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Allen-Bradley 1391-DES45-DI Digital AC Servo Drive

$1,499.00 USD

Sale Sold out

ConditionSurplus - Untested MPN1391-DES45-DI Stock #0226-00756

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 45.0 lbs

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Used in automated machine servo systems requiring precise speed and torque control, the Allen-Bradley Bulletin 1391 Digital AC Servo Drive carries catalog number 1391-DES45-DI. The nameplate identifies an AC input of 230V, 3-phase, 50/60 Hz at 38 amps, with an AC output of 210V, 3-phase, 0-200 Hz at 45 amps and 14 kW. The VCT (voltage control transformer) input is rated at 36V, single-phase, 50/60 Hz at 5.5 amps. Maximum symmetrical RMS short-circuit current is rated at 1300 amps.

This single-axis PWM servo controller is part of the Bulletin 1391 series and is designed for panel mounting within an enclosure. It features an integral 2-line, 16-character LCD display and a 5-button keypad for local parameter configuration. Status and enable LEDs on the front panel provide drive state indication. An integrated cooling fan is visible on the rear of the unit. The nominal DC bus voltage is 300V DC with a continuous output current of 45A RMS and a peak output of 90A RMS.

The 1391-DES45-DI is a discontinued Rockwell Automation product that was primarily paired with Allen-Bradley 1326 series AC servomotors. Hardware revision HT12 and serial number MEAD7UC6 are visible on the nameplate. The unit was manufactured in the USA. Compatible with closed-loop CNC and automated machine positioning applications. Instruction manual reference is 1391-5.3.

Stock # 0226-756

Please Note: This unit is surplus inventory, sold as-is from MRO Exchange surplus stock. Allen-Bradley is a trademark of Rockwell Automation, Inc. MRO Exchange is an independent reseller and is not an authorized distributor of Rockwell Automation. Product may differ from units available through authorized distributors in date code, country of origin, packaging, accessories, or firmware revision. The warranty from the manufacturer does not apply.

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Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.