The Honeywell UDC3500 CONTROLLER DC3500-RE-2B2C-150-00000-00-0 90-250 VAC 24 VA is a control/interface board from Honeywell. 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 90-250 VAC, 250 VAC. It is commonly in OEM equipment and MRO replacement for industrial control systems.
