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Allen Bradley RDB Direct Drive Motors RDB-B21529-3B72AA

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RDB-B21529-3B72AA

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The RDB-B21529-3B72AA model is a direct-drive servo motor manufactured by Allen-Bradley, part of the Rockwell Automation portfolio. This motor features a compact 215 mm frame and has a maximum base speed of 750 rpm, ideal for high performance in various 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-B21529-3B72AA

ManufacturerAllen Bradley
Product TypeDirect-Drive Servo Motor
Product LineRDB Direct Drive Motors
Part NumberRDB-B21529-3B72AA
Weight20.00 lbs (9.07 kg)
Housing TypeBearingless Housing
Voltage400V
Frame Size215 mm
Magnet Stacks2
Base Speed750 rpm
FeedbackSingle-turn, 2048 sin/cos, absolute encoder (EnDat protocol)
EnclosureIP65
ConnectorsCircular (SpeedTec) DIN
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The part number RDB-B21529-3B72AA denotes a direct-drive servo motor from the RDB Direct Drive Motors series by Allen-Bradley. This unit is characterized by its bearingless housing, which enhances its reliability and efficiency in various applications. The motor operates effectively at a voltage of 400 volts and is built in a frame size of 215 mm, catering to size-constrained environments.

With a base speed rating of 750 rpm, it is engineered for responsive performance. The motor comes equipped with a single-turn absolute encoder that offers feedback with 2048 sin/cos resolution, utilizing the EnDat protocol. This feature allows for accurate position sensing and control.

In addition, the RDB-B21529-3B72AA provides durability and resilience through its IP65-rated enclosure, ensuring strong protection against dust and water ingress. This makes the motor suitable for a variety of industrial settings. Circular DIN connectors (SpeedTec) facilitate clean and efficient wiring, contributing to the ease of installation and maintenance.

Revision Part #Also known as
RDB-B21529-3B72AA Ser ARDB-B21529-3B72AA/A, Series A, Rev A
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