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Acrel DTSD1352 vs ABB A43 312-100

Install fit
Phase support Three-phase three-wire and three-phase four-wire systems. Three-phase three-wire and four-wire systems (2- and 3-element metering)
Installation Indoor 35 mm DIN-rail three-phase meter; direct-connect and external-transformer wiring modes are documented. Indoor 7-module DIN-rail direct-connected installation; professional three- or four-wire panel wiring required.
Measurement Three-phase multifunction energy meter for voltage, current, power, power factor, frequency, active/reactive energy, demand, and harmonic monitoring. Three-phase direct-connected four-quadrant meter for active/reactive/apparent energy, import/export, electrical parameters, and multi-tariff sub-metering.
Max current 80 A 80 A
Meter fit
Accuracy class Class 0.5S / Class 1 active energy; Class 2 reactive energy. MID Class B / IEC Class 1 active energy; Class 2 reactive energy
Current sensing Direct 3 x 10(80) A input or external-CT 3 x 1(6) A input depending on ordered configuration; confirm the wiring/current variant before installation. Direct-connected 80 A measurement; no external CT required
Monitoring
Protocol RS485 Modbus RTU and infrared RS-485 Modbus RTU / EQ Bus / infrared interface / configurable pulse-alarm I/O
Local API Yes Yes
Cloud dependency No vendor cloud required; RS485 Modbus RTU local access depends on the ordered communication option. 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 range with quote/contact routes; local distributor availability and certification context 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 Sep 7, 2026 Aug 12, 2026
Product page Official page Official page
Documentation Official docs Official docs
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