Fronius Tauro ECO 50-3-P is a high-performance 50 kW three-phase grid-tie PV inverter tailored for large commercial and industrial solar installations. Designed specifically for centralized system architecture, it features one MPPT tracker, robust outdoor-capable IP65 housing, active cooling with a double-wall front cover, and integrated Type 1+2 surge protection. With superior efficiency up to 98.5 % and flexible communication interfaces for monitoring and energy-management integration, it delivers reliable performance under harsh conditions.
Key Features
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50 kW AC nominal output, 3-phase system — ideal for commercial rooftop or ground-mount installations
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Single-MPPT tracker design simplifies string layout and reduces system complexity.
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Wide DC input range: 580 V to 1000 V — maximises compatibility with modern high-voltage solar modules.
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IP65 rated outdoor enclosure, active cooling and double-wall construction enable highly reliable operation in hot or exposed environments.
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Integrated Type 1 + 2 DC/AC surge protection and AC “daisy-chain” capability reduce balance-of-system (BOS) costs.
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Rich communication and monitoring interfaces: Ethernet, RS485, Wi-Fi, digital I/O — enables full system integration and remote monitoring via Fronius Solar.web.
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High efficiency: up to 98.5 % max, with European efficiency figures around 98.2 %.
Technical Data Table
| Parameter | Specification |
|---|---|
| AC nominal output power (Pac,r) | 50 kW AC |
| Max. efficiency (PV-to-grid) | ~98.5 % |
| European efficiency (ηEU) | ~98.2 % |
| DC input voltage range (Udc min-max) | 580 V – 1000 V |
| MPP voltage range (Umpp min-max) | 580 V – 930 V |
| Max. PV generator power (Pdc max) | 75 kW p |
| Output current (Iac nom) | ~72.5 A at 230 V AC |
| Grid connection type | 3~ NPE 400/230 V or 3~ NPE 380/220 V |
| Frequency range | 45 – 65 Hz |
| Protection rating | IP65 (outdoor capable) |
| Ambient temperature range | –40 °C to +65 °C |
| Weight | 74 kg |
| Cooling technology | Active cooling with double-wall system |
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