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Eastron SDM54-DM vs Acrel ACR10R-D16TE

Install fit
Phase support 1P2W and 3P4W supplies. Single-phase AC metering for PV/inverter cabinet and energy-demand monitoring.
Installation Indoor DIN-rail direct-connected installation by a qualified electrician; IP51 front protection. Indoor DIN35 rail meter with external 16 mm split-core CT.
Measurement Direct-connected RMS parameter and bidirectional active/reactive import-export energy measurement for 1P2W and 3P4W AC supplies. Single-phase external-CT multifunction energy meter for electrical parameters and active/reactive energy.
Max current 45 A 120 A
Meter fit
Accuracy class Active energy Class 1.0 / Class B (EN 50470-3:2022); reactive energy Class 2. Active energy 0.5 level; reactive energy 1 level.
Current sensing Direct connection up to 45 A; no external CTs. 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; readings are available locally over RS485 Modbus RTU. 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 Global Eastron product range; regional distributor availability varies. Global Acrel product range; local distributor and inverter-bundle availability varies.
Source check
Last verified Sep 3, 2026 Jul 23, 2026
Product page Official page Official page
Documentation Official docs Official docs
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