This nidec shimpco speed controller model LUB-3A-2-NRX-7 115 VAC is a control/interface board. It handles signal processing, communication, or logic functions as part of a PLC or machine control system, interfacing between the processor and connected I/O or peripherals. Key specifications noted on this listing include 115 VAC, 3A. It is commonly in factory automation and machine control retrofits.
