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Acrel ADL100-ET vs Acrel ADL3000-E

Install fit
Phase support Single-phase low-voltage AC system. Three-phase three-wire and three-phase four-wire systems.
Installation Indoor 2P DIN-rail mounted direct-connected single-phase meter. Indoor DIN35 rail three-phase meter; direct-connect ADL3000-E-A and CT-input ADL3000-E-B variants are documented.
Measurement Single-phase direct-connected active-energy and electrical-parameter meter for low-voltage circuits. Three-phase multifunction energy meter for active/reactive energy, electrical parameters, demand, harmonics, and forward/reverse energy measurement.
Max current 60 A 80 A
Meter fit
Accuracy class Class 1 measuring accuracy. 0.5s kWh accuracy.
Current sensing Direct connection; 10 A basic current and 60 A maximum current. No external CT setup is documented for the ADL100-ET 10(60) A direct-connected configuration. 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 on /C communication variant RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required for core metering; ADL100-ET /C variants expose local RS485 Modbus RTU, while pulse output and infrared are documented on the meter. 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 official quote/contact route; local distributor availability varies 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 22, 2026 Jul 22, 2026
Product page Official page Official page
Documentation Official docs Official docs
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