ABB it has a large family of contacters: tripolar contacters and overload relays for engine startup and power switching (AF, minicontactors, AS), tetrapolars for switching the power (AF and minicontactors), auxiliary for the switching of auxiliary circuits (AS and minicontactors), for the switching of capacitors (UA.RA), CC.
The 1SFN010720R1011 reference specifically is a block of auxiliary contacts.
Its features are: Number of contacts normally opened: 1, Number of contacts normally closed: 1, Execution of electrical connection: threaded connection, Model: Upper mounting, Mounting type: Side mounting