“This Harmony RXZ mounting adapter for DIN rail with flat pins is compatible with plug in relay RXM with 2 C/O, 3 C/O, 4 C/O and RPM with 2 C/O.””This mounting accessory is ideal to secure the relay in place.””Its simple modular design facilitates post installation servicing, modification and adaption of machines by non-specialists.””It can be matched with any relay in RZM and RPM ranges.”