This is a non-isolated DC-DC buck converter module based on the Mean-Well NID100 series.
Input range works great for a 24, 36, or 48 V main power supply. You can go as low as 12V for the 5V output version.
Datasheet: https://www.meanwell.com/Upload/PDF/NID100/NID100-SPEC.PDF
Available versions:
| NID100-5 - 5V output |
11A | 10.5 - 53 Vin |
| NID100-12 - 12V output | 7.5A | 20 - 53 Vin |
| NID100-15 - 15V output | 6.5A | 20 - 53 Vin |
| NID100-24 - 24V output | 4.2A | 30 - 53 Vin |