Allen-Bradley 1756-PB75/QK ControlLogix Power Supply
Allen-Bradley 1756-PB75/QK ControlLogix Power Supply. NJT Automation sources the 1756-PB75/QK on request; send the part number for a replacement or repair quote.
Quote required. Request a quote below for pricing and delivery.
| Part Number | 1756-PB75/QK |
| Price | On Request Availability and condition determine final quote. |
| Description | Allen-Bradley 1756-PB75/QK ControlLogix Power Supply. |
| 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
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| Returns | 90-day free returns. View return policy |
| Exchange | Send us your defective 1756-PB75/QK 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/QK 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. | ||||||||
| Repairs | 1756-PB75/QK Mail-In Repair Service | ||||||||
Intended Use | Intended 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)
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 | Allen Bradley ControlLogix Power Supply 75W, 18-32V DC input, 1.2-1.5A output. Technical SpecificationsLifecycle status
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Alternate Part Numbers | 1756PB75/QK, 1756 PB75 QK | ||||||||
| Category | ControlLogix | ||||||||
| Part Number | 1756-PB75/QK | ||||||||
| Manufacturer | Allen-Bradley | ||||||||
Can the 1756-PB75/QK be repaired?
Yes. NJT Automation repairs the 1756-PB75/QK 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.
Prefer an independent shop? Compare bids on RepairMode; providers set their own pricing and warranty.
Find a PLC repair specialiston RepairMode.com ↗Common 1756-PB75/QK failures
Failure patterns we regularly see on ControlLogix chassis power supply hardware like the 1756-PB75/QK:
- 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
- Output voltage sagging under a full chassis load (power supply cannot hold 5.1V)
- Power LED flickering or off while input power is present
Repair or replace?
Photos by NJT Automation; test videos from NJT or network repair technicians.
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