The Sunny Tripower X20 STP 20-50 is a three-phase 20 kW AC power inverter designed for medium-sized residential installations, large private systems and commercial PV setups. The device is part of SMA’s modern “Tripower X” series, which is equipped with comprehensive management and monitoring features.
Key technical specifications
Power & connections
- Rated AC power: 20,000 W / 20 kVA
- Recommended PV generator output: up to ± 30 kWp
- AC connection: 3-phase (230/400 V)
DC side
- Max. DC voltage: 1000 V
- 3 independent MPP trackers
- Max. input current per MPP: 24 A
- Max. short-circuit current per MPP: 35 A
Efficiency & performance
- Maximum efficiency: approximately 98.3%
- European yield: approx. 97.9%
- Suitable for modern, high-power PV modules
Housing & installation
- Protection rating: IP65 (outdoor mounting suitable)
- Noise level: < 65 dB(A)
- Weight: about 35 kg
- Dimensions: approx. 728 × 762 × 266 mm
🧠 Features and technologies
✔ Integrated System Manager
Can centrally control up to several inverters and an energy meter. Ideal for larger systems.
✔ Sunny Portal (ennexOS) monitoring
Cloud platform for real-time visibility into yield, status, alerts, etc.
✔ SMA ShadeFix
Software that optimizes yield under partial shade.
✔ SMA ArcFix
Flame arc detection for increased safety.
✔ Dynamic power control
Can control active and reactive power (reactive power) according to grid operator requirements.
✔ Flexible string designs
Thanks to 3 MPP trackers and high input currents, you can combine diverse lay plans (different orientations/slopes).
