URD-0400B Home » Products » URD-0400B November 16, 2021 by admin View Our Products Unitronics URD-0400B facebook linkedin UniStream Remote IO - 4 Digital Inputs, 120VAC, 10RTB, UniStream™ Remote I/O Digital Input Modules Category: Unitronics Related Products IO-DI6A3 EX-DI16A3 V280-18-B20B V230-13-B20B V120-22-R1 Next Product URD-0400C Previous Product URD-0800