Inverter for island systems Inverter/chargers 4000W 12V 5000VA Victron Energy Quattro 12/5000/220-100/100 Victron Energy QUA125020000 €2,909.69 Two AC inputs with integrated transfer switchThe Quattro can be connected to two independent AC sources, for example the public grid and a generator, or two generators. The Quattro will automatically connect to the active source. Add to basket