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The GoodWe LV-SMT-US Series 208V Commercial Inverter is a powerful and reliable solution designed to meet the demanding needs of modern commercial solar installations. Engineered for efficiency, durability, and intelligent energy management, this inverter is ideal for businesses looking to optimize solar energy production while maintaining system stability and long-term performance. Built with advanced technology and compliant with U.S. commercial grid standards, it delivers consistent results across a wide range of operating conditions.
Commercial solar systems require equipment that can handle high loads, fluctuating energy demands, and grid compliance requirements. This inverter addresses those challenges with a robust design, intelligent monitoring, and flexible installation options, making it a preferred choice for warehouses, offices, retail buildings, and industrial facilities.
The GoodWe GW22KLV-SMT-US inverter is a low-voltage, three-phase string inverter for small C&I sites on 208/220/240 V grids. It delivers 97.5% max efficiency, NEMA Type 4X outdoor durability, integrated rapid shutdown, and up to three MPPTs for flexible design without rooftop optimizers.
Engineered for reliability, this model adds AFCI, Type II surge protection on DC/AC, and a fuse-free design—while the GoodWe GW22KLV-SMT-US inverter supports wide 180–950 V MPPT tracking and up to 180% DC/AC ratio for higher harvest.
This APS configuration includes the APsmart rapid-shutdown transmitter for module-level compliance (per distributor SKU), streamlining rooftop wiring and commissioning.
| 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. | |
*¹ Self-consumption is <1 W without optional RSD and 24-hour load monitoring (manufacturer note). For full details, see datasheet and user manual.
The GoodWe LV-SMT-US Series 208V Commercial Inverter stands out for its balance of power density, safety features, and smart energy control. It is specifically engineered for low-voltage commercial applications where efficiency and uptime are critical.
With a transformerless design and high conversion efficiency, this inverter minimizes energy loss and maximizes return on investment. Its compact footprint simplifies installation, while its rugged enclosure ensures reliable operation in demanding commercial environments.
Commercial solar systems often face complex challenges such as partial shading, varying loads, and strict grid requirements. The GoodWe LV-SMT-US Series 208V Commercial Inverter is designed to overcome these challenges through multiple MPPTs (Maximum Power Point Trackers) that optimize energy harvest from different solar array orientations.
This inverter supports high DC input capacity, allowing greater design flexibility and improved energy yield. Its low-voltage architecture makes it suitable for facilities that operate on 208V systems, ensuring seamless integration without costly electrical upgrades.
Smart monitoring is a key advantage of the GoodWe LV-SMT-US Series 208V Commercial Inverter. Built-in communication options enable real-time system monitoring, performance analysis, and remote diagnostics. Facility managers can track energy production, identify issues early, and reduce downtime through proactive maintenance.
The inverter also supports advanced safety and protection features, including anti-islanding protection, ground fault detection, and arc fault circuit interruption. These features enhance system reliability and help protect both equipment and personnel.
High efficiency is essential for commercial solar profitability, and this inverter delivers excellent conversion performance across a wide operating range. Its thermal management system ensures stable operation even during peak loads, while high-quality internal components contribute to long service life.
The GoodWe LV-SMT-US Series 208V Commercial Inverter - GW22KLV-SMT-US APS is built to withstand continuous commercial use, offering dependable performance year after year. Its durable enclosure protects against dust and environmental stress, making it suitable for indoor and protected outdoor installations.
Ease of installation and scalability are major benefits for commercial solar projects. This inverter supports flexible system design, allowing installers to adapt configurations based on site conditions and future expansion plans.
The lightweight and compact structure reduces installation time and labor costs. As energy demands grow, the system can be scaled efficiently without compromising performance, making it a smart long-term investment for commercial energy systems.
This inverter is well-suited for a wide range of commercial and light industrial applications, including office buildings, shopping centers, educational facilities, and manufacturing units. Its ability to deliver stable power output and intelligent energy control makes it an excellent choice for businesses seeking energy independence and reduced operating costs.
By combining advanced technology, proven reliability, and smart energy management, the GoodWe LV-SMT-US Series 208V Commercial Inverter provides a dependable foundation for efficient commercial solar power systems.
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