The Windmaster 500 and Solardin 600 are grid connected inverters which offers a simple solution when connecting solar panels and wind turbines to your household mains supply. With it's light weight and compact size some 6000 of which have already been sold by Mastervolt for small 4-6 module based grid connected solar systems. These units can be installed inside existing meter cupboards or in outbuildings (but it is not suitable for outdoors). Connection to the input of the inverter from your turbine or solar is provided by 2 dedicated DC power plugs. The output is then connected to the mains.