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Eastron SDM72CT-M vs Carlo Gavazzi EM112

Install fit
Phase support 3P4W on current product page; V1.2 manual also documents 1P2W and 3P4W measurement. Single-phase 1-phase 2-wire / 230 V L-N system for the selected MID variant.
Installation Indoor 4-module 35 mm DIN-rail CT-operated panel installation; 72 x 100 x 66 mm, IP51 and CAT III. Professional wiring and correctly rated CTs are required. Indoor 2-DIN DIN-rail mounted direct-connected single-phase energy analyzer.
Measurement CT-operated RMS electrical parameters plus bidirectional active/reactive import-export energy; pulse outputs and local RS485 Modbus RTU. Direct-connected single-phase active/reactive energy analyzer with imported/exported energy measurement and RS485 Modbus RTU.
Max current 9999 A 100 A
Meter fit
Accuracy class Active energy Class 1.0 / Class B; reactive energy Class 2. Active energy Class 1 / Class B; reactive energy Class 2.
Current sensing External CT inputs with configurable 1-9999 A primary and 1 A or 5 A secondary. The 9999 A value is the CT-primary programming ceiling, not direct current through the meter. Direct connection 5(100) A; no external CTs for EM112DINAV01XS1PFB.
Monitoring
Protocol RS485 Modbus RTU / pulse output RS485 Modbus RTU / pulse output
Local API Yes Yes
Cloud dependency No vendor cloud required; local RS485 Modbus RTU and pulse outputs are available through compatible hardware. No vendor cloud required for core metering; readings are available locally through RS485 Modbus RTU and pulse output hardware paths.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Eastron product and inquiry channels; exact CT package, certification, stock and distributor availability vary by market. Carlo Gavazzi global product channels; country pages, MID/UKCA availability, stock, and distributor routes vary by region.
Source check
Last verified Aug 28, 2026 Jul 16, 2026
Product page Official page Official page
Documentation Official docs Official docs
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