String Inverters Source Point 226 listings
Grid-tied string inverters for residential and commercial arrays: single-phase 240 V units from about 3 kW to 11.4 kW and three-phase 208 V or 480 V units up to 125 kW, from SMA, Fronius, SolarEdge, Solis and other brands.
Tell suppliers the AC rating, grid voltage and phase, number of MPPTs, maximum DC input voltage (600 V, 1000 V or 1500 V) and whether you need UL 1741-SB, rapid-shutdown or an integrated DC disconnect.
In-stock units ship from US warehouses. Allocated models become a sourcing request and suppliers confirm lead time, warranty term and freight before you commit.
Fronius Primo 3.8-1, 3.8kW Single-Phase String Inverter
Fronius Primo 5.0-1, 5kW Single-Phase String Inverter
Fronius Primo 7.6kW Single Phase String Inverter
Fronius Symo Advanced 20kW 3 phase Commercial Inverter
COTEK 3000W 12VDC 115VAC Pure Sine Wave Inverter
SMA Sunny Boy 3.8-US Inverter
SMA Sunny Boy 6.0-US String Inverter
Fronius Symo Advanced 22.7kW 3-phase Inverter
Fronius Symo Advanced 24kW 3 phase Commercial Inverter
Showing 217–226 of 226 listings · page 10 of 10
What to include in your request
- AC output (kW) and grid voltage: 240 V split-phase, 208 V or 480 V three-phase
- MPPT count and maximum DC input voltage
- UL 1741-SB, IEEE 1547 and NEC 690.12 rapid-shutdown compliance
- Monitoring interface (Ethernet, Wi-Fi, cellular) and warranty length
- Quantity, delivery ZIP and required ship date
Buying for a business or an installer crew? Request volume quotes through Solar Pro for pallet and container pricing with dedicated support.
Compare String Inverters
| Type | Typical AC rating | Grid voltage | Best fit |
|---|---|---|---|
| Single-phase string | 3 kW – 11.4 kW | 240 V split-phase | Residential and small commercial rooftops |
| Three-phase string | 15 kW – 125 kW | 208 V or 480 V 3-phase | Commercial rooftops and small ground mounts |
| String with optimizers | 5 kW – 100 kW | 240 V / 480 V | Shaded or multi-orientation arrays |
| Hybrid string | 5 kW – 15 kW | 240 V split-phase | Sites adding battery storage |









