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Eastron SDM320C-LR vs Carlo Gavazzi EM530

Install fit
Phase support Single-phase two-wire 1P2W AC systems. Two-phase and three-phase systems up to 415 V L-L.
Installation Indoor DIN-rail mounted direct-connected single-phase meter. DIN-rail energy analyzer for electrical-panel installation with external current sensors.
Measurement Single-phase direct-connected LoRaWAN import/export energy 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 / 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 LoRaWAN 1.0.2 / digital input Modbus RTU
Local API No Yes
Cloud dependency No Eastron vendor cloud is required, but remote telemetry depends on a compatible LoRaWAN gateway/network server rather than a direct local IP API. No vendor cloud is required for core metering. EM530 exposes local wired data through RS485 Modbus RTU or M-Bus variants.
Home Assistant No Yes
Solar fit
Solar import/export Yes Yes
Buying context
Price range Unknown About $250-$500
Availability Global Eastron product range; LoRaWAN frequency plan and certification availability vary by region, including EU868, AS923, AU915 and other variants noted by Eastron. 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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