The SG4.0RS from Sungrow Corporation is a DC to AC Inverter with DC Input Voltage 40 to 600 V, AC Output Voltage 154 to 276 V, AC Output Current 17.4 to 18.2 A, Output Power 4000 W, Temperature Operating Range -25 to 60 Degree C. Tags: Module. More details for SG4.0RS can be seen below.