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

The GoodWe LV-SMT-US Series 208V Commercial Inverter is a high-performance, low-voltage solar inverter built for commercial and light industrial use. It delivers efficient and reliable power conversion to meet modern energy needs. This inverter is the perfect choice for businesses wanting a future-ready solar solution with excellent safety and grid compliance.
Designed especially for 208V commercial systems, it ensures stable operation under various conditions. The GoodWe LV-SMT-US Series 208V Commercial Inverter - GW22KLV-SMT-US GW supports medium-scale solar arrays with smooth and reliable energy flow. Its design promotes long-term operational stability for commercial solar setups.
For commercial arrays on 208/220/240 V services, the GoodWe GW22KLV-SMT-US inverter combines high efficiency, integrated rapid shutdown, and a durable NEMA Type 4X enclosure. It features three MPPTs and a broad 180–950 V tracking window for flexible string configurations with fewer rooftop devices.
This inverter includes AFCI, Type II SPD for both DC and AC, anti-islanding, and a fuse-free design. The setup process is quick and simple via SolarGo with Wi-Fi and LAN connectivity. These features enhance safety and make installation effortless.
| Input (DC) | |
|---|---|
| Max. input power | 39.6 kW |
| Max. input voltage | 1000 V |
| MPPT operating voltage range | 180 – 950 V |
| Start-up voltage | 200 V |
| Nominal input voltage | 450 V |
| Max. input current per MPPT | 32 A |
| Max. short-circuit current per MPPT | 45 A |
| Number of MPPTs / strings per MPPT | 3 / 2 |
| Output (AC) | |
| Nominal output power / apparent power | 22 kW / 22 kVA |
| Max. AC active power | 22 kW @208 V; 23 kW @220 V; 25 kW @240 V |
| Max. AC apparent power | 22 kVA @208 V; 23 kVA @220 V; 25 kVA @240 V |
| Nominal grid voltage | 208 / 220 / 240 V, 3L/N/PE or 3L/PE |
| Output voltage range | 183.0–228.8 V @208 V; 193.6–242.0 V @220 V; 211.2–264.0 V @240 V |
| Nominal / range grid frequency | 60 Hz / 58.5–61.2 Hz |
| Max. output current | 61.0 A |
| Power factor | ≈ 1 (0.8 leading … 0.8 lagging adjustable) |
| THD | < 3% |
| Efficiency | |
| Max. efficiency | 97.5% |
| CEC efficiency | 96.5% |
| Protection & Functions | |
| PV string current monitoring / insulation detection / residual current monitoring | Integrated |
| PV reverse-polarity / anti-islanding | Integrated |
| AC overcurrent / short-circuit / overvoltage | Integrated |
| DC switch | Integrated |
| DC surge protection | Type II (Type I+II optional) |
| AC surge protection | Type II |
| AFCI | Integrated |
| Rapid shutdown | Integrated |
| Power supply at night | Integrated |
| General Data | |
| Operating temperature | −30 … +60 °C (>45 °C derating) / −22 … +140 °F (>113 °F derating) |
| Relative humidity | 0 … 100% |
| Max. operating altitude | 4000 m (>3000 m derating) / 13,123 ft (>9842.5 ft derating) |
| Cooling | Smart fan cooling |
| User interface | LED, WLAN + App |
| Communication | RS-485; Wi-Fi + LAN; 4G (optional) |
| Protocols | Modbus-RTU (SunSpec compliant) |
| Weight | 60 kg (132.2 lb) |
| Dimensions (W × H × D) | 520 × 990 × 220 mm (20.5 × 39.0 × 8.7 in) |
| Topology | Non-isolated |
| Self-consumption at night | < 12 W*¹ |
| Ingress protection | Type 4X |
| DC connector | #12 ~ #8 AWG Cu |
| AC connector | OT (#5–3/0 AWG, Cu or Al) |
| Certification | |
| UL 1741 (Third Edition, 2021-09-28); IEEE 1547-2018 / 1547.1-2020 / 1547a-2020; IEEE 2030.5-2018; CSA C22.2 No. 0.8-19 & UL 1998 Ed.3; PVRSS per NEC-2020 690.12 & CEC-2018 Sec 64-218. | |
See the datasheet and user manual for the GoodWe GW22KLV-SMT-US inverter for installation and commissioning guidance.
The GoodWe LV-SMT-US Series 208V Commercial Inverter is designed for commercial rooftops, warehouses, schools, and small industrial sites. It has a compact and lightweight build, making installation easy even in tight spaces. Despite its size, it offers powerful output and dependable performance, well-suited to demanding commercial use.
This inverter features a strong enclosure that shields internal components from harsh environments. Its advanced cooling system maintains reliable performance during intense load conditions. This extends the lifespan and reduces maintenance needs over time.
One key advantage of the GoodWe LV-SMT-US Series 208V Commercial Inverter is its excellent power conversion efficiency. It minimizes DC-to-AC power loss, maximizing energy harvested from solar panels. This enhances the return on investment for solar projects.
With multiple MPPTs, it expertly manages varying sun exposure. This is vital for rooftops affected by shading or where panels face different directions. The inverter ensures optimal energy yield in diverse conditions.
The GoodWe LV-SMT-US Series 208V Commercial Inverter includes smart monitoring technology. Users can track system performance in real time for better control. Advanced communications allow seamless integration with monitoring platforms.
Remote monitoring reduces the need for site visits and enables rapid issue resolution. This keeps downtime low and power generation continuous for commercial operations.
Safety is a key priority for the GoodWe LV-SMT-US Series 208V Commercial Inverter. It meets strict safety and grid standards, including built-in protections like DC reverse polarity and anti-islanding. These prevent faults and ensure safe system operation.
This inverter supports grid stability with advanced grid-support features. It helps maintain voltage and frequency, allowing smooth coordination with utility grids. This is crucial for modern commercial solar installations.
Durability is a major strength of the GoodWe LV-SMT-US Series 208V Commercial Inverter. High-quality components guarantee long-term reliability. Its robust construction ensures stable operation across wide temperature ranges.
Low maintenance requirements and consistent performance reduce operational costs. This makes it an excellent long-term investment for commercial energy needs.
The GoodWe LV-SMT-US Series 208V Commercial Inverter suits a variety of commercial applications. These include retail stores, office buildings, schools, and light manufacturing units. Its balance of efficiency, power, and smart features fits both new and upgraded solar systems.
Choosing this inverter helps commercial users optimize energy production, improve system control, and gain lasting confidence in performance.
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.