Allen-Bradley PowerFlex 520 Parts

VFD • 9 parts available

Variable frequency drives control AC motor speed and torque. Inventory here includes PowerFlex and related drives used for pumps, conveyors, fans, and machine axes. Need repair? We offer VFD repair services.

Featured PowerFlex 520 in stock

High-value Milwaukee inventory matched to this product line.

25A-D4P0N104

Used

$199.99 USD

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Part Number	Description
25A-D4P0N104	Allen Bradley 25A-D4P0N104 /B PowerFlex 523 AC Drive 480V 3-Phase 25AD4P0N104 · Used · $199.99 USD
25A-D013N104	AC Drive Adjustable Frequency - PWM SVC Sensorless Vector V/Hz 480V AC
25A-D017N104	AC Drive Adjustable Frequency - PWM SVC Sensorless Vector V/Hz 480V AC
25A-D017N114	AC Drive Adjustable Frequency - PWM SVC Sensorless Vector V/Hz 480V AC
25A-D024N104	AC Drive Adjustable Frequency - PWM SVC Sensorless Vector V/Hz 480V AC
25A-D2P1N101	Allen Bradley 25A-D2P1N101
25A-D2P1N102	Allen Bradley 25A-D2P1N102
25A-D2P1N103	Allen Bradley 25A-D2P1N103
25A-D2P1N104	Allen Bradley 25A-D2P1N104

PowerFlex 520 buying & repair guidance

When ordering or requesting a quote, include the full catalog string from the unit's nameplate. Series and revision letters affect fit, firmware, and application compatibility.

Common PowerFlex 520 failures

DC bus capacitor wear leading to undervoltage or overvoltage trips
IGBT or power stage failure after overload or grounding faults
Cooling fan failure and thermal faults
Control board or I/O option module communication errors

Series & revision differences

Frame size, voltage class, and control options (encoder, EtherNet/IP, Safe Torque Off) must align. Catalog suffixes often encode firmware and option packages. Verify against the existing nameplate.

Repair or replace?

Repair is cost-effective for intermittent faults and board-level failures. Replace when the drive is obsolete, horsepower needs have changed, or a plant standard requires a newer PowerFlex generation.

PowerFlex VFD repair Request a replacement quote Search inventory All Allen-Bradley products

Still have questions?

Find answers to shipping, warranties, repairs, and more.

Frequently Asked Questions

Do you stock Allen-Bradley PowerFlex 520 parts?

Yes. NJT Automation maintains surplus and refurbished PowerFlex 520 inventory in Milwaukee, with additional sourcing when a specific catalog number is not on the shelf. In-stock items above can ship the same business day when ordered by the cutoff.

Can you repair PowerFlex 520 VFD hardware?

In most cases, yes. We offer mail-in repair with testing and a 1-year warranty, with 2- and 3-year extended options available. Send photos and the catalog/series from the nameplate for a repair quote, often faster than waiting on obsolete new stock.

What if my exact series letter is not listed?

Request a quote with the full catalog string and series from the nameplate. We can confirm whether a nearby series is compatible or source the exact revision you need.

How fast can PowerFlex 520 parts ship?

In-stock Milwaukee inventory typically ships the same business day when ordered before the cutoff, with ground and expedited options. Local pickup can be arranged. Contact us to schedule.