... energy, wind power, gas discharge lamps, etc; PV grid-connected inverter 1-100kw (single or three phase, AC110/120/220/ 230 ... is not to worry any power waste, because by connecting inverter to grid, it can save any surplus electricity. Features: Wide ... functionDesigned to suitable for critical grid environmentBottom :Front :Side: Solar hybrid inverter with G83,VDE,SAA,CE certificate 1kw ,2kw ,3kw ,4kw ...