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Eastron SDM630M-DI vs Carlo Gavazzi EM530

Install fit
Phase support Single-phase two-wire, three-phase three-wire, and three-phase four-wire AC systems. Two-phase and three-phase systems up to 415 V L-L.
Installation Indoor 4-module DIN-rail mounted direct-connected meter; installer-installed in a panel, switchboard, or EV-charger cabinet. DIN-rail energy analyzer for electrical-panel installation with external current sensors.
Measurement Direct-connected single/three-phase multifunction import/export energy and electrical-parameter meter with digital inputs. 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 / 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 for the 100 A format. External-sensor meter: CT 5 A, 333 mV sensor, or Rogowski-coil variants are documented.
Monitoring
Protocol RS485 Modbus RTU / pulse outputs / digital input Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required; readings are available locally through RS485 Modbus RTU 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; ETL/MID certification, stock, and suffix availability vary by market and distributor channel. 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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