Cincinnati Milacron 3 531 4637A PCB Circuit Board

Cincinnati Milacron 3-531-4637A PCB Circuit Board is a replacement printed circuit board assembly designed for use in Cincinnati Milacron equipment. The part is listed in catalogs as 3-531-4637A and is also referenced as 35314637A Rev A in distributor records, confirming its role as a Milacron control-board repair part. Some third‑party listings indicate a no‑metal‑frame configuration for this model, pointing to variants of the same PCB that ship without an external frame. As a spare part, it serves as a direct substitute for machine control panels and related circuitry within compatible Milacron systems, providing the electronic interfaces and signal routing required for core control logic, sensors, and actuators. Buyers should verify the exact Milacron machine model and revision level to ensure compatibility with the 3‑531‑4637A board, since part-to-machine fit can vary between generations and production lots.