The '02' indicates 2 positions. The '01-01' segment represents specific lead style and tail length options, though the exact dimensions for '01' in both positions are not explicitly detailed for the UPT series in the provided sources. The 'L' specifies the plating option as 10 µ" (0.25 µm) Gold on the contact and Matte Tin on the tail. The 'RA' indicates a Right Angle orientation. UPT identifies the Samtec PowerStrip™ 20 UPT series, which are Blade-Type Power Connector Assemblies.