Grid Tie 40kw Inverter Features :·DC input voltage up to 1000V·Maximum efficiency of 98.2%·Internal DC switch·Transformerless·Compact design·Multi MPP controller·MTL-string·Bluetooth/ RF technology/ WiFi·Sound control·Easy installation·Comprehensive Growatt warranty program.Datasheet YS 30000YS 33000YS 40000Input data (DC)Max. Recommended PV Power        (for solar panel STC)34500W36300W44000WMax. DC voltage 1000V1000V1000VStart voltage 250V250V250VPV voltage range180V-1000V180V-1000V180V-1000VMPP work voltage range/nominal voltage460V-800V/600V460V-800V/600V460V-800V/600VMax. input current 35A/35A38A/38A38A/38AMax. input current per string12A12A12ANumber of independent MPP trackers        /stings per MPP tracker2/42/42/4Output (AC)Rated AC output power 30KW33KW40KWMax. AC power 30KVA33KVA40KVAMax. output current45.5A50A50AAC nominal voltage ; range 3/N/PE,Website:http://www.yangtze-power.com,230V/400V        184-275V3/N/PE,230V/400V        184-275V3/N/PE,230V/400V        184-275VAC grid frequency; range50,60Hz;        44-55HZ/54-65HZ50,60Hz;        44-55HZ/54-65HZ50,60Hz;        44-55HZ/54-65HZAdjustable displacement power factor 0.9leading-0.9lagging0.9leading-0.9lagging0.9leading-0.9laggingTHDI＜3%＜3%＜3%AC connection 3/N/PE3/N/PE3/N/PEEfficiencyMax. efficiency98.2%98.2%98.2%Euro - eta97.6%97.8%97.8%MPPT efficiency99.5%99.5%99.5%Protection DevicesDC reverse polarity protectionyesyesyesDC switch rating for each MPPTyesyesyesOutput over current protection yesyesyesOutput over voltage protection-varistoryesyesyesGround fault monitoring yesyesyesGrid monitoring yesyesyesIntegrated all-pole sensitive leakage        current monitoring unit yesyesyesGeneral DataDimensions (W / H / D) in mm551*740*276551*740*276551*740*276Weight 61.6kg61.6kg61.6kgOperating temperature range -25℃…+60℃-25℃…+60℃-25℃…+60℃Noise emission (typical)≤55dB(A)≤55dB(A)≤25dB(A)Altitude2000m 2000m 2000m Self-Consumption at night ＜0.5W＜0.5W＜0.5WTopologyTransformerlessTransformerlessTransformerlessCooling conceptSmart Cooling Smart Cooling Smart Cooling Environmental Protection Rating IP65IP65IP65Relative humidity0~100%0~100%0~100%FeaturesDC connection H4/MC4 (opt)H4/MC4 (opt)H4/MC4 (opt)AC connection Screw terminalScrew terminalScrew terminalDisplayLCDLCDLCDInterfaces: RS232/RS485RF/Wi-Fi/Ethernetyes/yes/opt/opt/optyes/yes/opt/opt/optyes/yes/opt/opt/optWarranty: 5 years / 10 yearsyes/optyes/optyes/optCertificates and Approvals IEC62109, CE, G59, VDE0126-1-1, CQC