APsystems APS-QT2 Quad Microinverter (12-year warranty)

The QT2 is a native three-phase quad microinverter with four DC inputs and dual MPPT, designed to connect up to four PV modules rated 650 W and above. It supports 208 V or 480 V three-phase grid connection, with output ratings of 1728 W at 208 V and 1800 W at 480 V.

The unit provides balancing three-phase output (L1, L2, L3) and is compatible with both delta and wye three-phase grids. It includes an integrated safety protection relay, adjustable power factor, and Reactive Power Control (RPC). The manufacturer lists a peak efficiency of 96.5%.

Components are encapsulated in silicone to reduce electronic stress, aid heat dissipation, and improve water resistance. The QT2 is rapid-shutdown compliant and communicates over encrypted ZigBee wireless for module-level performance data.