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Allen-Bradley 855T-L24 incandescent indicator lamp for industrial control panels

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Allen-Bradley 855T-L24

by Allen-Bradley

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OverviewEnsure dependable visual signaling within your industrial control setups with the Allen-Bradley 855T-L24 incandescent lamp. This component is specifically designed as a direct substitute for existing incandescent bulbs found in various Allen-Bradley pilot devices, including pushbuttons, selector switches, and indicator lights. Operating efficiently on both 24V AC and 24V DC power, the 855T-L24 offers a familiar light source for essential operational feedback. While incandescent technology provides a traditional and economical lighting solution, it's important to consider its energy consumption and expected service life compared to modern LED alternatives. Nevertheless, for applications prioritizing original equipment specifications or a specific visual style, the 855T-L24 remains an ideal selection.Key Features Universal 24V AC/DC Compatibility Engineered for effortless integration, this lamp works with both alternating current (AC) and direct current (DC) 24-volt power sources, enabling diverse applications across various control systems. Genuine Allen-Bradley Part As an authentic Allen-Bradley item, the 855T-L24 guarantees ideal compatibility and consistent operation within Allen-Bradley pilot devices, preserving system integrity and functionality. Classic Incandescent Lighting Delivers a traditional, warm light, perfect for situations where the classic glow of an incandescent bulb is preferred or where established systems are built around this lighting style. Direct Replacement Solution Specifically crafted to be a straightforward, drop-in replacement for worn or failed incandescent lamps in compatible Allen-Bradley industrial control components, simplifying upkeep. Robust Industrial Construction Constructed to meet the rigorous demands of industrial settings, ensuring resilience and steady performance in challenging environments. Clear Visual Indication Provides bright and unmistakable visual signals, crucial for operator awareness and efficient process monitoring in control panels and machinery. Technical Specifications Product Type: Incandescent Lamp / Indicator Lamp Catalog Number: 855T-L24 Voltage: 24V AC/DC Current: (Refer to official Allen-Bradley documentation for specific current draw) Wattage: (Refer to official Allen-Bradley documentation for specific wattage) Lamp Type/Base: (Refer to official Allen-Bradley documentation for specific lamp base type, e.g., miniature bayonet, screw base) Average Life: (Refer to official Allen-Bradley documentation for average operational lifespan) Color: Typically Clear/White (Confirm with official documentation for specific color options) Applications Essential replacement lamps for Allen-Bradley pushbuttons, selector switches, and various indicator lights. Signaling and status indication within industrial control panels across manufacturing, automation, and processing industries. Visual feedback systems in machinery and equipment, alerting operators to operational modes, faults, or process progression. Maintenance and repair of existing Allen-Bradley installations requiring direct incandescent lamp replacements to retain original system specifications. Low-voltage signaling applications where a traditional incandescent light source is preferred or required for component compatibility. Why Choose?Guaranteed CompatibilityAs an original Allen-Bradley 855T-L24, this lamp ensures perfect fit and function with your existing Allen-Bradley pilot devices, eliminating compatibility concerns.Reliable PerformanceBenefit from the trusted quality and consistent performance inherent in authentic Allen-Bradley components, providing peace of mind for critical applications.Order NowSecure your Allen-Bradley 855T-L24 incandescent lamp today to maintain the integrity and functionality of your industrial control systems! Contact us for availability and pricing.FAQWhat is the primary use of the Allen-Bradley 855T-L24?The Allen-Bradley 855T-L24 is primarily used as a direct replacement incandescent lamp for various Allen-Bradley pilot devices, such as pushbuttons, selector switches, and indicator lights, in industrial control applications.Is this lamp compatible with both AC and DC power supplies?Yes, the Allen-Bradley 855T-L24 is designed for universal operation with both 24V AC and 24V DC power sources, offering versatile application across different control systems.Why might someone choose an incandescent lamp over an LED alternative?Incandescent lamps, like the 855T-L24, are often chosen when maintaining original equipment specifications or a specific visual aesthetic is crucial, or for applications where incandescent technology is a cost-effective and traditional lighting solution.Where can I find detailed technical specifications like current draw or wattage?For specific technical details such as current draw, wattage, lamp type/base, and average life, it is recommended to refer to the official Allen-Bradley documentation for the 855T-L24.Does this product offer clear visual signaling?Yes, the 855T-L24 delivers bright and unambiguous visual signals, which are vital for operator awareness and efficient process monitoring in industrial control panels and machinery.

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PRODUCT DETAILS

Allen-Bradley 855T-L24

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

  • Product Type: Incandescent Lamp / Indicator Lamp
  • Catalog Number: 855T-L24
  • Voltage: 24V AC/DC
  • Current: (Refer to official Allen-Bradley documentation for specific current draw)
  • Wattage: (Refer to official Allen-Bradley documentation for specific wattage)
  • Lamp Type/Base: (Refer to official Allen-Bradley documentation for specific lamp base type, e.g., miniature bayonet, screw base)
  • Average Life: (Refer to official Allen-Bradley documentation for average operational lifespan)
  • Color: Typically Clear/White (Confirm with official documentation for specific color options)

Applications

  • Essential replacement lamps for Allen-Bradley pushbuttons, selector switches, and various indicator lights.
  • Signaling and status indication within industrial control panels across manufacturing, automation, and processing industries.
  • Visual feedback systems in machinery and equipment, alerting operators to operational modes, faults, or process progression.
  • Maintenance and repair of existing Allen-Bradley installations requiring direct incandescent lamp replacements to retain original system specifications.
  • Low-voltage signaling applications where a traditional incandescent light source is preferred or required for component compatibility.

Why Choose the 855T-L24?

Guaranteed Compatibility

As an original Allen-Bradley 855T-L24, this lamp ensures perfect fit and function with your existing Allen-Bradley pilot devices, eliminating compatibility concerns.

Reliable Performance

Benefit from the trusted quality and consistent performance inherent in authentic Allen-Bradley components, providing peace of mind for critical applications.

Availability & Shipping

  • In stock: 855T-L24 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-L24 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The Allen-Bradley 855T-L24 is primarily used as a direct replacement incandescent lamp for various Allen-Bradley pilot devices, such as pushbuttons, selector switches, and indicator lights, in industrial control applications.

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.

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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.

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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.

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