Allen-Bradley 1746-P1 Discontinued SLC rack-mount power supply | Legacy RFQ

Product Identification and Lifecycle

Allen-Bradley 1746-P1 is a manufacturer-discontinued slc rack-mount power supply associated with installed SLC 500 automation equipment. Rockwell Automation lists this exact catalog number as discontinued effective 2020-09-30, with the replacement category recorded as Engineering replacement. Unlike a standard stock catalog, this RFQ listing serves maintenance teams looking for an exact legacy component to keep existing machinery operating. The published lifecycle status is not proof of supplier stock or availability. Corwin Solutions investigates third-party sourcing only when an actual request is received.

Technical Details and Product Specifications

• Manufacturer: Allen-Bradley / Rockwell Automation
• Catalog number: 1746-P1
• Product designation: SLC rack-mount power supply
• Lifecycle: Discontinued
• Discontinued date: 2020-09-30
• Replacement classification: Engineering replacement
• Technical identifying information: Rack-mounted SLC power supply; verify input supply and output loading before selection
• Intended installation: Existing SLC 500 legacy controls, subject to model verification
• Inventory and condition: Quote required, with condition and availability confirmed per supplier offer

Equipment Function and Installation

The main purpose of the 1746-P1 is to support slc rack-mount power supply within the original control-system architecture. Its specific identifying characteristics include: Rack-mounted SLC power supply; verify input supply and output loading before selection. Confirm the original machine bill of materials, controller chassis label, module series, and installed connections before specifying an order. In legacy repair work, the same family name can cover parts with different dimensions, electrical ratings, mounting details and allowable configurations. An incorrect series or variant may be unusable, even if the replacement looks similar. Qualified personnel should inspect the power-down and electrostatic-handling procedures before replacing cabinet equipment.

Typical Industrial Applications

• Maintenance of older programmable-control panels supporting factory production machines.
• Restoration of existing packaging, processing, conveying and material-handling machinery.
• Original-equipment repairs where the installed SLC platform remains in service.
• Critical spare-part acquisition for planned shutdown maintenance.
• Legacy equipment support pending a scheduled engineering migration or retrofit.

Discontinued Parts Sourcing

The manufacturer lifecycle record shows that 1746-P1 is discontinued, and its replacement category is engineering replacement. A replacement category does not guarantee drop-in compatibility; a newer solution may require engineering changes, cabinet modification, revised wiring, programming, approvals or commissioning. Independent supply channels sometimes offer new-old-stock, unused surplus, refurbished or tested-used components, but provenance and condition must be verified for each offer. Corwin Solutions should review seller identity, part-label photographs, series or revision, functional testing evidence where relevant, return conditions, shipping costs and documentation before issuing a quote. Prices, lead times and warranties cannot be assumed from this listing.

Compatibility and Replacement Notes

To avoid a costly ordering error, compare the exact 1746-P1 model with the removed unit and the applicable Rockwell documentation. For chassis products, check slot count, mounting clearance, existing supply fit and controller layout. For supplies, review line voltage, output current and backplane loading. For input modules, compare input types, wiring and module addressing. For covers and fillers, physical compatibility and the associated assembly are the primary requirements. The identifying configuration for this part is Rack-mounted SLC power supply; verify input supply and output loading before selection. Do not assume that a related suffix or successor number will fit the existing installation. Retain controller programs and configuration records before making system changes.

Request a Quote

To request pricing for discontinued Allen-Bradley 1746-P1, send Corwin Solutions the quantity, shipping destination, target delivery, required condition and any relevant hardware revision. A photograph of the installed part and details about the system can help narrow the correct replacement. We can research potential independent suppliers and respond with a written offer after confirming real availability and delivered cost. This product page does not promise in-stock inventory, new factory production, fixed pricing or a guaranteed replacement. Availability, authenticity checks and any warranty are determined by the specific quotation.