Apar Uniflex 4 Sq.mm DC Solar Cable Built to EN-50618/2014 standards, this single-core DC solar cable delivers the durability and safety performance demanded by rooftop and utility-scale solar installations alike. Rated for 1.5/1.5 kV DC (nominal) and up to 1.8 kV DC (max.), it's engineered with fine-wire annealed tinned copper conductors for superior flexibility and long-term corrosion resistance. The cable features electron-beam cross-linked, halogen-free XLPO insulation and outer sheath — offering excellent resistance to UV, ozone, acids, and alkalis, along with a rated service life of 25 years. With an operating temperature range of -40°C to +120°C and a current-carrying capacity of up to 70A in air, it's built to perform reliably across extreme environments and demanding installation conditions. #most reliable DC cable #best dc cable for solar