Fronius Three-Phase Smart Meter 50KA-3


The Fronius smart meter is a two-way meter that optimizes self-consumption and records the household load curve. It provides a clear overview of electricity consumption in the home.

Nominal voltage 400 – 415 V
Max. current 3 x 50 000 A
Connection cross section, current path 0,05 – 4 mm²
Connection cross section, communication & neutral conductor 0,05 – 4 mm²
Self-consumption 2,5 W
Starting current 40 mA
Accuracy class 1
Active energy accuracy Class B (EN50470)
Reactive energy accuracy Class 2 (EN/IEC 62053-23)
Overload (short-term) 30 x Imax / 0,5 s
Installation Indoor installation (DIN rail)
Housing 4 modules DIN 43880
Degree of protection IP 51 (front panel) / IP 20 (terminals)
Display 8-digit LCD
Operating range -5 – +55°C
Dimensions (Width) 89 mm
Dimensions (Height) 71,2 mm
Dimensions (Depth) 65,6 mm



The Fronius Smart Meter is a bidirectional meter, which optimises self-consumption, records the load curve and controls the various energy flows. Thanks to highly accurate measurements and rapid communication via the Modbus RTU interface, dynamic feed-in control when feed-in limits are imposed is faster and more accurate than with the S0 meter.
Together with the Fronius Solar.web, the Smart Meter presents a clear overview of the power consumption. In combination with the Fronius storage solutions, the device ensures a perfect coordination of various energy flows, which optimises the entire energy management. The Fronius Smart Meter is ideally suited for use with the GEN24 Plus, as well as all Fronius inverters with the Fronius Datamanager 2.0.


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