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Allen Bradley 856T Light And Sound Modules 856T-BT3

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856T-BT3

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The 856T-BT3 stack light from Allen Bradley is designed for use with both AC and DC current. It delivers a steady light output of 7,200 millicandelas and has a long electrical lifespan exceeding 60,000 hours.

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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 856T-BT3

ManufacturerAllen Bradley
Product TypeStack Light
Product Line856T Light And Sound Modules
Part Number856T-BT3
Weight0.25 lbs (0.11 kg)
Current TypeAC/DC current
Degree of ProtectionIP66 (NEMA 4X)
Housing ColorBlack
Lens ColorGreen
Bulb TypeLight Emitting Diode (LED)
Light EffectSteady
Rated Light Output7,200 millicandelas
Supply Voltage Rating24 Volts DC/AC
Electrical Life SpanMore than 60,000 hours
Mounting TypeFastening screws
Nominal Current58 milliamperes
Housing MaterialPolycarbonate
CertificationsANSI/ED and BS EN
Base Diameter70 millimeters (2.75 inches)
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The 856T-BT3 stack light module by Allen Bradley offers a reliable visual indicator for various applications. Designed to operate under both AC and DC current, this device can be integrated into a variety of systems. It generates a steady light output rated at 7,200 millicandelas, ensuring excellent visibility. The unit is engineered for durability with a housing constructed from polycarbonate, contributing to its IP66 rating, which meets NEMA 4X standards for resistance to moisture and dust.

In terms of functionality, the stack light is powered by a supply voltage of 24 Volts, whether from AC or DC sources. With a nominal current draw of 58 milliamperes, it remains energy-efficient while delivering consistent performance. The expected electrical life span is impressive, extending beyond 60,000 hours, reducing maintenance needs over its operational lifetime. The green lens allows for a clear representation of status.

For installation, the light utilizes fastening screws, providing a straightforward mounting process. Its housing is painted black, creating a sleek appearance that complements its purpose in industrial settings. With a base diameter of 70 millimeters (or 2.75 inches), the stack light occupies minimal space while ensuring effective signaling. Certifications from American and British standards attest to its adherence to industry requirements, making it a suitable choice for demanding environments.