Allen-Bradley 1756-PB75/H ControlLogix Power Supply 24V DC

Allen-Bradley 1756-PB75/H ControlLogix power supply, 24V DC input (18…32V DC) chassis power supply: standard supply, 13 A at 5.1V DC (series B/C chassis). NJT Automation sources the 1756-PB75/H 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-PB75 ControlLogix power supply, 24V DC – front view

Actual NJT inventory photos

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Part Number	1756-PB75/H
Price	On Request Availability 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 3 years +25% of product price View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective 1756-PB75/H 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-PB75/H 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

1756-PB75/H Mail-In Repair Service

Part Number Decoder

ControlLogix power supply

1756PB75

24V DC input (18…32V DC) chassis power supply: standard supply, 13 A at 5.1V DC (series B/C chassis).

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).
75: Output ratingStandard supply, 13 A at 5.1V DC (series B/C chassis).

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

Intended Use

Designed 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.

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.

Allen Bradley Information

Technical SpecificationsLifecycle status

Lifecycle	Active Verify current status with the manufacturer.

Can the 1756-PB75/H be repaired?

Yes. NJT Automation repairs the 1756-PB75/H 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

Compare quotes from independent repair technicians. Post your repair on RepairMode to receive competitive bids from experienced technicians. Each technician sets their own pricing and warranty.

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Common failures

Failure patterns we regularly see on ControlLogix power supply hardware like the 1756-PB75/H:

Power LED flickering or off while input power is present
Thermal shutdown in a hot enclosure with no clearance around the supply
Fuse / input protection damage on AC-input supplies after a lightning event
Dead rack: no backplane power after an input surge or a failed input section
Chassis-wide resets or module faults from aged output capacitors and 5V ripple

Related services:PLC 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 1756-PB75/H?

The Allen-Bradley 1756-PB75/H is a ControlLogix power supply: 24V DC input (18…32V DC) chassis power supply: standard supply, 13 A at 5.1V DC (series B/C chassis).

What condition is it in?

The 1756-PB75/H 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 1756-PB75/H 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, 13 A at 5.1V DC (series B/C chassis).