Generator connection box DCU 2 YPV 1100 1M 2S with protection class IP65. According to DIN EN IEC 61439-2 for protecting 1 MPPT and 2 strings. Three-stage DC switching device with combined disconnection and short-circuiting device with safe electrical isolation. For use in accordance with DIN IEC 60364-7-712:2011-04 (installation of photovoltaic supply systems).