Replacement Power Supply Board 220V RK30475 RM3-7414 for 428 M428

Replacement 220V power supply board, part RK30475 (RM3-7414). This unit is manufactured as a direct swap for models 428 and M428, preserving the original electrical rating and mounting configuration. Ideal for repairs or refurbishments where the original power board has failed — installs in place of the OEM board to restore normal power operation. Compatible part numbers: RK30475 RM3-7414; fits: 428, M428.