These transformerless inverters have direct plug-in terminal ports that provide easy, safe and reliable cable connection under any circumstances. The inverters can be used for string-connected outdoor small PV power stations, or individually for a small house. The inverters are German BDEW medium voltage guideline compliant with a maximum efficiency of 98 percent.
The SG250KU inverter designed by Sungrow for the U.S. market has recently been certified with the CSA, soon after the certification of the SG250KC for the Canada market. Therefore, 250KW inverters developed by Sungrow for the North American region have been certified with CSA.