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Carlo Gavazzi EM112 vs Eastron SDM72CT-M

Energy Meter

Carlo Gavazzi EM112

Carlo Gavazzi EM112DINAV01XS1PFB

Energy Meter

Eastron SDM72CT-M

Decision point	Carlo Gavazzi EM112	Eastron SDM72CT-M

Install fit
Phase support	Single-phase 1-phase 2-wire / 230 V L-N system for the selected MID variant.	3P4W on current product page; V1.2 manual also documents 1P2W and 3P4W measurement.
Installation	Indoor 2-DIN DIN-rail mounted direct-connected single-phase energy analyzer.	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.
Measurement	Direct-connected single-phase active/reactive energy metering; PFB measures consumption and generation, with only positive active energy MID-certified.	CT-operated RMS electrical parameters plus bidirectional active/reactive import-export energy; pulse outputs and local RS485 Modbus RTU.
Max current	100 A	9999 A
Meter fit
Accuracy class	Active energy Class 1 / Class B; reactive energy Class 2.	Active energy Class 1/B; reactive Class 2; V/I 0.5%; power 1%.
Current sensing	Direct connection 5(100) A; no external CTs for EM112DINAV01XS1PFB.	External 1 A/5 A CT input; configurable 1-9999 A primary; current product page lists 0.25 A minimum and 10 mA start. 9999 A is the CT-primary setting ceiling.
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 RS485 Modbus RTU and pulse outputs are available through compatible hardware.
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 and inquiry channels; exact CT package, certification, stock and distributor availability vary by market.
Source check
Last verified	Sep 2, 2026	Oct 7, 2026
Product page	Official page	Official page
Documentation	Official docs	Official docs