This grid tie inverter is high utilization of solar energy machine by using MPPT (maximum power point tracking) technology, which is a necessary for every home.<br><br>Features:<br>Pure sine wave output.<br>Fed the power to city net.<br>High utilization of solar energy by using MPPT (maximum power point tracking) technology.<br>Over current protection.<br>Reverse polarity protection, avoid machine fault.<br>Support stackable (connect in parallel for higher output).<br>LED indicators reflect well working condition or machine fault.<br>Aluminum alloy housing, not rust, heat-resisting and cold-resisting as well as anti-corrosion.<br>Environment friendly.<br>Simple and safe to install.<br><br>Specifications:                                        Power                                            400W                        <br>                                    Solar Panels                                            Vmp: 26-30V; Voc:34-38V Vmp: 35-39V; Voc: 42-46V                        <br>                                    DC Input Range                                            22-60V DC                        <br>                                    MPPT Voltage                                            24-48V                        <br>                                    DC MAX Current                                            30A                        <br>                                    AC MAX Output                                            430W                        <br>                                    AC Output Range                                            230VAC(190-260VAC)                                        <br>                                    Frequency Range                                            50Hz/60Hz(Auto Control)                        <br>                                    Power Factor                                            &gt;97.5%                        <br>                                    THD                                            &lt;5%                        <br>                                    Phase Shift                                            &lt;2%                        <br>                                    Peak Efficiency                                            &gt;88%                        <br>                                    Protection                                            Islanding; short-circuit; converse connection; low voltage; over voltage; over temperature protection                        <br>                                    Work Temperature                                            -25-65 degrees                        <br>                                    Work Environment Humidity                                            0%~90%RH non-condensing                        <br>                                    Grade of Waterproof                                            Indoor design                        <br>                                    Show                                            LED                        <br>                                    Cooling                                            Fan                        <br>                                    Stand-by Power                                            2-3W                        <br>                                    EMC                                            EN61000-6-3:2007 EN61000-6-1:2007                        <br>                                    Grid Disturbance                                            EN 50178+EN 62109-1+VDE0126-1-12                        <br>                                    Grid Detection                                            DIN VDE 1026 UL1741                        <br>                                    Certificate                                            CE                        <br>                                    Item Size                                            21 * 16.5 * 5.3cm / 8.26 * 6.46 * 2.08in                        <br>                                    Item Weight                                            1.3kg / 2.86Lb                        <br>                                    Package Size                                            31 * 21 * 11.5cm / 12.20 * 8.26 * 4.52in                        <br>                                    Package Weight                                            1.75kg / 3.85Lb                        <br>    <br><br>Package List:<br>1 * Micro inverter<br>1 * AC cord<br>1 * User manual (English)