Model IQ7PLUS-72-2-US. Pairs with 60 cell / 120-half-cell or 72 cell / 144-half-cell PV modules (incl. bi-facial) and use up to 13 IQ7+ modules maximum @ 240v single phase (see the Quick Install Guide in photo). One MC4 connector for wiring to a PV module included with each IQ7+. Ten available.