These photovoltaic (PV) system MC4 connectors are ideally suited to harsh installations such as solar panel arrays and other permanent outdoor applications. When matched with our solar power cables WH-3120 and WH-3122, you can leave your cabling out in the open with the knowledge that you will never have a bad connection or an oxidised power cable. Both panel mounting and in-line connectors are available to suit a wide range of system applications: Specifications. • Rated current: 30A at 70°C, 25A at 85°C • Contact resistance: <5 milliohms • Temperature range: -40 - 90°C • TUV certification: 2 PfG 1161/01.06 Assembly Tool: TH-1930 Suitable crimping tools: TH-1834 or TH-1950