Generator junction box for PV systems up to 1000 V dc in accordance with IEC 61439, fully assembled and wired ready for connection. The housings are made of high-quality thermoplastic and are protectively insulated, protection class IP 65. If required, PV generator junction boxes are equipped with surge arresters, generator disconnectors and string fuses. They are suitable for protected outdoor installation and are UV-resistant. Wall mounting is done using external brackets made of stainless steel. PV generator junction box with DC surge arrester type 2 and DC generator disconnector. 2 x PV string to 1 x inverter input. The plug connections are compatible with MC4. Cover locks for tool operation.