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Carlo Gavazzi EM580 vs Carlo Gavazzi EM340

Install fit
Phase support Single-phase 2-wire; three-phase 4-wire with neutral. 2-/3-wire and 3-/4-wire three-phase contexts.
Installation Indoor 3-DIN DIN-rail direct-connected meter. DIN-rail mounted direct-connected meter.
Measurement Direct-connected single/three-phase import/export energy meter with RS485 Modbus RTU. Direct three-phase import/export energy meter.
Max current 65 A 65 A
Meter fit
Accuracy class Active energy Class 1 / Class B MID. Class 1 kWh / Class B kWh.
Current sensing Direct connection up to 65 A; no external CTs. Direct connected 5(65) A; no external CTs.
Monitoring
Protocol RS485 Modbus RTU RS485 / Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud required for core metering; EM580 exposes local RS485 Modbus RTU data. No vendor cloud required; RS485 Modbus RTU is local wired access.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Carlo Gavazzi global product channels; MID/Eichrecht fit is strongest in European EV-charger markets. Global / localized Carlo Gavazzi product channels; stock and certification vary by market.
Source check
Last verified Jun 25, 2026 Jun 23, 2026
Product page Official page Official page
Documentation Official docs Official docs
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