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Allen Bradley 1326 Motors 1326AS-B330H-21

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1326AS-B330H-21

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The Allen-Bradley 1326AS-B330H-21 servo motor is an AC-powered brushless servo motor. It has been designed and manufactured as part of the Bulletin 1326 servo motors series. The 1326AS-B330H-21 brushless servo motor comes with a metric flange and with a 3-inch rare-earth magnet stack. An optional shaft oil seal can be installed on this servo motor, and the shaft oil seal will render the motor waterproof and dust proof and grant it an IP 65 environmental protection rating. The 1326AS-B330H-21 brushless servo motor can operate at a speed of 6500 RPM at a voltage rating of 460 Volts AC.

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Ships from Raleigh, NC
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-B330H-21

ManufacturerAllen Bradley
Product TypeServo Motor
Product Line1326 Motors
Part Number1326AS-B330H-21
Weight8.25 lbs (3.74 kg)
Voltage460V AC
Frame Diameter75 mm
Rated Motor Speed6500 rpm
Flange and Shaft SeriesIEC Metric Flange with Keyway
Motor Rated Torque2.0 Nm
Motor Rated Output0.9 kW
System Continuous Torque2.1 Nm
System Peak Stall Torque5.6 Nm
Standard OptionN/A
Product Lifecycle Status*Discontinued/Obsolete

* The Allen Bradley 1326AS-B330H-21 has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1326AS-B330H-21 units instead of migration.

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The Allen Bradley 1326AS-B330H-21 Low Inertia Servo Motor is a brushless AC synchronous servo motor with a neodymium-iron-boron permanent magnet rotor, which provides low motor inertia, high peak torque, and high acceleration in one compact unit. This servo motor is designed for use with the Allen Bradley 1394 motion control system, and it features sinusoidal wound stator which provides smooth motor operation even at low speed, and TENV constructed IP66 rated enclosure for a harsh industrial environment. The 1326AS-B330H-21  has a 3-phase rated input voltage of 460 Volt AC, with a rated output power of 0.9 kW, and it has a continuous stall current of 2.1Amps, with peak stall current of 6.0 Amps. This servo motor has a rated rotor speed of 5370 RPM at 360 Volt input, and it has a maximum rotor speed of 6500 RPM at 460 Volt rated motor input. It has a rated motor torque of 2.0 N-m (18.0 pounds on an inch), with peak system torque of 5.6 N-m (50 pounds on an inch), and it has rated rotor inertia of 0.00009 Kg-m2 (0.0008 pounds per inch per second).

The 1326AS-B330H-21 has a 1.3 milliseconds mechanical time, constant at 40 degrees Celsius, with a 2.4-millisecond Electrical time constant and a 21-minute thermal time constant using Class B thermal insulation. This servo motor has 36 Volts per 1000 RPM winding voltage constant, with a 10.2-Ohm rated winding resistance and a 24.3 Millihenry rated winding inductance. The 1326AS-B330H-21 like all low inertia servo motors in the family has a 2 pole rugged brushless resolver, which provides accurate position feedback, and generates up to 1024 ppr (4096 counts/rev) A Quad B encoder output, thereby eliminating the need for extra onboard electronics. This servo has 75 millimeters stator diameter, with 30 millimeters magnet stack length, and it is designed with a keyway and IEC metric flange mount option. It has a functional temperature range of 0 to 40 degree Celsius (32 to 104 degree Fahrenheit), at non-condensing 5% to 95% relative humidity range, and it is stored at -30 to 70 degree Celsius (-22 to 158 degree Fahrenheit) range. The 1326AS-B330H-21 has a net weight of 11.2 Kilogram, and a mounting volume of 246 x 89.5 x 93.0 millimeters.

Revision Part #Also known as
1326AS-B330H-21 Ser 01326AS-B330H-21/0, Series 0, Rev 0
1326AS-B330H-21 Ser A1326AS-B330H-21/A, Series A, Rev A
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