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Acrel ADL400 vs Carlo Gavazzi EM580

Install fit
Phase support Three-phase three-wire and three-phase four-wire systems. Single-phase 2-wire; three-phase 4-wire with neutral.
Installation DIN-rail mounted three-phase energy meter; direct and CT wiring variants are documented. Indoor 3-DIN DIN-rail direct-connected meter.
Measurement Three-phase Modbus energy meter measuring electrical parameters, active/reactive energy, and forward/reverse energy. Direct-connected single/three-phase import/export energy meter with RS485 Modbus RTU.
Max current 80 A 65 A
Meter fit
Accuracy class Active energy Class 0.5; reactive energy Class 2. Active energy Class 1 / Class B MID.
Current sensing Acrel documents 3 x 1(6) A and 3 x 10(80) A input-current variants, with direct-connect and CT wiring examples. Direct connection up to 65 A; no external CTs.
Monitoring
Protocol RS485 Modbus RTU RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required for core metering; ADL400 exposes local RS485 Modbus RTU for SCADA, EMS, gateways, or automation systems. No vendor cloud required for core metering; EM580 exposes local RS485 Modbus RTU data.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market. Carlo Gavazzi global product channels; MID/Eichrecht fit is strongest in European EV-charger markets.
Source check
Last verified Jul 21, 2026 Jun 25, 2026
Product page Official page Official page
Documentation Official docs Official docs
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