SMA STP4.0-3AV-40 4.0 kW On-Grid Three-Phase Inverter, 2 MPPT, Wi-Fi

The SMA STP4.0-3AV-40 is a high-performance on-grid solar inverter designed for residential and small commercial photovoltaic systems. With a rated power of 4.0 kW and three-phase output, it efficiently converts DC power from solar panels into AC power for grid feeding. Featuring 2 MPPT trackers, it optimizes energy harvest even in partially shaded conditions. The inverter comes with built-in Wi-Fi connectivity for easy monitoring via the SMA app or web portal. It has no display, keeping the design compact and cost-effective. Ideal for new installations or upgrades, this SMA inverter ensures reliable operation and long-term performance.

• 4.0 kW rated power for residential solar systems
• Three-phase output for grid connection
• 2 MPPT trackers for maximum energy yield
• Built-in Wi-Fi for remote monitoring
• Compact design without display

Use this inverter with compatible solar panels and monitoring systems. Professional installation recommended.