The H4CFC4DI is a female H4 Helios cable connector designed for photovoltaic interconnection systems. It is specifically configured for 4.0 mm²/12AWG cable and has a rated current of 45A, with dual voltage ratings of 1500V DC (TUV) and 1000V DC (UL). The connector features a tin-plated copper contact system with a RADSOK® insert and a polycarbonate insulation body rated to UL94 V-0. A secure snap-lock mechanism requires a special tool to un-mate, ensuring connection integrity. With an IP68 rating and a wide ambient temperature range of -40°C to +85°C, it is built for reliable performance in harsh outdoor solar applications.