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

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

Sourced on request

We do not have a 20G11ND040JA0NNNNN on the shelf right now. We can source one through our supplier network; request a quote and we confirm availability, price and lead time before you commit.

Sourcing

Sourced through our Level 1 network of vetted US suppliers. Each unit is checked before it ships and carries the same NJT warranty and return policy as our own stock. Quotes within one hour during business hours; typical delivery 3–5 business days, next-day air available. Sourced parts are not available for local pickup.

Request Quote How Level 1 sourcing works

Repairs

20G11ND040JA0NNNNN Mail-In Repair Service

Estimated: $1,440.00

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.

Series & Revisions

No series in stock today; request a series above.

Intended Use

Built for high-performance, networked motor control applications. PowerFlex 753 and 755 drives run conveyors, pumps, fans, extruders, cranes, winders and machine axes from 1 to over 1,000 Hp, with embedded EtherNet/IP, safety options, feedback cards and Logix integration via Premier Integration.

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

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.

Sold

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

$2,299.99 USD

Used

Request Quote

Can the 20G11ND040JA0NNNNN be repaired?

Yes. NJT Automation repairs the 20G11ND040JA0NNNNN by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.

NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.

Get a repair quoteor text photos and symptoms to (414) 331-5954

Prefer an independent shop? Compare bids on RepairMode; providers set their own pricing and warranty.

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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.

Open the 20G11ND040JA0NNNNN test video page

Related services:VFD Repair All Repair Services

Photos by NJT Automation; test videos from NJT or network repair technicians.

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?

The 20G11ND040JA0NNNNN is sourced on request. Request a quote and we'll confirm availability and lead time, typically a few business days.

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.