... protection functionWide temperature rangeSpecification:Non-Isolated PV on-grid solar inverter ModelItemSPI1500-BSPI2000-BSPI3000-BSPI4000-BSPI4600-BRated ... protection ,output over voltage protection, over load protection, grid abnormal protection, anti-islanding protectionDimension(W*D*H) (mm ... (Kg)1524Protection GradeIP65, meet IEC60529 standard Transformerless Grid tie PV Solar Panel Inverter