The PHOENIX CONTACT part 2903339 is a highly convenient pre-assembled relay module with a push-in connection. It includes a relay base, a power contact relay, a plug-in display/suppressor module, and a retaining bracket. The relay module boasts a contact type of 1 PDT (Single Pole Double Throw) and an input voltage of 230 V AC. This reliable and compact module ensures efficient electrical signal switching in various industrial applications.