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Acrel ACR10R-D16TE vs Acrel ADL400

Install fit
Phase support Single-phase two-wire (1P2L); exact product page lists AC 100 V or 400 V rated-voltage configurations, 45-65 Hz. Three-phase three-wire and three-phase four-wire systems.
Installation Indoor rail-mounted installation by a qualified electrician with the external split-core CT; exact D16 suffix denotes a 16 mm CT aperture. Indoor 4-module (72 mm) DIN-rail installation by a qualified electrician; the ADL400 family documents direct-connected and external-CT wiring variants.
Measurement External-CT voltage, current, power, frequency, power-factor, and bidirectional active/reactive energy metering. Three-phase 3P3W/3P4W electrical-parameter, 1st-31st harmonic, and bidirectional active/reactive energy measurement over local RS485 Modbus RTU.
Max current 120 A 80 A
Meter fit
Accuracy class Active energy 0.5 level; reactive energy 1 level. Active energy Class 0.5; reactive energy Class 2; MID/CE listed.
Current sensing External open (split-core) CT; exact D16 configuration has a 16 mm aperture and 120 A maximum current. Two documented input variants: 3 x 10(80) A and 3 x 1(6) A, with separate direct-connect and external-CT wiring diagrams; confirm the ordered input variant.
Monitoring
Protocol RS485 Modbus RTU RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud is required for display, configuration or metering; documented data access is local over RS-485 Modbus RTU. No vendor cloud required for core metering; ADL400 exposes local RS485 Modbus RTU for SCADA, EMS, gateways, or automation systems.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Acrel product range; local distributor and inverter-bundle availability varies. Global Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market.
Source check
Last verified Sep 6, 2026 Sep 5, 2026
Product page Official page Official page
Documentation Official docs Official docs
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