The OPTO-22 part OAC5 is an efficient and reliable I/O Module Relay Output Module designed for a variety of applications. With a sturdy construction and a 4000Vrms rating, this module ensures optimal performance and durability. It features a convenient thru-hole/plug-in design, allowing for easy installation and maintenance. Ideal for controlling various devices and systems, the OAC5 offers unparalleled reliability and versatility in any industrial environment.