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Carlo Gavazzi EM24 vs Acrel ACR10R-D16TE

Install fit
Phase support 1P2W, 2P3W, and 3P4W; the IS variant is excluded from 3P3W by the official wiring table. Single-phase AC metering for PV/inverter cabinet and energy-demand monitoring.
Installation Indoor 4-DIN-module DIN-rail direct-connected installation in a low-voltage switchboard. Indoor DIN35 rail meter with external 16 mm split-core CT.
Measurement Direct electrical-variable plus import/export active and reactive energy metering over local RS485 Modbus RTU. Single-phase external-CT multifunction energy meter for electrical parameters and active/reactive energy.
Max current 65 A 120 A
Meter fit
Accuracy class Active energy Class 1; reactive energy Class 2. Exact X-suffix model is non-MID. Active energy 0.5 level; reactive energy 1 level.
Current sensing Direct 10(65) A AV9 input; no external CTs. 65 A is the continuous maximum. External split-core current transformer, 16 mm through size; 120 A max current configuration shown on the official product page.
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 access through compatible hardware or software. No vendor cloud required for core metering; local RS485 Modbus RTU is documented.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Carlo Gavazzi global product channels; country pages, certification, stock, and distributor availability vary by region. Global Acrel product range; local distributor and inverter-bundle availability varies.
Source check
Last verified Aug 28, 2026 Jul 23, 2026
Product page Official page Official page
Documentation Official docs Official docs
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