Outdoor Inverter for 1500 Vdc System 1+X Modular Inverter User Manual SG3300/4400UD-20 HIGH YIELD Advanced three-level technology, max. inverter efficiency 99% Effective cooling, full power operation at 50 ℃ EASY O&M Integrated zone monitoring function for online analysis and trouble shooting Modular design, easy for maintenance SAVED INVESTMENT Low transportation and installation cost due to outdoor design DC 1500 V system, low system cost Q at night function optional GRID SUPPORT Compliance with standards: IEC 61727, IEC 62116 Low/High voltage ride through (L/HVRT) Active & reactive power control and power ramp rate control Download the files for your References DATA SHEET SG4400UD-20 DatasheetTypeDatasheetLanguageEnglishSG3300UD-20 DatasheetTypeDatasheetLanguageEnglish