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Eastron SDM54-DM vs Acrel ADL200

Install fit
Phase support 1P2W and 3P4W supplies. Single-phase low-voltage AC system.
Installation Indoor DIN-rail direct-connected installation by a qualified electrician; IP51 front protection. DIN35 rail mounted direct-connected single-phase energy meter.
Measurement Direct-connected RMS parameter and bidirectional active/reactive import-export energy measurement for 1P2W and 3P4W AC supplies. Single-phase direct-connected Modbus energy meter measuring active energy and electrical parameters.
Max current 45 A 80 A
Meter fit
Accuracy class Active energy Class 1.0 / Class B (EN 50470-3:2022); reactive energy Class 2. Class 1 measuring accuracy.
Current sensing Direct connection up to 45 A; no external CTs. Direct connection, 10 A basic current and 80 A maximum current; no external CTs for this ADL200 direct-connect meter.
Monitoring
Protocol RS485 Modbus RTU RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required; readings are available locally over RS485 Modbus RTU. No vendor cloud required for core metering; ADL200 exposes local RS485 Modbus RTU and pulse output for gateways, EMS, SCADA, PLCs, or automation systems.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Eastron product range; regional distributor availability varies. Global Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market.
Source check
Last verified Sep 3, 2026 Jul 21, 2026
Product page Official page Official page
Documentation Official docs Official docs
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