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Eastron SDM72D-M vs Carlo Gavazzi EM530

Install fit
Phase support Three-phase four-wire 3P4W AC systems. Two-phase and three-phase systems up to 415 V L-L.
Installation Indoor DIN-rail mounted direct-connected three-phase meter. DIN-rail energy analyzer for electrical-panel installation with external current sensors.
Measurement Three-phase 3P4W multifunction import/export energy and power meter. Two- and three-phase energy analyzer for consumption and generation/import-export measurement.
Max current 100 A 10000 A
Nominal voltage Unknown 120-240 V L-N / 208-415 V L-L
Meter fit
Accuracy class Active energy Class 1.0 / Class B; reactive energy Class 2. Class B MID active energy; Class 0.5S kWh family positioning.
Current sensing Direct-connected whole-current meter; no external CTs required. External-sensor meter: CT 5 A, 333 mV sensor, or Rogowski-coil variants are documented.
Monitoring
Protocol RS485 Modbus RTU / pulse output Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required; local readings are available through RS485 Modbus RTU and pulse outputs. No vendor cloud is required for core metering. EM530 exposes local wired data through RS485 Modbus RTU or M-Bus variants.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Price range Unknown About $250-$500
Availability Global Eastron product range; certification, stock, and suffix availability vary by market. Global Carlo Gavazzi and regional distributor channels; exact EM530 variants and approvals vary by country.
Source check
Last verified Jun 25, 2026 Jun 13, 2026
Product page Official page Official page
Documentation Official docs Official docs
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