SMA Sunny Boy SB3000US Inverter for Solar Panels w/ Grid Tie 3000W, Single Phase

SMA Sunny Boy SB3000US Inverter for Solar Panels w/ Grid Tie 3000W, Single Phase

The SMA Sunny Boy SB3000US is a 3000W (3kW) single-phase, grid-tied solar inverter designed for residential and small commercial photovoltaic installations. It converts DC power from solar panels into clean AC power synchronized with the utility grid. The unit features a fanless natural convection cooling system, an integrated LCD display for local monitoring, and a NEMA 3R weatherproof enclosure rated for outdoor wall-mount installation.

Specifications & What's Included

• Model: SMA Sunny Boy SB3000US
• Power Output: 3000W (3kW)
• Phase: Single Phase
• AC Output Voltage: 120/240 Vac
• Max DC Input Voltage: 600 Vdc
• CEC-Weighted Efficiency: Up to 95%
• MPPT (Maximum Power Point Tracking): Yes
• Cooling: Natural convection — fanless design
• Enclosure: NEMA 3R outdoor-rated, wall-mountable
• Display: Front-panel LCD with status LEDs
• Communication: Integrated monitoring interface
• Certifications: UL Listed, FCC
• Date of Manufacture: March 2012
• Internal components: Main green PCB with blue electrolytic capacitor bank (12 caps), toroidal inductors (EPCOS), VNQS.15/06S5B AC output relays, and film capacitors — all present and intact
• Inverter unit only — no cables or mounting hardware included

Applications

The SMA Sunny Boy SB3000US is designed for grid-tied residential and small commercial solar PV systems in North America. As a grid-tie inverter, it feeds solar-generated power directly into the utility grid, allowing system owners to offset their electricity consumption and, where net metering is available, sell excess generation back to the utility. SMA's Sunny Boy product line has been one of the most widely deployed residential grid-tie inverter families in the U.S. market since the 2000s, known for their straightforward installation and compliance with utility interconnection standards such as IEEE 1547 and UL 1741. The SB3000US works with standard residential split-phase 120/240V grid connections and is compatible with a wide range of crystalline silicon and thin-film PV panels. It remains in active use in many residential and small commercial rooftop arrays, and replacement or upgrade units are routinely sought by solar installers, system owners, and O&M contractors maintaining older residential installations.