The Solis S5-GR3P6K is a 6kW three-phase on-grid solar inverter with two MPPT trackers, 98.3% maximum efficiency, and an 8-year warranty. It accepts up to 9kW of PV input at a maximum 1100V.
Three-phase at 6kW for larger homes and small offices. If your building has a three-phase connection, which most large homes, villas, and offices do, this is the unit you need: a three-phase inverter distributes generation evenly across all three lines as your DISCOM requires. At 6kW it suits a large household with substantial daytime load, a small office, or a showroom. If you are on single-phase, tell our team and we will point you to the right alternative the phase is the one specification that must match your supply.
How an on-grid system works. No batteries, nothing to replace in five years, nothing to maintain. The inverter converts DC from your panels to AC, powers your load through the day, and exports the surplus through net metering so your meter runs backward the credit offsets your night and monsoon consumption. It is the simplest solar configuration and the shortest payback, and at this rating the PM Surya Ghar subsidy may apply. Tell our team your consumption and we will show you the net cost after subsidy.
9kW of PV input on a 6kW inverter. That 1.5:1 ratio lets you build a larger array than the nameplate suggests. Panels rarely hit rated output in real conditions, so an oversized array generates through more of the day more in early morning and late afternoon, better under monsoon cloud, more total units across the year.
98.3% efficiency and a wide input range. At 98.3% this sits near the top of what string inverters achieve, and the 160-1000V MPPT range with an 1100V maximum gives your installer real latitude in string design longer strings, fewer parallel runs, more flexibility on a constrained roof.
Two MPPT trackers. Each handles 16A operating current (20A short-circuit), managing its own string independently so a roof facing two directions, or with afternoon shading from a tank or parapet, still generates properly rather than being dragged down to the weakest string.
The 8-year warranty. Most inverters in this class ship with 5 years standard. Eight years is three additional years on the component most likely to fail before your panels do.
Sizing it correctly. A 6kW inverter suits an array up to 9kW, roughly 12 to 18 panels at 500W. Tell our team your monthly bill, roof layout and phase connection, and we will confirm 6kW three-phase is right for your setup.
SolarClue is India's managed solar marketplace. Our team confirms this inverter matches your panel array, your three-phase supply and your DISCOM's net metering requirements before you order, and handles your PM Surya Ghar subsidy application if your system qualifies. Compare it against Growatt and Deye at the same rating on our platform. You book with a token payment rather than the full amount upfront. Supply and installation are coordinated through verified partners, and we handle Solis warranty support afterwards. Check the current on grid solar system price and talk to our team for a specification review and installation timeline in your city.
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