Generator connection box DCU 2 YPV 1100 2M 1S with protection class IP65. According to DIN EN IEC 61439-2 for protecting two MPP inputs and one string each. 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).