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IAMMETER WEM3046T vs Carlo Gavazzi EM112

Install fit
Phase support Three-phase 4-wire WYE/Star; also used by IAMMETER for single-phase-as-3-meters and split-phase scenarios. Single-phase 1-phase 2-wire / 230 V L-N system for the selected MID variant.
Installation 2-pole DIN-rail meter with external xxx:5A CT wiring. Indoor 2-DIN DIN-rail mounted direct-connected single-phase energy analyzer.
Measurement Three-phase 5 A CT-input Wi-Fi energy meter with bidirectional active energy and electrical-parameter monitoring. Direct-connected single-phase active/reactive energy analyzer with imported/exported energy measurement and RS485 Modbus RTU.
Max current Unknown 100 A
Meter fit
Accuracy class Class 1 active energy; +/-1.0% V/I/active power. Active energy Class 1 / Class B; reactive energy Class 2.
Current sensing No bundled primary CTs; connects to third-party external CTs with 5 A secondary output, such as 600:5A, 800:5A, 1000:5A or larger ratios. Direct connection 5(100) A; no external CTs for EM112DINAV01XS1PFB.
Monitoring
Protocol Wi-Fi / HTTP / MQTT / Modbus TCP / RS485 Modbus RTU / Local API RS485 Modbus RTU / pulse output
Local API Yes Yes
Cloud dependency IAMMETER Cloud/app is available, but local LAN HTTP GET, Modbus TCP/RTU, MQTT, and user-specified server upload paths are documented. No vendor cloud required for core metering; readings are available locally through RS485 Modbus RTU and pulse output hardware paths.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global IAMMETER channels with China, USA, Australia, and Germany warehouse/platform lanes listed for WEM3046T; regional stock and CT selection vary by seller. Carlo Gavazzi global product channels; country pages, MID/UKCA availability, stock, and distributor routes vary by region.
Source check
Last verified Jun 15, 2026 Jun 28, 2026
Product page Official page Official page
Documentation Official docs Official docs
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