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Acrel ADW310 vs ABB A43 312-100

Install fit
Phase support Single-phase, 220 V measurement context. Three-phase three-wire and four-wire systems (2- and 3-element metering)
Installation Indoor distribution-box installation with an external split-core CT and AC 85-265 V auxiliary supply; qualified-electrician installation. Indoor 7-module DIN-rail direct-connected installation; professional three- or four-wire panel wiring required.
Measurement Single-phase external-CT measurement of electrical parameters, harmonics, and forward/reverse active energy. Three-phase direct-connected four-quadrant meter for active/reactive/apparent energy, import/export, electrical parameters, and multi-tariff sub-metering.
Max current 100 A 80 A
Meter fit
Accuracy class Class 1 active energy. MID Class B / IEC Class 1 active energy; Class 2 reactive energy
Current sensing External split-core CT; official manual lists matched 10 mm and 16 mm aperture options. Direct-connected 80 A measurement; no external CT required
Monitoring
Protocol RS485 Modbus RTU / DL/T 645-07; optional Wi-Fi, 4G, and 470 MHz LoRa variants RS-485 Modbus RTU / EQ Bus / infrared interface / configurable pulse-alarm I/O
Local API Yes Yes
Cloud dependency No vendor cloud is required for the /C RS485 Modbus RTU variant; cloud or remote-service dependency varies with optional Wi-Fi, 4G, or LoRa system design. No vendor cloud is required; readings and configuration are available locally over RS-485 Modbus RTU / EQ Bus and the meter display.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Acrel product and quote route; wireless-module availability and certifications vary by market. Global ABB product range; official localized product and distributor routes cover Europe, the Americas, Middle East/Africa, and Asia-Pacific, with stock and certification varying by market.
Source check
Last verified Aug 5, 2026 Aug 12, 2026
Product page Official page Official page
Documentation Official docs Official docs
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