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Fronius Energy Management Relay

Configuration diagram energy management
Fronius Signal Card
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Configuration diagram energy managementFronius Signal Card
Intelligent energy management for Fronius Galvo, Fronius Symo as well as for Fronius IG Plus, Fronius IG TL and Fronius CL inverters

With the energy management relay, Fronius has developed a solution for optimising the private consumption of self-generated solar power. It allows the power hysteresis to be configured for the inverters Fronius Galvo, Fronius Symo, Fronius IG TL (function is integrated by standard!) as well as for Fronius IG Plus and Fronius CL (retrofitting by a plug-in card). This means that switch on and off thresholds can be set on the inverter as units of power (Watt). If the inverter produces more than the set power (e.g. 2,000 W), a relay output is activated and an electrical consumer is operated using the solar electricity generated instead of feeding power into the public grid. The relay output is deactivated if the energy yield drops below a specified value (e.g. 1,800 W).

In addition to the relay, the Fronius Galvo, Fronius Symo and inverters with a Fronius Datamanager also have a digital energy management output with the same functionality (incl. definable minimum turn on-time).

Technical Data


Fronius Signal Card DC AC
Max. voltage 50 V 250 V
Max. current 1 A 4 A

Fronius IG TL DC AC
Max. voltage 12 V
Max. current 300 mA

Fronius CL DC AC
Max. voltage 24 V 277 V
Max. current 10 A 10 A

Fronius Symo and Fronius Galvo DC AC
Max. voltage 30 V 250 V
Max. current 1 A 4 A

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