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Eastron SDM230-M vs Carlo Gavazzi EM530

Install fit
Phase support Single-phase two-wire 1P2W / 1P+N AC systems. Two-phase and three-phase systems up to 415 V L-L.
Installation Indoor DIN-rail mounted direct-connected meter; installer-installed in a switchboard or electrical cabinet. DIN-rail energy analyzer for electrical-panel installation with external current sensors.
Measurement Single-phase multifunction direct-connected energy meter for import/export energy, power, voltage, current, power factor, frequency, and demand monitoring. 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 Class 0.5 IEC 62053-22 / Class C EN 50470-3:2022. Class B MID active energy; Class 0.5S kWh family positioning.
Current sensing Direct-connected meter; no external CTs required. External-sensor meter: CT 5 A, 333 mV sensor, or Rogowski-coil variants are documented.
Monitoring
Protocol RS485 Modbus / DLT645 / pulse output Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud is required; readings are available locally through RS485 Modbus/DLT645 and pulse outputs when connected to compatible equipment. 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 through Eastron factory/contact route and regional distributors; exact certification, stock, and model 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 24, 2026 Jun 13, 2026
Product page Official page Official page
Documentation Official docs Official docs
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