The OPTO-22 part IDC5 is an I/O module relay input module designed for use with inputs ranging from 12VAC to 32VAC, with a maximum current rating of 25mA. This module offers reliable isolation up to 4000Vrms and features a convenient through-hole design for easy installation. Ideal for use in industrial and automation applications, the IDC5 provides a high level of performance and durability.