855T-B24TL3 | Allen-Bradley 70mm Control Tower Stack Light, 24V AC/DC
855T-B24TL3 | Allen-Bradley 70mm Control Tower Stack Light, 24V AC/DC
855T-B24TL3 | Allen-Bradley 70mm Control Tower Stack Light, 24V AC/DC
    855T-B24TL3 | Allen-Bradley 70mm Control Tower Stack Light, 24V AC/DC
855T-B24TL3 | Allen-Bradley 70mm Control Tower Stack Light, 24V AC/DC

855T-B24TL3 | Allen-Bradley 70mm Control Tower Stack Light, 24V AC/DC

Part #: 855T-B24TL3 Manufactured by: Allen-Bradley
$399.00
$399.00
2 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
Allen Bradley 855T-B24TL3 855T 70mm Control Tower Stack Light, Black Housing, 24V AC/DC Full Voltage, Green Steady LED (So...  Read more
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Product Description P/N: 855T-B24TL3

Description / Specifications

Description 

Control Tower Stack Light, 24 Volts AC/DC, Diameter 70 mm, Color Green, Lamp Type Steady LED, NEMA Rating 4/4X/13

 

Technical Specifications 

 

Brand Allen-Bradley
Category Panel Accessories
Part Number 855T-B24TL3
Subcategory Stack Light
Voltage 24 VAC/DC
Current 35 MA
NEMA Rating 4, 4X, 13
Wattage 7 W
Outer Diameter 70 MM
Product Family 855T Series
Housing Color Black
Lens Color Green
IP Rating IP65
Product Type Stack Light
Module Type Steady Led

  

 

Information About 855T-B24TL3

The Allen-Bradley 855T-B24TL3 is a 70mm Control Tower Stack Light designed for effective visual indication in industrial environments. Operating on 24V AC/DC power, it provides reliable signaling for various applications. The stack light features a durable construction and modular design, allowing users to customize it according to specific signaling needs.

With its 70mm size, the stack light offers increased visibility in busy industrial settings. The unit consists of a series of stackable modules, each representing a different signaling element such as lights, sounders, or combination modules. This modular design enables flexible configuration to convey different machine states or alarms.

The 855T-B24TL3 is equipped with bright LED lights for enhanced visibility and long-lasting performance. The 24V AC/DC power supply ensures compatibility with standard industrial voltage requirements. The unit is suitable for use in control panels, machinery, and manufacturing environments where clear and easily distinguishable visual indications are critical for operational efficiency and safety.

Installation and maintenance are simplified, thanks to the stack light's user-friendly design. The Allen-Bradley 855T-B24TL3 is part of the 855T Control Tower series, known for its reliability and adaptability in industrial signaling applications. It aligns with Allen-Bradley's commitment to delivering high-quality solutions for industrial automation and control.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 855T-B24TL3
Question: What is the 855T-B24TL3 used for?
Date Update:17/06/2025
Answer:

The 855T-B24TL3 is a sounder (audible) module used in Allen-Bradley's 855T tower light system. It provides an alert tone (often pulsed or continuous) in addition to visual stack lights. It is used for:

  • Machine or process status signaling
  • Audible alerts for alarms, start-up sequences, faults, or emergency conditions
Question: What voltage does the 855T-B24TL3 operate on?
Date Update:17/06/2025
Answer:
  • Operates on 24V AC or DC
  • Compatible with both industrial control voltage levels
  • Polarity protection for DC wiring

Always verify power supply matches your tower’s rating.

Question: How is the 855T-B24TL3 wired?
Date Update:17/06/2025
Answer:

Wiring is done through the terminal base unit (855T-B24). Signals are routed via:

  • Screw or spring-clamp terminals in the base
  • Each module (light or sound) receives power through internal bus
  • Audible module is activated by applying 24V to its assigned terminal (often terminal 6 or 7)

Use proper wire gauge (18–22 AWG) and verify wiring label on the base unit.

Question: Can I change the sound or volume of the 855T-B24TL3?
Date Update:17/06/2025
Answer:

Yes — many audible modules have:

  • Selectable tones (e.g., pulsed, continuous, warble)
  • Volume adjustment via dial or DIP switch (on the underside of the unit)
  • L3 variants typically default to loud settings but allow for tuning to ~80–100 dB

Refer to the product’s datasheet for sound configuration instructions.

Question: What position does the 855T-B24TL3 occupy in the stack light assembly?
Date Update:17/06/2025
Answer:
  • The audible module is installed on the top of the stack
  • It fits above all light modules and connects to the internal bus of the stack system
  • A sound cap or protective cover is provided

If installed in the wrong position, sound performance may be affected or blocked.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

Control Tower Stack Light, 24 Volts AC/DC, Diameter 70 mm, Color Green, Lamp Type Steady LED, NEMA Rating 4/4X/13

 

Technical Specifications 

 

Brand Allen-Bradley
Category Panel Accessories
Part Number 855T-B24TL3
Subcategory Stack Light
Voltage 24 VAC/DC
Current 35 MA
NEMA Rating 4, 4X, 13
Wattage 7 W
Outer Diameter 70 MM
Product Family 855T Series
Housing Color Black
Lens Color Green
IP Rating IP65
Product Type Stack Light
Module Type Steady Led

  

 

Information About 855T-B24TL3

The Allen-Bradley 855T-B24TL3 is a 70mm Control Tower Stack Light designed for effective visual indication in industrial environments. Operating on 24V AC/DC power, it provides reliable signaling for various applications. The stack light features a durable construction and modular design, allowing users to customize it according to specific signaling needs.

With its 70mm size, the stack light offers increased visibility in busy industrial settings. The unit consists of a series of stackable modules, each representing a different signaling element such as lights, sounders, or combination modules. This modular design enables flexible configuration to convey different machine states or alarms.

The 855T-B24TL3 is equipped with bright LED lights for enhanced visibility and long-lasting performance. The 24V AC/DC power supply ensures compatibility with standard industrial voltage requirements. The unit is suitable for use in control panels, machinery, and manufacturing environments where clear and easily distinguishable visual indications are critical for operational efficiency and safety.

Installation and maintenance are simplified, thanks to the stack light's user-friendly design. The Allen-Bradley 855T-B24TL3 is part of the 855T Control Tower series, known for its reliability and adaptability in industrial signaling applications. It aligns with Allen-Bradley's commitment to delivering high-quality solutions for industrial automation and control.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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