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Carlo Gavazzi EM112 vs Eastron SDM72D-M

Install fit
Phase support Single-phase 1-phase 2-wire / 230 V L-N system for the selected MID variant. Three-phase four-wire 3P4W AC systems.
Installation Indoor 2-DIN DIN-rail mounted direct-connected single-phase energy analyzer. Indoor DIN-rail mounted direct-connected three-phase meter.
Measurement Direct-connected single-phase active/reactive energy analyzer with imported/exported energy measurement and RS485 Modbus RTU. Three-phase 3P4W multifunction import/export energy and power meter.
Max current 100 A 100 A
Meter fit
Accuracy class Active energy Class 1 / Class B; reactive energy Class 2. Active energy Class 1.0 / Class B; reactive energy Class 2.
Current sensing Direct connection 5(100) A; no external CTs for EM112DINAV01XS1PFB. Direct-connected whole-current meter; no external CTs required.
Monitoring
Protocol RS485 Modbus RTU / pulse output RS485 Modbus RTU / pulse output
Local API Yes Yes
Cloud dependency No vendor cloud required for core metering; readings are available locally through RS485 Modbus RTU and pulse output hardware paths. No vendor cloud required; local readings are available through RS485 Modbus RTU and pulse outputs.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Carlo Gavazzi global product channels; country pages, MID/UKCA availability, stock, and distributor routes vary by region. Global Eastron product range; certification, stock, and suffix availability vary by market.
Source check
Last verified Jun 28, 2026 Jun 25, 2026
Product page Official page Official page
Documentation Official docs Official docs
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