industrial automation, Allen-Bradley guarantees products that consistently deliver high performance and exceptional longevity. The 855T-B24SA1 exemplifies this commitment to quality.

Specifically designed to endure and excel in harsh industrial environments, ensuring continuous operation where it matters most.

By providing instant visual and audible feedback, this stack light minimizes delays, streamlines operations, and empowers faster, more informed decisions by operators.

Clear and immediate status indications are pivotal in preventing accidents, reducing human error, and creating a safer workspace for all personnel.

Availability & Shipping

  • In stock: 855T-B24SA1 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 855T-B24SA1 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

A: It serves as a visual and audible indicator for machine and process status in industrial environments, improving operational efficiency and safety.

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.

CUSTOMER REVIEWS

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.

Are you an Electrical Distributor?Learn more about our distributor program

PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Read full disclaimer →