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Allen Bradley RDB Direct Drive Motors RDB-B41026-3B72AA

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RDB-B41026-3B72AA

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The RDB-B41026-3B72AA is a direct-drive servo motor produced by Allen-Bradley, a brand under Rockwell Automation. It features a 400V voltage rating and a frame size of 410 mm, designed for precise 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-B41026-3B72AA

ManufacturerAllen Bradley
Product TypeDirect-Drive Servo Motor
Product LineRDB Direct Drive Motors
Part NumberRDB-B41026-3B72AA
Weight32.00 lbs (14.51 kg)
Housing TypeBearingless Housing
Voltage400V
Frame Size410 mm
Magnet Stacks2
Base Speed375 rpm
FeedbackSingle-turn, 2048 sin/cos, absolute encoder (EnDat protocol)
EnclosureIP65
ConnectorsCircular (SpeedTec) DIN
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The RDB-B41026-3B72AA part number corresponds to a dedicated direct-drive servo motor from the Allen-Bradley RDB Direct Drive Motors series. This model operates effectively at a voltage of 400 volts. Its significant frame size measures 410 mm. Within this configuration, you will find two magnet stacks that enhance performance stability and efficiency during operation.

The motor's base speed reaches 375 rpm, making it suitable for various applications demanding reliable speed control. To ensure precise positional feedback, it employs a single-turn absolute encoder that follows the EnDat protocol, providing a resolution of 2048 sin/cos. This feature aids in maintaining accurate motion control in automated systems.

Constructed with a bearingless housing type, the RDB-B41026-3B72AA's design optimizes performance by minimizing mechanical wear and friction. The IP65 enclosure rating indicates robust protection against dust and water ingress, making it viable for use in challenging environments.

Additionally, this motor integrates circular connectors following the SpeedTec DIN standard, which supports simpler wiring and connections. Each specification reinforces the suitability of this direct-drive servo motor for demanding and precise industrial applications.

Revision Part #Also known as
RDB-B41026-3B72AA Ser ARDB-B41026-3B72AA/A, Series A, Rev A
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