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Acrel DTSD1352 vs Acrel ADL400

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 Indoor 35 mm DIN-rail three-phase meter; direct-connect and external-transformer wiring modes are documented. DIN-rail mounted three-phase energy meter; direct and CT wiring variants are documented.
Measurement Three-phase multifunction energy meter for voltage, current, power, power factor, frequency, active/reactive energy, demand, and harmonic monitoring. Three-phase Modbus energy meter measuring electrical parameters, active/reactive energy, and forward/reverse energy.
Max current 80 A 80 A
Meter fit
Accuracy class Active energy Class 0.5 / 1; reactive energy Class 2. Active energy Class 0.5; reactive energy Class 2.
Current sensing Direct 3 x 10(80) A configuration and CT/external-transformer configurations including 3 x 1(6) A are documented; confirm ordered wiring mode before installation. Acrel documents 3 x 1(6) A and 3 x 10(80) A input-current variants, with direct-connect and CT wiring examples.
Monitoring
Protocol RS485 Modbus RTU and infrared RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required for core metering; DTSD1352 exposes local RS485 Modbus RTU communication, with infrared also documented. No vendor cloud required for core metering; ADL400 exposes local RS485 Modbus RTU for SCADA, EMS, gateways, or automation systems.
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 Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market.
Source check
Last verified Jul 24, 2026 Jul 21, 2026
Product page Official page Official page
Documentation Official docs Official docs
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