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Fronius Tauro Eco 50-3-D — a high-power 50 kW / 50 kVA (1 MPPT) three-phase grid-tied inverter designed for commercial and industrial solar power plants. This model—the “D” (Decentralized) version—is optimized for decentralized installation or configurations where each inverter operates independently, without the need for a central control unit.
Key features of the Fronius Tauro Eco 50-3-D
- Rated power — 50 kW / 50 kVA.
- One MPPT tracker (1 MPP-tracker) for a simple configuration.
- Wide input voltage range: 580–1000 V DC.
- Maximum PV generator power up to approximately 75 kW.
- Enclosure protection class IP65 — suitable for outdoor installation.
- Optimized to reduce costs in decentralized systems (BOS efficiency).
- Active cooling, easy access from the front panel, and service-friendly design.
Technical Specifications
- DC input range: 580 – 1000 V.
- Maximum input current: 87.5 A.
- AC rated power: 50 kW / 50 kVA.
- Operating temperature range: from -40 °C to +65 °C.
- Dimensions (H×W×D): 755 × 1109 × 346 mm.
- Weight: 74 kg.
- Efficiency: up to 98.5%.
Why the “D” (Decentralised) version?
The letter “D” in the name stands for Decentralised — the model is designed for decentralised systems where each inverter operates autonomously. This simplifies design for systems distributed across roofs or large areas, reduces cabling costs and energy losses.
This architecture is ideal for flexible solutions where new inverters need to be added without changing the central controller. Each Tauro Eco D has its own monitoring, protection, and communication system.
Interfaces and Communication
- Ethernet LAN RJ45 — for communication with Fronius Solar.web.
- Modbus TCP / RTU (SunSpec) — for integration into the power grid.
- JSON API — open protocol for external systems.
- 6 digital inputs/outputs — for controlling loads or relays.
Application scenarios
- Commercial rooftop or ground-mounted PV systems with a capacity of approximately 50 kW.
- Systems with separate modules or panels of varying orientations.
- Scalable energy solutions for businesses and agricultural facilities.
- Outdoor installation at industrial sites.
Service support in Ukraine
Total-Energo LLC — Fronius’ official partner in Ukraine. We provide a full range of support services: equipment selection, installation, configuration, warranty and post-warranty service.