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Eastron SDM630MCT V2 vs Carlo Gavazzi EM530

Install fit
Phase support Three-phase four-wire, three-phase three-wire, and single-phase two-wire AC systems. Two-phase and three-phase systems up to 415 V L-L.
Installation Indoor 4-module DIN-rail mounted CT-operated meter; installer-installed with auxiliary power and external 1A/5A CTs. DIN-rail energy analyzer for electrical-panel installation with external current sensors.
Measurement CT-operated three-phase multifunction import/export energy and electrical-parameter meter for 3P4W, 3P3W, and 1P2W systems. Two- and three-phase energy analyzer for consumption and generation/import-export measurement.
Max current 9999 A 10000 A
Nominal voltage Unknown 120-240 V L-N / 208-415 V L-L
Meter fit
Accuracy class Active energy Class 0.5S/1.0; Class B/C. Class B MID active energy; Class 0.5S kWh family positioning.
Current sensing CT/PT operated meter with 1A/5A CT secondary inputs and configurable CT primary ratio from 1 A to 9999 A. External-sensor meter: CT 5 A, 333 mV sensor, or Rogowski-coil variants are documented.
Monitoring
Protocol RS485 Modbus RTU / pulse outputs / optional M-Bus or LoRaWAN variants Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required; local readings are available through RS485 Modbus RTU and pulse outputs on the SDM630MCT/MT variants. 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, CT configuration, and communication variant 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