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Allen Bradley RDB Direct Drive Motors RDB-B2153C-3B72AA

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RDB-B2153C-3B72AA

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The RDB-B2153C-3B72AA is a direct-drive servo motor designed by Allen-Bradley under the RDB Direct Drive Motors series. Operating at a voltage of 400V, it features a compact frame size of 215 mm and delivers a base speed of 1500 rpm.

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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 RDB-B2153C-3B72AA

ManufacturerAllen Bradley
Product TypeDirect-Drive Servo Motor
Product LineRDB Direct Drive Motors
Part NumberRDB-B2153C-3B72AA
Weight32.00 lbs (14.51 kg)
Housing TypeBearingless Housing
Voltage400V
Frame Size215 mm
Magnet Stacks3
Base Speed1500 rpm
FeedbackSingle-turn, 2048 sin/cos, absolute encoder (EnDat protocol)
EnclosureIP65
ConnectorsCircular (SpeedTec) DIN
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The part number RDB-B2153C-3B72AA from Allen-Bradley represents an advanced direct-drive servo motor, characterized by its unique bearingless housing. This design choice offers benefits such as reduced friction and increased efficiency during operation. Engineered to perform at 400 volts, this motor showcases a frame size of 215 mm.

Operating at a base speed of 1500 rpm, the motor is suitable for applications that require rapid response times and high precision. With three magnet stacks, it maximizes effective torque generation. The unit is equipped with a sophisticated single-turn absolute encoder, providing 2048 sin/cos feedback for accurate position sensing, utilizing the EnDat protocol that ensures reliable communication in complex control systems.

The motor's enclosure is rated at IP65, offering robust protection against foreign objects and moisture, thus ensuring reliability in demanding environments. Additionally, it features circular SpeedTec DIN connectors, facilitating streamlined connectivity and installation into existing systems. Overall, the RDB-B2153C-3B72AA servo motor combines performance, precision, and durability for a variety of direct drive applications.

Revision Part #Also known as
RDB-B2153C-3B72AA Ser ARDB-B2153C-3B72AA/A, Series A, Rev A
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