Allen-Bradley 20G11ND040JA0NNNNN PowerFlex 755 – Repair Available

Allen-Bradley 20G11ND040JA0NNNNN PowerFlex 755 AC drive, 480V AC, 40 A / 30 Hp normal duty, Frame 4: IP20/IP00 open, EMC filter, brake transistor, DC bus terminals. NJT Automation offers mail-in repair for the 20G11ND040JA0NNNNN with a 1-year warranty; replacement pricing is available on request.

Mail-in repair available now. Returned with a 1-year warranty. Replacement pricing on request.

Allen-Bradley 20G11ND040JA0NNNNN PowerFlex 755 AC drive, 30 Hp, 480V AC – front view

Allen-Bradley 20G11ND040JA0NNNNN PowerFlex 755 AC drive, 30 Hp, 480V AC – front view

Request Replacement Quote Request Repair QuoteEstimated $1,440.00

Part Number	20G11ND040JA0NNNNN
Price	On Request Previously sold for $2,299.99 USDAvailability and condition determine final quote.
Description	PowerFlex 755 AC drive, 30 Hp, 480V AC.
Shipping	UPS Ground included \| Next-Day Air and Worldwide Shipping available at checkout
Warranty	1-year full-function warranty provided by NJT Automation. Warranty details Included 1 year, full-function 2 years +15% of product price ($345.00) 3 years +25% of product price ($575.00) View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective 20G11ND040JA0NNNNN after your purchase for a 10% core credit. We also purchase old or damaged parts outright.

Availability

Available Level 1

This part is available through our Level 1 supplier network. Request a quote to confirm quantity, price, and next-day shipping options.

Inventory Level 1 RFQ

Level 1 parts come from vetted US suppliers we have worked with for years. Each unit is checked before it ships, so counterfeits, repackaged items sold as new, and worn-out equipment do not reach you. Every part carries the same NJT warranty and return policy as our own stock.

Request Quote Learn more about Inventory Levels

Repairs

20G11ND040JA0NNNNN Mail-In Repair Service

Estimated: $1,440.00

How the Process Works:

Submit Your RFQ: Complete the request-for-quote (RFQ) form with your exact requirements.
Receive a Quote: We respond ASAP - within 1 hour during business hours.
Approve and Pay: Agree to the quoted price, and we will issue an invoice payable via credit card or your preferred method.
Direct Shipping: Our normal shipping time is 3-5 business days, during which we thoroughly inspect and certify items to meet our high standards. If you request next-day air delivery, the item will be sent directly to you and arrive the following business day. Please note: These items are NOT available for local pickup at NJT Automation's location.

What We Offer

We source genuine parts from trusted U.S. channels and stand behind what we sell.

Our network has millions of parts ready to be delivered now.
Complete Transparency: Clear information on item availability.
Well-vetted components from trusted suppliers sourced from the USA.
Technical Support: Assistance, troubleshooting and hardware repairs.
Minimal Markup: The best sourcing service at a minimal cost.
Quick Delivery: Fast access to the parts you need to get your machines back up and running.
Dropship available • No branding on packaging

Part Number Decoder

PowerFlex 755 AC drive

20G11ND040JA0

PowerFlex 755 AC drive, 480V AC, 40 A / 30 Hp normal duty, Frame 4: IP20/IP00 open, EMC filter, brake transistor, DC bus terminals.

20G: BulletinPowerFlex 755: Rockwell Automation's 750-Series AC drive with embedded EtherNet/IP, five option slots, integrated motion (CIP Motion) and safety options; Frames 1…10.
1: Future useReserved position, always 1.
1: Input typeAC input with precharge, DC bus terminals fitted (for common-bus or external brake connections).
N: EnclosureIP20 (Frames 2…5) / IP00 (Frames 6…7), NEMA/UL Type Open; convertible to Type 1 with the 20-750-NEMA1 kit.
D: Voltage rating480V AC / 650V DC bus, three-phase input.
040: Output rating40 A normal-duty output current, 30 Hp motor. Frame 4 drive.
J: EMC filter / CM capInternal EMC filter fitted with the common-mode capacitor jumper installed (standard).
A: Dynamic brakingInternal dynamic-brake transistor fitted (standard on Frames 1…5, optional on 6…7); add an external resistor to use it.
0: Door-mounted HIMNo door-mounted HIM (Frames 1…7 take a 20-HIM-A6 / C6S on the front port; Frames 8…10 no door HIM).

Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Physical Data

Weight and DimensionsWeight37.5 lb (17.0 kg)H × W × D18.7 × 8.7 × 8.3 in. (474 × 222 × 212 mm)

Weight	17.0 kg (37.5 lb) Typical unit weight
Dimensions (H × W × D)	474 × 222 × 212 mm (18.7 × 8.7 × 8.3 in.) Frame 4, IP20 open type
Shipping Weight	21.3 kg (47.0 lb) Estimated: unit weight plus box and packing material; bills as 48 lb
Shipping Box (L × W × H)	30 × 24 × 18 in. (762 × 610 × 457 mm) Smallest standard box fitting the product with 4.5 in. cushioning per side

Product weight and dimensions are typical manufacturer-published values and may differ by series or option. Shipping box and weight are estimates for freight planning; the packed unit may ship in a different box.

Datasheet

Datasheet available for download

Generated from product specifications; not an official Allen-Bradley datasheet. For an official datasheet, contact Allen-Bradley or an authorized distributor.

Similar Part Numbers

20G11ND011JA0NNNNN Output rating: 11 A normal-duty output current, 7.5 Hp motor
20G11ND052JA0NNNNN Output rating: 52 A normal-duty output current, 40 Hp motor
20G11ND096JA0NNNNN Output rating: 96 A normal-duty output current, 75 Hp motor
20G11ND8P0JA0NNNNN Output rating: 8 A normal-duty output current, 5 Hp motor
20G11ND096AA0NNNNN Output rating: 96 A normal-duty output current; EMC filter / CM cap: Internal EMC filter fitted

Alternate Part Numbers

20G11ND040JA0NNNNN, 2OG11NDO4OJAONNNNN

Category

Part Number

20G11ND040JA0NNNNN

Manufacturer

Allen-Bradley

Previously sold 20G11ND040JA0NNNNN

1 sold

NJT Automation has supplied and shipped one 20G11ND040JA0NNNNN PowerFlex 755 AC drive in 2026; request a quote and we will source another from our supplier network.

Sold: 1 in 2026
Price: $2,300
Series: A × 1

The one 20G11ND040JA0NNNNN PowerFlex 755 AC drive sold in 2026 was used and went for $2,300.

Allen-Bradley 20G11ND040JA0NNNNN Used - previously sold by NJT Automation

Allen Bradley 20G11ND040JA0NNNNN /A PowerFlex AC Drive 480V 30HP + Warranty

$2,299.99 USD

Used

Can the 20G11ND040JA0NNNNN be repaired?

Yes. NJT Automation offers mail-in repair for the 20G11ND040JA0NNNNN, including diagnostic evaluation, component-level repair, and functional testing.

NJT Managed Repair

One vendor. One warranty. NJT manages the entire process.

1-year full-function NJT warranty, with 2- and 3-year options available
Rush service available for production-critical repairs
No evaluation or diagnostic charges
No repair, no charge
"Unrepairable" is not an option
Pre-paid UPS shipping label provided for sending your unit in
$650 minimum repair charge, shipping included both ways

Get an NJT Repair Quote

Looking for another option? For lower-cost repairs or if you prefer to work directly with an independent repair specialist, compare bids through RepairMode. RepairMode providers operate independently and set their own pricing and warranty terms.

Find a VFD repair specialiston RepairMode.com ↗

Common 20G11ND040JA0NNNNN failures

Failure patterns we regularly see on PowerFlex 755 AC drive hardware like the 20G11ND040JA0NNNNN:

Hardware overcurrent (F12) or ground fault (F13) from a failed IGBT / power structure
DC bus undervoltage / overvoltage (F4 / F5) from capacitor aging or regen energy
Heatsink overtemperature (F8) from failed fans or blocked airflow
Main control board or option module faults (EtherNet/IP, safety, feedback cards)
HIM display blank or unresponsive

Repair or replace?

