SolarFamily TM(SF in brief) series PV grid-tied inverters are string inverters specially designed for PV power station by B&B Power TM. It consists of 6 power levels, which provide more flexible choices for PV power plants. SF series string inverters are not only with high cost-effective, but also with modern appearance.Moreover, they strictly comply with the international certifications or standards, i.e. ISO, CE, Golden SUN, TUV, VDE, etc.FeaturesGlobal patented transformerless TopologyMaximum Efficiency 98%Dual MPPT inputs for wide voltage rangeCompact structure designMultilingual displaySimple national settingFlexibilityIndoor or Outdoor usage (IP65)Easy installation, free maintenanceSound controlBluetooth technologyProtection & ReliabilityAutomatic protection for over voltage, islanding, short circuit, overload and under voltage, Under load, etc.5 years free warranty; up to 20 years optional warranty