The FRONIUS SYMO is an inverter suitable for 3 phase phase houses. FRONIUS has a great reputation in Australia and many people opt for this inverter or SMA for a high-end solution that boasts reliability. FRONIUS is a company that was established in Austria in 1945; they have had an Australian office since 2010 and their inverters are still made in Austria. They are a fine choice if you are looking for a European inverter.