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Carlo Gavazzi EM24 vs Acrel ADL3000-E

Install fit
Phase support 1P2W, 2P3W, and 3P4W; the IS variant is excluded from 3P3W by the official wiring table. Three-phase three-wire and three-phase four-wire systems.
Installation Indoor 4-DIN-module DIN-rail direct-connected installation in a low-voltage switchboard. Indoor DIN35 rail three-phase meter; direct-connect ADL3000-E-A and CT-input ADL3000-E-B variants are documented.
Measurement Direct electrical-variable plus import/export active and reactive energy metering over local RS485 Modbus RTU. Three-phase multifunction energy meter for active/reactive energy, electrical parameters, demand, harmonics, and forward/reverse energy measurement.
Max current 65 A 80 A
Meter fit
Accuracy class Active energy Class 1; reactive energy Class 2. Exact X-suffix model is non-MID. 0.5s kWh accuracy.
Current sensing Direct 10(65) A AV9 input; no external CTs. 65 A is the continuous maximum. Direct 3 x 10(80) A and CT-input 3 x 1(6) A variants are documented; confirm ordered variant before installation.
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; ADL3000-E provides local RS485 Modbus RTU communication for SCADA, EMS, gateways, PLCs, or automation systems.
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; ADL3000-E-B/KC is noted by Acrel for North America market certification context, while local distributor availability varies.
Source check
Last verified Aug 28, 2026 Jul 22, 2026
Product page Official page Official page
Documentation Official docs Official docs
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