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Allen Bradley 1326 Motors 1326AB-B520F-21

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

1326AB-B520F-21

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The Allen-Bradley/Rockwell Automation 1326AB-B520F-21 servo motor from the Bulletin 1326 series is an AC-powered low-inertia type of servo motor. It operates at speeds of up to 3500 RPM with a voltage rating of 460 Volts AC. The 1326AB-B520F-21 servo motor has a metric flange with a keyway and it can be mounted vertically with the shaft pointing either upwards or downwards as the system or application requires. Its current rating is 7.5 to 8.8 Amps. The 1326AB-B520F-21 servo motor uses resolver-type feedback when it operates.

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Ships from Raleigh, NC
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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 1326AB-B520F-21

ManufacturerAllen Bradley
Product TypeServo Motor
Product Line1326 Motors
Part Number1326AB-B520F-21
Weight61.75 lbs (28.01 kg)
Voltage460/380V AC
Frame Diameter149 mm
Rated Motor Speed3500 rpm
Flange and Shaft SeriesIEC Metric Flange with Keyway
Motor Rated Torque13.1 Nm
Motor Rated Output2.9 kW
System Continuous Torque13.1 Nm
System Peak Stall Torque39.3 Nm
Standard OptionN/A
Product Lifecycle Status*Discontinued/Obsolete

* The Allen Bradley 1326AB-B520F-21 has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1326AB-B520F-21 units instead of migration.

The 1326AB-B520F-21 is a Ferrite AC Servo Motor from Allen-Bradley. Its motor rating is 2.9 kW while the motor torque rating is 13.1 N/m. The 1326AB-B520F-21 Ferrite AC Servo Motor operates with a system continuous torque of 11.2N/m whereas its system peak stall torque is 22.4N/m. In addition, it also works with a system continuous stall current of 7.5 Amperes as well as a system peak stall current of 15.0 Amperes. The 1326AB-B520F-21 AC Servo Motor has a rotor inertia of 0.006 Kg/m2. Its length is 200 mm and its frame diameter is 149mm and its bolt center is 165 mm in length. An IEC metric flange with a keyway is present on the 1326AB-B520F-21 Ferrite AC Servo Motor.

While installing the 1326AB-B520F-21 Ferrite AC Servo Motor, comply with the local regulations together with any installation practices which promote electromagnetic safety and compatibility.  It is also important to ensure that all its cables are restrained and installed to prevent uneven pressure at its cable connectors. The 1326AB-B520F-21 is akin to the entire servo motor family and it also offers smart motor technology, thus providing the correct motor power to drive automatic connectivity identification. It also comes with a simple design which helps minimize maintenance time and cost. While installing the 1326AB-B520F-21 Ferrite AC Servo Motor do ensure that its power lines are shielded. Apply the protection elements which will best deal with overvoltage issues. It should also be properly mounted so that the filter enclosures are properly grounded.

Revision Part #Also known as
1326AB-B520F-21 Ser A1326AB-B520F-21/A, Series A, Rev A
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