PIR6W and PIR6WB interface relays include several versions, such as screw or spring terminals, and a universal socket with an RM699BV electronic relay or RSR30 solid-state, miniature operational relay. They’re designed for direct mounting on 35-mm rail mounts, in accordance with UL end CE standards. PIR6W and PIR6WB relays can be linked with ZG20 strip-type connections, and have a green LED to indicate operating status. Separators provide optical division of interface relay groups. Their packaging incorporates a description plate and a movable ejector for protection and easy relay replacement.