PRCM18-8DN is a type of PRCM relay module manufactured by Autonics. It is a slim profile 5-channel solid state relay module with a rated control voltage of 24VDC. PRCM18-8DN includes 8 normally open (NO) and 5 normally closed (NC) contacts, rated for switching up to 6 amps at 120/240V AC. It can be used to control various electrical devices, including solenoids, motors, lamps, and more. The module also features short circuit protection and surge suppression. This type of product is typically used in industrial, control, automation, and CNC applications.