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Acrel ACR10R-D16TE vs Carlo Gavazzi EM24

Install fit
Phase support Single-phase AC metering for PV/inverter cabinet and energy-demand monitoring. 1P2W, 3P3W, and 3P4W systems for the AV9 direct-connected model.
Installation Indoor DIN35 rail meter with external 16 mm split-core CT. Indoor 4-DIN DIN-rail mounted direct-connected energy analyzer for low-voltage switchboards.
Measurement Single-phase external-CT multifunction energy meter for electrical parameters and active/reactive energy. Direct-connected single/three-phase active and reactive energy analyzer with Modbus RTU and electrical-variable monitoring.
Max current 120 A 65 A
Meter fit
Accuracy class Active energy 0.5 level; reactive energy 1 level. Active energy Class 1 / Class B MID; reactive energy Class 2.
Current sensing External split-core current transformer, 16 mm through size; 120 A max current configuration shown on the official product page. Direct connection up to 65 A; no external CTs for EM24DINAV93XISX.
Monitoring
Protocol RS485 Modbus RTU RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required for core metering; local RS485 Modbus RTU is documented. No vendor cloud required for core metering; local RS485 Modbus RTU access through compatible hardware or software.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Acrel product range; local distributor and inverter-bundle availability varies. Carlo Gavazzi global product channels; country pages, certification, stock, and distributor availability vary by region.
Source check
Last verified Jul 23, 2026 Jun 27, 2026
Product page Official page Official page
Documentation Official docs Official docs
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