SMA Sunny Tripower-X 03-20-1000-2-50 – 20 kW 3-Phase Grid-Tied Inverter

Powerful, intelligent and future-ready — This 20 kW three-phase inverter brings commercial-grade performance, flexible system design and smart monitoring/management features into your PV installation. Whether you’re deploying a new rooftop array or upgrading an existing system, the Sunny Tripower X offers a strong combination of yield-enhancing features, safety and connectivity.

Key Features & Benefits

• 20 kW nominal AC output (for the 03-20-1000-2-50 model) in a three-phase configuration, suited to commercial rooftops and mid-size solar arrays. 

• Three independent MPP trackers, enabling flexible string layout and effective utilisation of high-performance modules (including large-format or high-voltage modules). 

• Wide DC input voltage range (up to 1000 V) and high input-current handling, making it compatible with high-power, high-efficiency PV modules and oversizing for greater yield.

• Built-in advanced features such as string-level optimisation (via ShadeFix), I-V curve diagnostics, and full communications (Ethernet/WLAN, Modbus) for remote monitoring and control. 

• Enhanced safety features: DC-disconnect, arc-fault circuit interruption (AFCI), and rapid-shutdown support compliant to SunSpec. 

• Designed for serviceability and integration: the “System Manager” capability allows monitoring/control of up to five inverters (≈150 kVA) from one unit. 

• Compact, lightweight form (approx. 728 × 762 × 266 mm, ~35 kg) simplifies installation, maintenance and handling. 

Why Choose This Inverter?

If you’re aiming for a solar system that demands: fewer connection points, high reliability, future-proof communications/energy-management capability and strong support from a leading brand then the Sunny Tripower-X 20 kW is an excellent choice. It gives you flexibility (for system design and future expansion), strong yield potential, and peace of mind with safety and monitoring built in.

Application & Installation Notes

• Ideal for medium-sized commercial rooftops, light industrial sites, car-ports or retrofit/repowering of existing PV arrays where you want to upgrade to a smarter inverter.

• Make sure your PV string design matches the DC-input specs (voltage/current) of the inverter to optimise performance and safety.

• Given the three MPP trackers, it’s possible to segment modules into different orientations or shading zones while still maintaining performance.

• Ensure your installation team is familiar with the advanced communications and monitoring features (e.g., configuring ethernet/WLAN, setting up the SMA Sunny Portal/ennexOS).

• For best results: choose high-efficiency modules, minimise shading, maintain good ventilation and keep cables/terminals clean and secure.

Warranty & Service

Standard with SMA is a 10-year product warranty for the inverter, with optional extension to 20 years. Component-level diagnostics and proactive monitoring (via SMA Smart Connected) help reduce downtime and service cost.

Technical Snapshot

• Model: 03-20-1000-2-50 (also referenced as STP 20-US-50 in some listings)

• Nominal output (AC): ~20 kW three-phase, suited for 480 V (US) or equivalent system (depending on region). 

• DC input voltage max: 1000 V

• Efficiency: up to ~98% at optimum conditions. 

• Cooling: forced-convection with fans; compact enclosure. 

Document: Specification Sheet