{"product_id":"goodwe-smt-us-series-480v-commercial-inverter-gw50k-smt-us-tigo","title":"GoodWe SMT-US Series 480V Commercial Inverter - GW50K-SMT-US TIGO","description":"\u003ch2\u003eGoodWe GW50K-SMT-US — 50 kW, 480 V Three-Phase (SMT-US Series)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong data-start=\"277\" data-end=\"346\"\u003eGoodWe SMT-US Series 480V Commercial Inverter - GW50K-SMT-US TIGO\u003c\/strong\u003e is a high-performance three-phase inverter engineered specifically for large commercial and industrial solar installations. Designed to deliver exceptional efficiency, grid compatibility, and system intelligence, this inverter supports demanding energy environments while ensuring long-term reliability. Its advanced design makes it a strong choice for businesses seeking optimized solar power generation at scale.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.portlandiaelectric.supply\/products\/goodwe-smt-us-series-480v-commercial-inverter-gw50k-smt-us-tigo\" target=\"_self\" title=\"\"\u003eFlagship 480 V C\u0026amp;I string inverter\u003c\/a\u003e with up to 5 MPPTs (2 inputs each), wide 180–980 Vdc MPPT range, NEMA Type 4X enclosure, integrated AFCI and Type II SPDs, and \u003cstrong\u003eRapid Shutdown integrated\u003c\/strong\u003e (PVRSS). “TIGO” channel SKUs indicate the factory variant with a Tigo RSS transmitter. :contentReference[oaicite:7]{index=7}\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications — from GoodWe SMT-US Datasheet\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eInput (DC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. input voltage\u003c\/td\u003e\n\u003ctd\u003e1000 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPPT operating voltage range\u003c\/td\u003e\n\u003ctd\u003e180 ~ 980 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStart-up voltage\u003c\/td\u003e\n\u003ctd\u003e200 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal input voltage\u003c\/td\u003e\n\u003ctd\u003e720 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. input current per MPPT\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. short-circuit current per MPPT\u003c\/td\u003e\n\u003ctd\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of MPP trackers\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrings per MPPT\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eOutput (AC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal output power\u003c\/td\u003e\n\u003ctd\u003e50 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal apparent power\u003c\/td\u003e\n\u003ctd\u003e50 kVA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. AC active power\u003c\/td\u003e\n\u003ctd\u003e55 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. AC apparent power\u003c\/td\u003e\n\u003ctd\u003e55 kVA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal AC grid voltage\u003c\/td\u003e\n\u003ctd\u003e480 V, 3L\/N\/PE or 3L\/PE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal grid frequency\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. output current\u003c\/td\u003e\n\u003ctd\u003e67 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower factor\u003c\/td\u003e\n\u003ctd\u003e~1 (adjustable 0.8 leading … 0.8 lagging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. THD\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eEfficiency\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. efficiency\u003c\/td\u003e\n\u003ctd\u003e98.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCEC efficiency\u003c\/td\u003e\n\u003ctd\u003e98.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eProtection \u0026amp; Safety\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePV string current monitoring\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePV insulation resistance detection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResidual current monitoring\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePV reverse-polarity protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-islanding protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC overcurrent \/ short-circuit \/ overvoltage\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC switch \/ AC switch\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC surge protection\u003c\/td\u003e\n\u003ctd\u003eType II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC surge protection\u003c\/td\u003e\n\u003ctd\u003eType II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAFCI\u003c\/td\u003e\n\u003ctd\u003eIntegrated (AI-driven)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRapid Shutdown\u003c\/td\u003e\n\u003ctd\u003eIntegrated (PVRSS per NEC 690.12 \/ CEC 64-218)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eGeneral\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−30 ~ +60 °C (derate \u0026gt; +45 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature (°F)\u003c\/td\u003e\n\u003ctd\u003e−22 ~ +140 °F (derate \u0026gt; +113 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative humidity\u003c\/td\u003e\n\u003ctd\u003e0 ~ 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. operating altitude\u003c\/td\u003e\n\u003ctd\u003e4000 m (derate \u0026gt; 3000 m) \/ 13123 ft (derate \u0026gt; 9842.5 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eSmart fan cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay \/ Monitoring\u003c\/td\u003e\n\u003ctd\u003eLED, WLAN + App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRS485, Wi-Fi, USB, 4G or Wi-Fi + LAN (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols\u003c\/td\u003e\n\u003ctd\u003eModbus-RTU (SunSpec compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 65 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eNon-isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNight self-consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 12 W* \u003csmall\u003e(*\u0026lt;1 W without optional RSD \u0026amp; 24-hr load monitoring.)\u003c\/small\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure rating\u003c\/td\u003e\n\u003ctd\u003eNEMA Type 4X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC connector\u003c\/td\u003e\n\u003ctd\u003e#12 ~ #8 AWG (Cu)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC connector\u003c\/td\u003e\n\u003ctd\u003eOT (#5–3\/0 AWG, Cu or Al)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e70 kg (154.3 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd\u003e520 × 990 × 220 mm (20.5 × 39.0 × 8.7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eCompliance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL1741 (Third Edition), IEEE 1547-2018 \/ 1547.1-2020 \/ 1547a-2020; CSA C22.2 No.0.8-19 \u0026amp; UL 1998 Ed.3; PVRSS per NEC-2020 690.12 \u0026amp; CEC-2018 Sec 64-218; IEEE 2030.5-2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003eAll electrical\/mechanical\/safety data from the official SMT-US datasheet; “Tigo Transmitter” variant (for channels listing ‘TIGO’) confirmed via distributor catalog (SMT0050-64-01P). :contentReference[oaicite:8]{index=8}\u003c\/small\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"763\" data-end=\"815\"\u003eBuilt for High-Capacity Commercial Solar Systems\u003c\/h3\u003e\n\u003cp data-start=\"817\" data-end=\"1269\"\u003eThe GoodWe SMT-US Series 480V Commercial Inverter - GW50K-SMT-US TIGO is purpose-built for 480V commercial applications, making it suitable for warehouses, factories, office complexes, and large retail facilities. With a robust 50kW output, it enables higher energy production while reducing balance-of-system costs. The inverter supports large DC input capacity, allowing installers to maximize array design flexibility and overall system performance.\u003c\/p\u003e\n\u003cp data-start=\"1271\" data-end=\"1495\"\u003eIts transformerless topology improves efficiency while reducing system weight and installation complexity. This makes deployment faster and more cost-effective, especially for large rooftop and ground-mounted solar projects.\u003c\/p\u003e\n\u003ch3 data-start=\"1497\" data-end=\"1543\"\u003eAdvanced Efficiency and Power Optimization\u003c\/h3\u003e\n\u003cp data-start=\"1545\" data-end=\"1873\"\u003eEfficiency is a defining feature of this inverter. The system delivers high conversion efficiency, minimizing energy loss during DC-to-AC conversion. Integrated compatibility with TIGO optimization technology enhances module-level performance, allowing improved energy harvest even in partial shading or complex rooftop layouts.\u003c\/p\u003e\n\u003cp data-start=\"1875\" data-end=\"2150\"\u003eThe intelligent Maximum Power Point Tracking (MPPT) system ensures consistent output throughout the day by adapting to varying solar conditions. Multiple MPPT channels allow flexible panel configurations and better yield optimization across diverse installation environments.