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Carlo Gavazzi EM511DINAV81XS1PFB vs Carlo Gavazzi EM111DINAV81XS1PFB

Install fit
Phase support Single-phase two-wire 120-240 V L-N Single-phase two-wire, 230 V L-N, 50 Hz
Installation Indoor DIN-rail switchboard installation Indoor 1-module DIN-rail direct-connected installation by a qualified electrician; IP51 front and IP20 terminals inside a suitable cabinet.
Measurement Direct-connected bidirectional energy and electrical-variable measurement Single-phase direct-connected active/reactive energy and electrical-variable metering with separate consumption and generation registers.
Max current 45 A 45 A
Meter fit
Accuracy class Class 1 active / MID Class B; Class 2 reactive Class 1 active energy; MID Class B active energy; Class 2 reactive energy
Current sensing Direct connected 5(45) A; no external CT 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.
Monitoring
Protocol RS-485 Modbus RTU RS-485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud is required for metering or configuration; data is available locally on the display and through RS-485 Modbus RTU. No vendor cloud is required; measurement, display, configuration, and data access operate locally through the meter and 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 product and sales-network routes across Europe, the Americas and Asia-Pacific; approvals and availability vary by market. 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.
Source check
Last verified Aug 12, 2026 Aug 13, 2026
Product page Official page Official page
Documentation Official docs Official docs
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