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For sale is a Mitsubishi MC301B/MC301 CNC Control Board BN624A822G52 Used. Mitsubishi Electric MC301B CNC control board, P/N BN624A822G52. Also marked MC301 on the front bracket. Made in Japan. Features: rack-style module with dual backplane connectors and multiple front I/O ports (blue high?density connectors labeled CMD11, CMD12, etc.). Several heatsinked ICs on board. Condition: used. Clean overall with light cosmetic wear and scratches on the bracket and PCB from handling. No obvious broken parts or burnt areas seen. See photos for details. Includes the board/module only; no cables, manuals, or accessories. Typical use: replacement part for Mitsubishi CNC/industrial control systems. Assumption: untested in our facility; functionality unknown.