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Allen Bradley RDB Direct Drive Motors RDB-B2151C-3B72AA

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

RDB-B2151C-3B72AA

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The RDB-B2151C-3B72AA from Allen-Bradley is a high-performance direct-drive servo motor within the RDB Direct Drive Motors series. It operates at a voltage of 400 volts and can achieve a base speed of 1500 RPM, making it suitable for demanding applications.

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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-B2151C-3B72AA

ManufacturerAllen Bradley
Product TypeDirect-Drive Servo Motor
Product LineRDB Direct Drive Motors
Part NumberRDB-B2151C-3B72AA
Weight20.00 lbs (9.07 kg)
Housing TypeBearingless Housing
Voltage400V
Frame Size215 mm
Magnet Stacks1
Base Speed1500 rpm
FeedbackSingle-turn, 2048 sin/cos, absolute encoder (EnDat protocol)
EnclosureIP65
ConnectorsCircular (SpeedTec) DIN

The RDB-B2151C-3B72AA motor from Allen-Bradley is engineered for direct-drive applications. This model is designed with a bearingless housing structure, supporting a voltage supply of 400 volts. Its robust frame size measures 215 mm, and it features a single magnet stack.

Operating at a base speed of 1500 RPM, this servo motor is capable of effectively meeting various performance criteria. Feedback is provided by a single-turn absolute encoder that offers 2048 sin/cos resolution, implemented through the EnDat protocol. This enhances its accuracy and reliability in operation.

The motor is securely housed in an enclosure designed to meet IP65 standards, ensuring it is safeguarded against water and dust ingress. Additionally, the RDB-B2151C-3B72AA is equipped with circular SpeedTec DIN connectors, facilitating easier connections in industrial settings. Overall, this servo motor's design and specifications make it well-suited for a variety of precision applications in automation.

Revision Part #Also known as
RDB-B2151C-3B72AA Ser ARDB-B2151C-3B72AA/A, Series A, Rev A
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