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Carlo Gavazzi EM580 vs Acrel ACR10R-D16TE

Install fit
Phase support Single-phase 2-wire or three-phase 4-wire with neutral; 120-230 V L-N / 208-400 V L-L, 50 Hz; 0.8-1.15 Un. Single-phase two-wire (1P2L); exact product page lists AC 100 V or 400 V rated-voltage configurations, 45-65 Hz.
Installation Indoor 3-DIN DIN-rail direct connection, exact DET variant with top-down power wiring; qualified installation required. Indoor rail-mounted installation by a qualified electrician with the external split-core CT; exact D16 suffix denotes a 16 mm CT aperture.
Measurement Direct TRMS bidirectional active, reactive and apparent energy plus EV charging-session metering with signed OCMF data over local RS485 Modbus RTU. External-CT voltage, current, power, frequency, power-factor, and bidirectional active/reactive energy metering.
Max current 65 A 120 A
Meter fit
Accuracy class Active energy Class B (MID) / IEC Class 1; reactive energy IEC Class 1. Active energy 0.5 level; reactive energy 1 level.
Current sensing Direct input, 0.25-5(65) A; no external CT. External open (split-core) CT; exact D16 configuration has a 16 mm aperture and 120 A maximum current.
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 is required for display, configuration or metering; documented data access is local over RS-485 Modbus RTU.
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 Acrel product range; local distributor and inverter-bundle availability varies.
Source check
Last verified Sep 30, 2026 Sep 6, 2026
Product page Official page Official page
Documentation Official docs Official docs
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