Reliance 45C37B Remote IO Interface Module

The 45C37B Remote I/O Interface Module is a Reliance Electric Automate remote I/O interface that serves as the bridge between distributed field I/O and the Automate controller in Reliance AutoMax/Automate installations. The unit is a two-board head enclosed in a metal housing, a common configuration for this class of interface hardware. Catalog listings identify the 45C37B as a Remote I/O Interface Card, with compatible variants such as 59018-1RG and 59007-3H. In some catalogs the same family is described as a Remote I/O Head (A45C37B), underscoring its role at the interface between the central control logic and remote I/O blocks. This module supports expanding automation capabilities by adding remote input/output points to an Automate system and is frequently encountered in used, refurbished, or surplus inventories from automation distributors.