MC4 In-line FuseLEADER® PV Cable Harnessesare manufactured with automated precision, offering optimal efficiency and long-term performance for small to large-scale PV systems. Certified by TUV/UL/IEC/CE standards and are suitable for Ø2.5-Ø16mm². LEADER® product certificates such as TUV Rheinland, UL, JET, DEKRA, Colombia RETIE, European CPR certification, CE, and ROHS. The intelligent and digital factory equipped in the Leader cable factory makes the whole process of production and inspection integrated,.