SINVERT PVS1051 UL INVERTER FOR PV, GRID CONNECT. LV, UL 60HZ, 3P, STANDARD MPP, UMAX 600VDC, 9 DC-INPUTS, NEMA1, AIR COOLING, PV FIELD GROUNDING POS. POLE, SYMMETRY MONITORING, INTERFACE MEDIUM VOLTAGE DATA, INTERFACE CONTAINER DATA, CABINET HEATING