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Acrel ACR10R-D16TE vs Acrel ADL400

Install fit
Phase support Single-phase AC metering for PV/inverter cabinet and energy-demand monitoring. Three-phase three-wire and three-phase four-wire systems.
Installation Indoor DIN35 rail meter with external 16 mm split-core CT. DIN-rail mounted three-phase energy meter; direct and CT wiring variants are documented.
Measurement Single-phase external-CT multifunction energy meter for electrical parameters and active/reactive energy. Three-phase Modbus energy meter measuring electrical parameters, active/reactive energy, and forward/reverse energy.
Max current 120 A 80 A
Meter fit
Accuracy class Active energy 0.5 level; reactive energy 1 level. Active energy Class 0.5; 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. Acrel documents 3 x 1(6) A and 3 x 10(80) A input-current variants, with direct-connect and CT wiring examples.
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; ADL400 exposes local RS485 Modbus RTU for SCADA, EMS, gateways, or automation systems.
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. Global Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market.
Source check
Last verified Jul 23, 2026 Jul 21, 2026
Product page Official page Official page
Documentation Official docs Official docs
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