What the description tells you
The 3RA9011-5AA01: The official description reads 'Set for FA. BESEL 60 T/1714 §§§' — this likely indicates a factory-assembled configuration for a specific application (FA = factory-assembled), with the BESEL 60 T/1714 referencing a particular enclosure or mounting variant. As a motor starter in the Siemens catalog, this unit integrates a contactor and overload relay in a single housing, sized for direct-on-line starting of three-phase motors in control panels.