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Allen Bradley 1326 Motors 1326AB-B420H-21-TJB

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1326AB-B420H-21-TJB

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The 1326AB-B420H-21-TJB servo motor is a permanent magnet servo motor that operates with AC voltage rated at 460/380 Volts AC. It has been designed and manufactured by Allen-Bradley/Rockwell Automation within the Bulletin 1326 servo motors series. The 1326AB-B420H-21-TJB permanent magnet servo motor operates with low levels of friction because it contains permanent ferrite magnets. The ferrite magnets are arranged in a stack that is 2 inches long inside the motor. The 1326AB-B420H-21-TJB permanent magnet servo motor has a metric flange and it uses resolver-based feedback.

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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-B420H-21-TJB

ManufacturerAllen Bradley
Product TypeServo Motor
Product Line1326 Motors
Part Number1326AB-B420H-21-TJB
Weight33.94 lbs (15.39 kg)
Voltage460/380V AC
Frame Diameter108 mm
Rated Motor Speed6000 rpm
Flange and Shaft SeriesIEC Metric Flange with Keyway
Motor Rated Torque5.1 Nm
Motor Rated Output2.2 kW
System Continuous Torque5.1 Nm
System Peak Stall Torque14 Nm
Standard OptionN/A
Product Lifecycle Status*Discontinued/Obsolete

* The Allen Bradley 1326AB-B420H-21-TJB has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1326AB-B420H-21-TJB units instead of migration.

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The Allen-Bradley 1326AB-B420H-21-TJB is an AC servo motor from the Torque Plus series. This is a brushless type of AC 3-phase servo motor with an input voltage of 380 to 460 Volts AC. It can achieve high Revolution-Per-Minute rates, such as 5000 RPM at 380 Volts AC and 6000 RPM when connected to 480 Volts AC. The 1326AB-B420H-21-TJB servo motor outputs 2,2kW of power. The frame diameter of the device is 149 millimeters (5.88 inches). This servo motor provides feedback to a control unit over an integrated resolver with a 2048 ppr resolution). It serves for high-precision positioning and it is capable of enduring shocks, vibrations, and high operating temperatures. Allen-Bradley’s 1394 Motion Control System is used to control this servo motor and to help him reach its optimal performance. The 1394 series control modules to be used with 1326AB-B420H-21-TJB are AM03, AM04, and AM07. This servo motor can be installed with great flexibility, even vertically at any angle. It should be mounted over IEC metric flange with a keyway for shaft connecting.

The 1326AB-B420H-21-TJB is delivered in an IP65 rated enclosure. This item shipping weight is approximately 12.7 kilograms (28 pounds). The AC servo motor has dimension of 333.0 x 126.5 x 126.5 millimeters (13.11 x 4.98 x 4.98 inches). This device can be used in surrounding with the greatest temperature of 40 degrees Celsius. As a protective measure, this AC servo motor has two thermal switches wired in series which can provide digital input (1A relay contact) to a control device. This protection is activated when the motor temperature reaches 155 degrees Celsius (311 degrees Fahrenheit) ±10%. Extruded aluminum housing prevents events such as overheating by providing upgraded heat transfer.

Revision Part #Also known as
1326AB-B420H-21-TJB Ser A1326AB-B420H-21-TJB/A, Series A, Rev A
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