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Smappee Infinity vs Carlo Gavazzi EM340

Install fit
Phase support Single-phase and three-phase installation planning, including 1P, 3P+N / 3 x 400 V, and 3P / 3 x 230 V topologies. 2-/3-wire and 3-/4-wire three-phase contexts.
Installation Certified-electrician distribution-board installation with Power Box, CT Hub, CTs, Solid Core CTs, or Rogowski coils usually under panel cover. DIN-rail mounted direct-connected meter.
Measurement Modular CT/Rogowski energy-management metering system for mains, circuits, solar PV, storage, EV charging, and major loads. Direct three-phase import/export energy meter.
Max current 10000 A 65 A
Meter fit
Accuracy class Unknown Class 1 kWh / Class B kWh.
Current sensing Modular CT architecture: CT Hub supports up to 4 CTs or Rogowski coils; Smappee documentation supports expansion up to 28 measured inputs. Direct connected 5(65) A; no external CTs.
Monitoring
Protocol Smappee Bus / Wi-Fi / Ethernet / Smappee Cloud / Modbus RTU / MQTT / EEBUS RS485 / Modbus RTU
Local API Yes Yes
Cloud dependency Smappee Cloud is the normal app/dashboard path; Power Box Modbus RTU can provide local register readout for supported measurements. 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 Europe and international Smappee partner / certified-installer channels; availability varies by country, installer access, and project. Global / localized Carlo Gavazzi product channels; stock and certification vary by market.
Source check
Last verified Jun 24, 2026 Jun 23, 2026
Product page Official page Official page
Documentation Official docs Official docs
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