Allen-Bradley 1756-PB72 ControlLogix Power Supply 24V DC

Allen-Bradley 1756-PB72 ControlLogix power supply, 24V DC input (18…32V DC) chassis power supply: standard supply, 10 A at 5.1V DC (series A/B chassis). NJT Automation sources the 1756-PB72 on request; send the part number for a replacement or repair quote.

Quote required. Request a quote below for pricing and delivery.

Allen-Bradley 1756-PB72 ControlLogix power supply, 24V DC – Series C (1 of 7)

Actual NJT inventory photos

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Part Number	1756-PB72
Price	On Request Previously sold for $299.99 - $849.99 USDAvailability and condition determine final quote.
Description	ControlLogix power supply, 24V DC.
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 ($48.75) 3 years +25% of product price ($81.25) View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective 1756-PB72 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 1756-PB72 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.

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Part Number Decoder

ControlLogix power supply

1756PB72

1756: BulletinControlLogix: Rockwell Automation's chassis-based control platform (controllers, I/O, communication modules, power supplies and chassis).
P: Product typeChassis power supply: mounts on the left side of the ControlLogix chassis and powers the backplane.
B: Input voltage24V DC input (18…32V DC).
72: Output ratingStandard supply, 10 A at 5.1V DC (series A/B chassis).

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.

Series notes: Logix keys on catalog number and firmware revision, not series; with the default Compatible Module keying, any series of the same catalog number is accepted in the slot.

Intended Use

Built for ControlLogix chassis power applications. The supply converts incoming AC or DC control power to the backplane voltages for the controller and I/O modules; the AC/DC variant and current rating are matched to the chassis slot count and the plant's control-power source.

Physical Data

Weight and DimensionsWeight2.09 lb (0.95 kg)H × W × D5.5 × 4.4 × 5.7 in. (140 × 112 × 145 mm)

Weight	0.95 kg (2.09 lb) Typical unit weight
Dimensions (H × W × D)	140 × 112 × 145 mm (5.5 × 4.4 × 5.7 in.) Standard power supply
Shipping Weight	1.68 kg (3.71 lb) Estimated: unit weight plus box and packing material; bills as 4 lb
Shipping Box (L × W × H)	12 × 12 × 12 in. (305 × 305 × 305 mm) Smallest standard box fitting the product with 3 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.

Allen Bradley Information

Technical SpecificationsLifecycle status

Lifecycle	Active Verify current status with the manufacturer.

Previously sold 1756-PB72

4 sold

NJT Automation has supplied and shipped 4 1756-PB72 ControlLogix power supplies since 2025; request a quote and we will source another from our supplier network.

Sold: 4 since 2025
Series: C × 4

Sold

Allen Bradley 1756-PB72 /C ControlLogix 24VDC Power Supply - Open Box

$849.99 USD

Unused surplus (open box)

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Sold

Allen Bradley 1756-PB72 Ser C ControlLogix 24V DC Standard Power Supply 1756PB72

$699.99 USD

Unused surplus (open box)

Request Quote

Sold

Allen Bradley Control Logix 1756-PB72 /C 24VDC Power Supply 1756PB72

$349.99 USD

Used

Request Quote

Sold

Allen Bradley 1756-PB72/C ControlLogix 24V DC Power Supply 1756PB72/C

$299.99 USD

Used

Request Quote

Still have questions?

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

Frequently Asked Questions

What is the 1756-PB72?

The Allen-Bradley 1756-PB72 is a ControlLogix power supply: 24V DC input (18…32V DC) chassis power supply: standard supply, 10 A at 5.1V DC (series A/B chassis).

What condition is it in?

The 1756-PB72 may be available on request 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.

How much does it cost?

At NJT Automation, 4 1756-PB72 ControlLogix power supplies have sold since 2025 for $300 – $850, with a median of $525. By condition, used ControlLogix power supplies went for $300 – $350 and unused surplus ControlLogix power supplies went for $700 – $850. None are in stock at the moment; request a quote for current pricing.

When does this part ship?

The 1756-PB72 is sourced on request. Request a quote and we'll confirm availability and lead time, typically a few business days.

What power input does it require?

24V DC input (18…32V DC).

What is its power rating?

Standard supply, 10 A at 5.1V DC (series A/B chassis).