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Carlo Gavazzi EM111DINAV81XS1PFB vs Carlo Gavazzi EM511DINAV81XS1PFB

Install fit
Phase support Single-phase two-wire, 230 V L-N, 50 Hz Single-phase two-wire 120-240 V L-N
Installation Indoor 1-module DIN-rail direct-connected installation by a qualified electrician; IP51 front and IP20 terminals inside a suitable cabinet. Indoor DIN-rail switchboard installation
Measurement Single-phase direct-connected active/reactive energy and electrical-variable metering with separate consumption and generation registers. Direct-connected bidirectional energy and electrical-variable measurement
Max current 45 A 45 A
Meter fit
Accuracy class Class 1 active energy; MID Class B active energy; Class 2 reactive energy Class 1 active / MID Class B; Class 2 reactive
Current sensing AV8 direct connection: normal applications up to 32 A; 5(45) A with 45 A maximum continuous current when 6 mm² wiring and local rules permit; no external CT. Direct connected 5(45) A; no external CT
Monitoring
Protocol RS-485 Modbus RTU RS-485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud is required; measurement, display, configuration, and data access operate locally through the meter and RS-485 Modbus RTU. No vendor cloud is required for metering or configuration; data is available locally on the display and through RS-485 Modbus RTU.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Carlo Gavazzi product range with localized sales routes; exact PFB SKU carries CE, MID (Europe), UKCA, and Nordic E-number listings, while stock and approval needs vary by market. Global Carlo Gavazzi product range with localized product and sales-network routes across Europe, the Americas and Asia-Pacific; approvals and availability vary by market.
Source check
Last verified Aug 13, 2026 Aug 12, 2026
Product page Official page Official page
Documentation Official docs Official docs
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