Allen-Bradley A25051-B Printed Circuit Board Assembly

The Allen-Bradley A25051-B Printed Circuit Board Assembly is a populated PCB module identified by the A25051-B part number and linked to equipment reference 1D28672. In aftermarket catalogs and stock listings, this same circuit board is cross-referenced as 2D28672 and, in some records, as D28622-1, which helps locate compatible listings across distributors. Cross-referenced identifiers are common across suppliers for the same module, reflecting how Allen-Bradley components are cataloged under alternate numbers in different catalogs and stock systems. As a circuit card assembly, it represents a single printed circuit board populated with components intended for integration into larger control or automation systems. Understanding these cross-references can simplify the search for exact replacements when dealing with legacy Rockwell/Allen-Bradley equipment.