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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. Indoor 4-module (72 mm) DIN-rail installation by a qualified electrician; the ADL400 family documents direct-connected and external-CT wiring variants.
Measurement Three-phase multifunction energy meter for voltage, current, power, power factor, frequency, active/reactive energy, demand, and harmonic monitoring. Three-phase 3P3W/3P4W electrical-parameter, 1st-31st harmonic, and bidirectional active/reactive energy measurement over local RS485 Modbus RTU.
Max current 80 A 80 A
Meter fit
Accuracy class Class 0.5S / Class 1 active energy; Class 2 reactive energy. Active energy Class 0.5; reactive energy Class 2; MID/CE listed.
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. Two documented input variants: 3 x 10(80) A and 3 x 1(6) A, with separate direct-connect and external-CT wiring diagrams; confirm the ordered input variant.
Monitoring
Protocol RS485 Modbus RTU and infrared RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required; RS485 Modbus RTU local access depends on the ordered communication option. 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 Sep 7, 2026 Sep 5, 2026
Product page Official page Official page
Documentation Official docs Official docs
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