ReplaceReplace the 20G11ND040JA0NNNNN when the motor is down and a same-rating PowerFlex 755 AC drive is on the shelf. Upload the parameters, download them to the new drive, and it is back on the motor. Order the exact 20G11ND040JA0NNNNN. The catalog number sets the 30 Hp, 480V AC rating, and a different suffix changes it. A replacement 20G11ND040JA0NNNNN is sourced on request, so compare its lead time with a repair before deciding.

RepairAt 30 Hp, the 20G11ND040JA0NNNNN is in the range where repair typically costs well under half of a new drive. Power modules, bus capacitors, precharge resistors and fans are replaced and the drive is run under load before it ships back. The two 20G11ND040JA0NNNNN symptoms we see most often are “Drive will not power up” and “Hardware overcurrent (F12) or ground fault (F13)”. If a replacement is already installed, repairing the failed 20G11ND040JA0NNNNN gives you a tested spare on the shelf for the next failure. The 20G11ND040JA0NNNNN repair is estimated $1,440.00, function-tested before return and covered by a 1-year warranty.

Functional test video

Bench test from a completed 20G11ND040JA0NNNNN repair.

RepairMode test video for 20G11ND040JA0NNNNN

Request a Repair Quote

Text photos of the faulty unit and the symptoms to (414) 331-5954.

Start Your Repair Today

Related services:VFD Repair All Repair Services

All product photos were taken by NJT Automation. Test videos originated from either NJT Automation internally or from repair technicians within our network.

Still have questions?

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

Frequently Asked Questions

What is the 20G11ND040JA0NNNNN?

The Allen-Bradley 20G11ND040JA0NNNNN is a PowerFlex 755 AC drive, 480V AC, 40 A / 30 Hp normal duty, Frame 4: IP20/IP00 open, EMC filter, brake transistor, DC bus terminals.

What condition is the 20G11ND040JA0NNNNN in?

The 20G11ND040JA0NNNNN is available in Unused surplus / Refurbished / Used condition. We can quote this part in unused surplus, refurbished, or used condition depending on availability and your preference. Specify your requirement in the RFQ.

When does this part ship?

This 20G11ND040JA0NNNNN is sourced on request, so sourcing and quote timelines apply. Request a quote and we'll confirm availability and lead time. Many parts can be sourced within a few business days through our Level 1 supplier network.

Can you ship this next-day air?

Yes. UPS Next Day Air is available at checkout for the 20G11ND040JA0NNNNN PowerFlex 755 AC drive. Place your order before 5:00 PM Central on a business day and your in-stock item ships the same day for next-business-day delivery.

Can I pick this item up locally?

Yes. Once your 20G11ND040JA0NNNNN has been sourced and is ready, free local pickup is available at NJT Automation, 2122 N Prospect Ave, Milwaukee, WI, during business hours.

What power input does the 20G11ND040JA0NNNNN require?

480V AC / 650V DC bus, three-phase input.

What is the power rating of the 20G11ND040JA0NNNNN?

40 A normal-duty output current, 30 Hp motor.

Disclaimer

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Independent Supplier

NJT Automation is an independent supplier of surplus, refurbished, and pre-owned industrial automation equipment. Unless expressly stated otherwise, NJT Automation is not an authorized distributor, dealer, representative, or affiliate of the original equipment manufacturer (OEM) for any products offered on this website.

Product Condition & Warranty

Products sold by NJT Automation may be surplus inventory, discontinued models, older series, or units with earlier manufacturing date codes than those currently available from the OEM or its authorized distribution network. As NJT Automation is not an authorized distributor, manufacturer warranties, support programs, and other OEM services may not apply. Any warranty provided is solely that of NJT Automation, where applicable.

Firmware & Software Licensing

Certain programmable logic controllers (PLCs), drives, HMIs, and other electronic products may require firmware to operate. While some products may include firmware, NJT Automation makes no representations or warranties regarding whether firmware is installed, the firmware version or revision level, its compatibility with your application, or its licensing status.

NJT Automation does not provide, obtain, transfer, or license firmware on behalf of customers. We make no representation regarding your ability or legal right to obtain, download, install, or use firmware from the OEM, its authorized distributors, or any other source. It is the customer's sole responsibility to ensure compliance with all applicable End User License Agreements (EULAs), software licenses, intellectual property rights, and other terms governing the acquisition, installation, and use of firmware.