GRID TIE INVERTER | SMA SUNNY BOY | 7700W | SB7.7-1SP-US-42

🔌 SMA Sunny Boy SB7.7‑1SP‑US‑41 – 7.7 kW Grid‑Tie Inverter

High-performance single-phase string inverter featuring SMA’s Power+ and ShadeFix technologies—offering solid efficiency, reliable performance, and smart integration for residential and light commercial solar systems.

⚙️ Key Features

• 7,680 VA AC output @ 240 VAC (6,650 VA @ 208 VAC); supports split-phase configurations with up to 3 independent MPPTs.

• High efficiency: Peak conversion up to 97.6% and CEC-weighted efficiency of ~97.0% (@ 240 VAC).

• ShadeFix technology optimizes shade handling for improved energy yield in variable lighting.

• Secure Power Supply (SPS): Provides up to 2 kW of daytime backup during grid outages.

• Robust safety & compliance: Transformerless design, UL 1741 SA, IEEE 1547, FCC, and NEC 690-certified, with integrated rapid shutdown and AFCI.

• Convenient monitoring & connectivity: WLAN standard; optional RS485 or cellular LTE; integrates with SMA Sunny Portal via SunSpec/Speedwire.

• Durable build: NEMA 3R rated; natural convection for SB3.0–6.0 models; fans included for 7.0 & 7.7 models; –25 °C to +60 °C operation.

• Quiet yet efficient: Night-time idle power < 5 W; acoustic emission ~45 dB(A).

📏 Quick Specs

• Max PV Input: 12,320 Wp

• Max DC Voltage: 600 V

• DC Input Range (MPPT): 270–480 V

• AC Output (rated): 7,680 VA @ 240 V / 6,650 VA @ 208 V

• AC Current: ~32 A @ 240 VAC

• Weight & Size: 57 lb (~25.9 kg); 21.1 × 28.5 × 7.8″

• Operating Temp: –25 °C to +60 °C

📄 Official Datasheet
Download the SMA Power+ solution datasheet covering the 3.0–7.7 kW SB US family:
SMA Sunny Boy US Series Datasheet (PDF)