3VL5731-1EM46-0AA0 SIEMENS

Code / Model: 3VL5731-1EM46-0AA0
Manufacturer: SIEMENS
Department: Automation and control of processes
Category of products: Contactors and Auxiliary Contacts
Sub-category: Contactors
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INT. AUT. VL630N 4X315A DISTR TM

This appears to be a location identifier or code.

Let me know if you'd like me to try and decipher its meaning based on common conventions for such codes.