\u003c\/p\u003e\n\u003ch3 data-start=\"2152\" data-end=\"2197\"\u003eGrid Compliance and Operational Stability\u003c\/h3\u003e\n\u003cp data-start=\"2199\" data-end=\"2607\"\u003eThe GoodWe SMT-US Series 480V Commercial Inverter - GW50K-SMT-US TIGO is engineered to meet strict North American grid requirements. It supports advanced grid support functions, including reactive power control, voltage ride-through, and frequency response. These capabilities ensure stable operation even during grid disturbances and help commercial systems remain compliant with evolving utility standards.\u003c\/p\u003e\n\u003cp data-start=\"2609\" data-end=\"2844\"\u003eThe inverter also features low \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Total_harmonic_distortion\" target=\"_blank\" title=\"\" rel=\"noopener\"\u003etotal harmonic distortion\u003c\/a\u003e (THD), contributing to cleaner power output and reduced stress on connected electrical equipment. This enhances system longevity and operational reliability for commercial users.\u003c\/p\u003e\n\u003ch3 data-start=\"2846\" data-end=\"2888\"\u003eSmart Monitoring and System Management\u003c\/h3\u003e\n\u003cp data-start=\"2890\" data-end=\"3221\"\u003eIntelligent monitoring capabilities enable real-time system visibility and remote performance management. The inverter supports advanced communication protocols, allowing seamless integration with energy management systems. Operators can track performance metrics, identify faults, and optimize output without on-site intervention.\u003c\/p\u003e\n\u003cp data-start=\"3223\" data-end=\"3462\"\u003eBuilt-in safety features such as DC reverse polarity protection, anti-islanding, and arc-fault detection further enhance operational security. These protections reduce risk, minimize downtime, and ensure compliance with safety regulations.\u003c\/p\u003e\n\u003ch3 data-start=\"3464\" data-end=\"3508\"\u003eDurable Design for Long-Term Performance\u003c\/h3\u003e\n\u003cp data-start=\"3510\" data-end=\"3859\"\u003eCommercial solar installations demand durability, and this inverter delivers. The enclosure is designed to withstand harsh environmental conditions, including temperature fluctuations and dust exposure. Active cooling technology ensures optimal thermal performance, preventing overheating and maintaining consistent efficiency even under heavy load.\u003c\/p\u003e\n\u003cp data-start=\"3861\" data-end=\"4081\"\u003eHigh-quality internal components extend service life, reducing maintenance requirements and improving overall return on investment. This reliability makes the inverter suitable for long-term commercial energy strategies.\u003c\/p\u003e\n\u003ch3 data-start=\"4083\" data-end=\"4129\"\u003eScalable Solution for Growing Energy Needs\u003c\/h3\u003e\n\u003cp data-start=\"4131\" data-end=\"4481\"\u003eAs energy demands increase, scalability becomes essential. The GoodWe SMT-US Series 480V Commercial Inverter - GW50K-SMT-US TIGO supports modular system expansion, allowing businesses to scale solar capacity without replacing existing infrastructure. This future-ready design makes it an ideal choice for enterprises planning phased solar deployment.\u003c\/p\u003e\n\u003ch3 data-start=\"4483\" data-end=\"4523\"\u003eWhy Choose This Commercial Inverter?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"4527\" data-end=\"4587\"\u003eOptimized for 480V commercial and industrial solar systems\u003c\/li\u003e\n\u003cli data-start=\"4590\" data-end=\"4637\"\u003eHigh efficiency with advanced MPPT technology\u003c\/li\u003e\n\u003cli data-start=\"4640\" data-end=\"4698\"\u003eTIGO compatibility for enhanced module-level performance\u003c\/li\u003e\n\u003cli data-start=\"4701\" data-end=\"4757\"\u003eStrong grid compliance and intelligent safety features\u003c\/li\u003e\n\u003cli data-start=\"4760\" data-end=\"4808\"\u003eDurable construction for long-term reliability\u003c\/li\u003e\n\u003cli data-start=\"4811\" data-end=\"4863\"\u003eScalable architecture for expanding energy demands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4865\" data-end=\"5024\"\u003eWith its combination of performance, intelligence, and durability, this inverter stands out as a dependable solution for modern commercial solar installations.\u003c\/p\u003e","brand":"Goodwe","offers":[{"title":"Default Title","offer_id":42500725375110,"sku":"PES-SPS-SIV-0706","price":6585.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/goodwe-smt50-60-us-front.jpg?v=1760465214","url":"https:\/\/www.portlandiaelectric.supply\/products\/goodwe-smt-us-series-480v-commercial-inverter-gw50k-smt-us-tigo","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}