The Allen-Bradley 1745-LP157 is a versatile unit from the SLC 150 Programmable Controller series, designed to enhance your control system with advanced yet straightforward operation. Featuring 20 input and 12 output terminals, this unit accommodates a broad input power range of 10 to 50V and supports 10-250V AC and 10-125V DC relay outputs. With the capability to expand I/O up to 112 circuits and compatibility with SLC 100 devices, it integrates seamlessly into microprocessor-based controllers, while its color-coded expansion units facilitate easy identification and installation.