Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.

The Sungrow 352 KVA 1500VDC 800VAC 12 - SG350HX-US is engineered for modern utility-scale solar applications, offering a powerful blend of efficiency, durability, and smart grid integration. This advanced inverter supports large-scale PV installations with exceptional reliability, ensuring optimized energy conversion even in the toughest environmental conditions. Designed to meet the latest industry standards, the Sungrow 352 KVA 1500VDC 800VAC 12-16 MPPT 3 Phase PV String Inverter - SG350HX-US is a trusted choice for project developers, EPCs, and renewable energy professionals seeking long-term performance with minimal operational complexity.
Sungrow SG350HX-US is a high-power, 1500 Vdc utility-scale string inverter for 800 Vac systems with up to 16 MPPTs and best-in-class efficiency.
| Input (DC) | |
|---|---|
| Max. PV input voltage | 1500 V |
| Min. / Startup input voltage | 500 V / 550 V |
| Nominal PV input voltage | 1180 V |
| MPP voltage range | 500–1500 V |
| Full power MPP range @ 40 °C | 860–1330 V * |
| No. of independent MPPTs | 12 (optional 16) |
| Strings per MPPT | 2 |
| Max. PV input current | 12×40 A (optional: 16×30 A) |
| Max. DC short-circuit current per MPPT | 60 A |
| Output (AC) | |
| AC output power | 352 kVA @ 30 °C / 320 kVA @ 40 °C |
| Max. AC output current | 254 A |
| Nominal AC voltage | 3/PE, 800 V |
| AC voltage range | 704–880 V |
| Nominal grid frequency / range | 60 Hz / 55–65 Hz |
| THD | < 3% (at nominal power) |
| DC current injection | < 0.5% In |
| Power factor (nominal / adjustable) | > 0.99 / 0.8 leading – 0.8 lagging |
| Feed-in phases / Connection phases | 3 / 3 |
| Efficiency | |
| Max. efficiency / CEC efficiency | 99.02% / 98.5% |
| Protection & Safety | |
| DC reverse connection / AC short circuit / Leakage current / Grid monitoring / Ground fault | Yes / Yes / Yes / Yes / Yes |
| DC switch / AC switch | Yes / No |
| PV string current monitoring / Q at night | Yes / Yes |
| Anti-PID & PID recovery | Optional (MVS3200-US / MVS4480-US) |
| Surge protection | DC Type II / AC Type II |
| General Data | |
| Dimensions (W×H×D) | 1165 × 870 × 361 mm (45.9 × 34.3 × 14.2 in) |
| Weight | ≤122 kg (≤269 lb) |
| Isolation / Enclosure | Transformerless / IP66 (NEMA 4X) |
| Night power consumption | < 6 W |
| Operating ambient temperature | −30 to 60 °C (−22 to 140 °F) |
| Relative humidity | 0%–100% |
| Cooling | Smart forced air cooling |
| Max. operating altitude | 4000 m (>3000 m derating) / 13,123 ft (>9843 ft derating) |
| Display / Communication | LED, Bluetooth+APP / RS485 or PLC |
| DC / AC connections | MC4 (Max. #10 AWG, optional #8) / OT/DT terminal (Max. 750 kcmil) |
| Compliance | UL 1741, UL 62109-1, CSA C22.2 No.107.1-16, IEEE 1547-2018, IEEE 1547.1-2020, UL 1741 SA/SB, California Rule 21, HECO SRD V2.0 |
| Grid support functions | Q at night, LVRT/HVRT, active & reactive power control, power ramp rate, Q-U control, P-f control |
* Full-power MPP range depends on temperature; see datasheet curve.
This high-capacity PV string inverter comes packed with innovative features that support enhanced production and optimized system stability. With its flexible design and high DC/AC ratio support, the inverter enables system planners to maximize solar energy harvest across varied installation scenarios.
One of the standout strengths of the Sungrow 352 KVA 1500VDC 800VAC 12 - SG350HX-US is its ability to deliver superior conversion efficiency. This ensures that more of the captured solar energy is successfully transformed into usable AC power. The inverter’s high-efficiency architecture helps reduce energy losses, improving ROI and offering consistent long-term performance.
Thanks to its 12–16 MPPT design, the inverter offers greater flexibility in system layout and better handling of partial shading, uneven irradiance, or complex site structures. The multi-MPPT configuration of the Sungrow 352 KVA 1500VDC 800VAC 12-16 MPPT 3 Phase PV String Inverter - SG350HX-US ensures each string performs at its best, maximizing output even in suboptimal conditions.
Utility-scale solar installations often face challenging climates. This inverter is built using high-quality components designed to withstand environmental stressors such as extreme temperatures, dust, and humidity. Its advanced thermal management system supports stable operation, ensuring longevity with minimal maintenance.
Modern solar systems demand smart monitoring and seamless integration with utility grids. The Sungrow 352 KVA 1500VDC 800VAC 12 - SG350HX-US features intelligent grid support functions, including reactive power control, fault ride-through capabilities, and remote configuration options. It is fully compatible with various monitoring platforms, allowing operators to track performance, detect faults early, and improve overall plant uptime.
The inverter provides real-time performance insights across key electrical parameters. This empowers asset managers to make data-driven decisions that enhance productivity and reduce downtime. Its advanced communication protocols ensure secure, stable, and fast data transmission.
Designed with installer-friendly features, the Sungrow 352 KVA 1500VDC 800VAC 12 - SG350HX-US simplifies deployment, wiring, and commissioning. Its compact structure and lightweight design compared to traditional central inverters make transportation and setup more efficient. Additionally, string-level monitoring helps reduce O&M expenses by identifying string issues early, preventing energy loss, and minimizing on-site troubleshooting efforts.
Whether for a 10 MW solar project or a multi-hundred MW solar farm, this inverter is scalable, dependable, and built to integrate into both new and existing infrastructure. Its high power rating and flexible topology make it ideal for utility-scale installations that require both performance and long-term stability.
Choosing the right inverter is crucial for maximizing the financial and energy performance of a solar project. This model not only offers a high power rating but also advanced MPPT capabilities, superior efficiency, and compliance with modern safety and grid standards. The combination of cutting-edge technology and proven field performance makes the Sungrow 352 KVA 1500VDC 800VAC 12-16 MPPT 3 Phase PV String Inverter - SG350HX-US a top-tier solution for large-scale renewable installations.
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.