This Omron SYSMAC EXPANSION RACK W/CJ1W-PA202, CJ1W-II101, 4-CJ1W-SRM21 COMPOBUS/S is an industrial replacement part manufactured by Omron. It's a replacement or spare part intended to restore proper function to the equipment it belongs to. It is commonly in OEM equipment and MRO (maintenance, repair, and operations) use.
