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Eastron SDM54-DM vs Carlo Gavazzi EM24

Install fit
Phase support 1P2W and 3P4W supplies. 1P2W, 3P3W, and 3P4W systems for the AV9 direct-connected model.
Installation DIN-rail mounted direct-connected meter. Indoor 4-DIN DIN-rail mounted direct-connected energy analyzer for low-voltage switchboards.
Measurement Direct single/three-phase Modbus import/export energy meter. Direct-connected single/three-phase active and reactive energy analyzer with Modbus RTU and electrical-variable monitoring.
Max current 45 A 65 A
Meter fit
Accuracy class Active energy Class 1.0 / Class B; reactive energy Class 2. Active energy Class 1 / Class B MID; reactive energy Class 2.
Current sensing Direct connection up to 45 A; no external CTs. Direct connection up to 65 A; no external CTs for EM24DINAV93XISX.
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; local RS485 Modbus RTU access through compatible hardware or software.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Eastron product range; regional distributor availability varies. Carlo Gavazzi global product channels; country pages, certification, stock, and distributor availability vary by region.
Source check
Last verified Jul 19, 2026 Jun 27, 2026
Product page Official page Official page
Documentation Official docs Official docs
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