{"product_id":"allen-bradley-634489-a-rev-4-upj-control-module","title":"Allen-Bradley 634489 A REV-4 UPJ Control Module","description":"\u003cdiv\u003e\u003cp\u003eAllen-Bradley 634489 A REV-4 UPJ Control Module is a legacy Allen-Bradley PCB control board designed for use in 7300-UPJ control systems. This Rev-4 variant identifies the fourth engineering revision of the 634489 family. The module functions as the UPJ control component within compatible Allen-Bradley equipment and is commonly used as a direct replacement part to restore operation in legacy machines that rely on UPJ control architecture. In typical applications, technicians replace a failed or aging UPJ control module with the same 634489 A Rev-4 part to maintain continuity of control workflows in 7300-UPJ-equipped systems. The part designation 634489 A and Rev-4 help confirm compatibility with the corresponding UPJ assemblies from Allen-Bradley, ensuring you’re sourcing an authentic AB control module for legacy automation setups.\u003c\/p\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":46244365566186,"sku":null,"price":376.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-081.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/allen-bradley-634489-a-rev-4-upj-control-module","provider":"GTG Hardware","version":"1.0","type":"link"}