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Acrel ADW300 vs Acrel ADL100-ET

Install fit
Phase support Three-phase three-wire and three-phase four-wire wiring modes. Single-phase low-voltage AC system.
Installation Indoor DIN-rail / distribution-box three-phase meter with external CT input and auxiliary AC/DC 85-265 V supply. Indoor 2P DIN-rail mounted direct-connected single-phase meter.
Measurement Three-phase CT-input wireless smart energy meter for active/reactive energy, electrical parameters, demand, harmonics, and power monitoring. Single-phase direct-connected active-energy and electrical-parameter meter for low-voltage circuits.
Max current Unknown 60 A
Meter fit
Accuracy class Class 0.5S active energy for ADW300; Class 1 for ADW300W variant. Class 1 measuring accuracy.
Current sensing External CT input; ADW300 manual lists 3 x 1(6) A CT-input context and optional 333 mV / Rogowski access variants. 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.
Monitoring
Protocol RS485 Modbus RTU; optional Wi-Fi, 4G, NB-IoT, LoRa / LoRaWAN variants RS485 Modbus RTU on /C communication variant
Local API Yes Yes
Cloud dependency No cloud required for RS485 Modbus RTU metering; Acrel IoT/cloud use is optional on wireless variants. 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.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Acrel product range; local wireless-option availability and certification context vary. Global Acrel product range with official quote/contact route; local distributor availability varies by market.
Source check
Last verified Jul 24, 2026 Jul 22, 2026
Product page Official page Official page
Documentation Official docs Official docs