This is a UL (Underwriters Laboratories) flammability rating, indicating that the plastic material on the board stops burning within 10 seconds on a vertical specimen.
If you can provide a clear photo of the part’s markings or the original label, I can give you the exact manufacturer, series, and a link to the correct verified PDF. Without that, no responsible engineer or inspector would accept “tpts mv0s” as a valid certification.
– Possible Connector Series?
: This is a flammability standard from Underwriters Laboratories (UL), indicating the material is self-extinguishing within 10 seconds and does not produce flaming drips. Verified Documentation & Parts