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Allen Bradley 1326 Motors 1326AS-B660E-21

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1326AS-B660E-21

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The Allen-Bradley 1326AS-B660E-21 brushless servo motor from the Bulletin 1326 series has a voltage rating of 460 Volts AC. At this voltage rating, it supports a maximum operating speed of 3000 RPM, a maximum output power rating 3.4 kilowatts, and a maximum motor torque rating of 190 pounds on an inch. The 1326AS-B660E-21 brushless servo motor’s flange is an IEC metric flange with a keyway. It can be mounted vertically with its shaft pointing up or down at any angle. The 1326AS-B660E-21 brushless servo motor comes with a 6-inch magnet stack made of powerful rare earth magnets that decrease its inertia levels during operation.

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2 Year DO Supply Warranty
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 1326AS-B660E-21

ManufacturerAllen Bradley
Product TypeServo Motor
Product Line1326 Motors
Part Number1326AS-B660E-21
Weight62.00 lbs (28.12 kg)
Voltage460V AC
Frame Diameter150 mm
Rated Motor Speed3000 rpm
Flange and Shaft SeriesIEC Metric Flange with Keyway
Motor Rated Torque21.5 Nm
Motor Rated Output3.4 kW
System Continuous Torque21.5 Nm
System Peak Stall Torque27.3 Nm
Standard OptionN/A
Product Lifecycle Status*Discontinued/Obsolete

* The Allen Bradley 1326AS-B660E-21 has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1326AS-B660E-21 units instead of migration.

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The Allen-Bradley 1326AS-B660E-21 is a 1326AS Series AC Servo Motor. This low inertia brushless servo motor is supplied with 460 Volts AC; it produces 3.4 kW and it can achieve the maximum speed of 3000 RPM.  The current rating of the motor is 11.8 Amps. Its approximate stator diameter is 150 millimeters. This drive has a permanent magnet rotor made of rare magnets which helps him achieve the peak stall torque of 54.2 N-m (480 pounds on an inch). On the rear end of the device, there is a two-pole brushless resolver for precise motor positioning. This module provides feedback to an AC servo drive controller, which then calculates the motor’s position and conducts regulation of motor speed. Resolver sends feedback with 4096 counts per revolution. Frequency applied to the motor can be programmed in 0 to 200 Hertz range.

The mounting of the 1326AS-B660E-21 AC servo motor is conducted over a NEMA/IEC Metric Flange. This motor has a shaft with a keyway, with an IP65 type enclosure. Add to this its extruded aluminum housing designed for enhanced heat emission and better cooling of the motor, and an integrated thermal switch in the motor winding (2.5A / 250V AC rated). These features allow the motor to be used in harsh industrial environments. The 1326AS-B660E-21 AC servo drive has the ability to be mounted vertically, horizontally, or at any desired angle. Its shaft can be turned up or down. This flexible installation option makes it ideal for applications where other motors are unusable. Item weight is approximately 26.9 kilograms (59.4 pounds). Its outer dimensions (with shaft included) are 190 millimeters (7.48 inches) x 190 millimeters (7.48 inches)  x 427 millimeters (16.81 inches).

Revision Part #Also known as
1326AS-B660E-21 Ser A1326AS-B660E-21/A, Series A, Rev A
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