Fronius Smart Meter 50kA-3 is a bidirectional, three-phase energy meter designed to unlock intelligent energy management for photovoltaic systems . It provides the essential data needed to visualize, control, and optimize all energy flows within a home or business .
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Optimize Self-Consumption & Save Money: By accurately measuring both energy consumption and solar generation, it enables efficient energy management that saves money by maximizing the use of your own solar power .
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Advanced Dynamic Feed-in Control: Thanks to highly accurate measurements and rapid communication via the Modbus RTU (RS485) interface, it allows for faster and more precise dynamic control of grid feed-in than standard meters, which is essential for complying with feed-in limits .
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Perfect System Integration: The meter is designed for seamless integration with Fronius inverters (such as the Symo, Primo, Galvo, and GEN24 series) and the Fronius Datamanager . It is also a key component in the Fronius Energy Package storage solution for perfectly coordinated energy management .
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Clear Energy Monitoring: Together with the Fronius Solar.web monitoring platform, it provides a clear overview of power consumption and production, allowing users to track their system’s performance in real-time .
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Versatile Application: It is supplied without current transformers (CTs) and requires 5A secondary CTs for operation, making it suitable for a wide range of both private and commercial photovoltaic applications .
Technical Data Table
| Specification | Details |
|---|---|
| Nominal Voltage | 400 – 415 V |
| Maximum Current | 3 x 50,000 A (with external CTs) |
| Accuracy Class | 1 |
| Communication Interface | Modbus RTU (RS485) |
| Connection Cross-Section | 0.05 – 4 mm² |
| Operating Temperature Range | -5 °C to +55 °C |
| Dimensions (W x H x D) | Varies by source; approx. 89 x 71.2 x 65.6 mm |
| Weight | ~0.35 kg |
| Starting Current | 40 mA |
| Display | 8-digit LCD |
| Installation | DIN rail (4 modules) |
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