⚡ Sungrow 320kW Utility String Inverter – SG350HX-20

Massive Power. Maximum Efficiency. Utility-Grade Performance.

Designed for large-scale utility PV plants, the SG350HX-20 delivers an unmatched combination of power, protection, and intelligence. With 6 MPPTs, support for 1500V systems, and over 99% efficiency, it sets a new benchmark for utility-scale string inverters.

✅ Key Features:

• Rated Output: 320kW @ 40°C | Up to 352kVA @ 30°C

• 6 MPPTs / Up to 30 PV Strings – Fine-grained array optimization

• Max PV Input Voltage: 1500V | MPP Range: 500V–1500V

• Max PV Current: 6 × 75A | Short Circuit Current: 6 × 125A

• Supports DC/AC Ratios up to 1.5 – More flexible design margins

• Max Efficiency: 99.02% | European Efficiency: 98.8%

• Built-in PID Recovery, Q at Night, and PLC Communication

• Smart IV Curve Diagnostics & Real-Time Insulation Monitoring

• Surge Protection: DC Type II / AC Type II

• Fast Reactive Power Response (30ms)

⚙️ Technical Specifications:

• AC Output Voltage: 3/PE, 800V

• AC Voltage Range: 640V–920V

• Nominal Output Current: 231A | Max Output Current: 254A

• Frequency: 50Hz / 60Hz (45–65Hz range)

• Power Factor: >0.99 | Adjustable: 0.8 leading to 0.8 lagging

• THD: <1%

• Night Power Consumption: <6W

• Cooling: Smart forced air

• Protection: IP66 | C5 Anti-Corrosion

• Operating Temperature: -30°C to +60°C

• Max Altitude: 5000m (derating above 4000m)

• Weight: ≤106 kg

• Dimensions: 1148 × 779 × 371 mm

• Display: LED + Bluetooth App

• Communication: RS485 / PLC

• AC Connection: OT/DT terminal support (up to 400mm²)

🛒 Built for mega-scale solar plants and extreme environments.

👉 Deploy the SG350HX-20 and unlock utility-level solar performance.