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Acrel ADL400 vs Acrel ADL3000-E

Install fit
Phase support Three-phase three-wire and three-phase four-wire systems. Three-phase three-wire and three-phase four-wire systems.
Installation DIN-rail mounted three-phase energy meter; direct and CT wiring variants are documented. Indoor DIN35 rail three-phase meter; direct-connect ADL3000-E-A and CT-input ADL3000-E-B variants are documented.
Measurement Three-phase Modbus energy meter measuring electrical parameters, active/reactive energy, and forward/reverse energy. Three-phase multifunction energy meter for active/reactive energy, electrical parameters, demand, harmonics, and forward/reverse energy measurement.
Max current 80 A 80 A
Meter fit
Accuracy class Active energy Class 0.5; reactive energy Class 2. 0.5s kWh accuracy.
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 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; ADL400 exposes local RS485 Modbus RTU for SCADA, EMS, gateways, or automation systems. 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 Global Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market. 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 Jul 21, 2026 Jul 22, 2026
Product page Official page Official page
Documentation Official docs Official docs
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