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Allen Bradley 855T Stack Lights 855T-B20DN4

Product image is representative; revision or series may vary. Contact us to request a specific version.

855T-B20DN4

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The 855T-B20DN4 from Allen Bradley is a robust light module suitable for various applications. Designed with a steady incandescent light function, it operates at 240 VAC and is rated IP65 for environmental protection.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 855T-B20DN4

ManufacturerAllen Bradley
Product TypeLight Module
Product Line855T Stack Lights
Part Number855T-B20DN4
Module Diameter70 mm
Module TypeSteady Incandescent Light Module
Housing ColorBlack Color
Lens ColorRed Color
Operating Voltage240 VAC
Illumination SourceIncandescent Lamp
Light FunctionSteady
IP RatingIP65
Minimum Operating Temperature-25 °C
Maximum Operating Temperature70 °C
Minimum Storage Temperature-40 °C
Maximum Storage Temperature85 °C
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The Allen Bradley 855T-B20DN4 is a light module engineered for consistent performance in industrial settings. With a diameter of 70 mm, this module features a sturdy design, housed in black and topped with a vibrant red lens. The light is known for its steady illumination, powered by an incandescent lamp which operates effectively under 240 VAC conditions.

This module is constructed to provide a high degree of protection against water and dust, evidenced by its IP65 rating. In terms of temperature resilience, it can function in environments ranging from -25 °C to 70 °C during operation, making it ideal for diverse operational conditions. Furthermore, when not in use, the 855T-B20DN4 can be stored in a temperature range of -40 °C to 85 °C, allowing for flexibility and durability in challenging environments. This robust light module is suitable for integration into stack light applications where reliable visual signaling is required.