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Acrel ADL400 vs Acrel ACR10R-D16TE

Install fit
Phase support Three-phase three-wire and three-phase four-wire systems. Single-phase two-wire (1P2L); exact product page lists AC 100 V or 400 V rated-voltage configurations, 45-65 Hz.
Installation Indoor 4-module (72 mm) DIN-rail installation by a qualified electrician; the ADL400 family documents direct-connected and external-CT wiring variants. Indoor rail-mounted installation by a qualified electrician with the external split-core CT; exact D16 suffix denotes a 16 mm CT aperture.
Measurement Three-phase 3P3W/3P4W electrical-parameter, 1st-31st harmonic, and bidirectional active/reactive energy measurement over local RS485 Modbus RTU. External-CT voltage, current, power, frequency, power-factor, and bidirectional active/reactive energy metering.
Max current 80 A 120 A
Meter fit
Accuracy class Active energy Class 0.5; reactive energy Class 2; MID/CE listed. Active energy 0.5 level; reactive energy 1 level.
Current sensing 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. 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; ADL400 exposes local RS485 Modbus RTU for SCADA, EMS, gateways, or automation systems. 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 Global Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market. Global Acrel product range; local distributor and inverter-bundle availability varies.
Source check
Last verified Sep 5, 2026 Sep 6, 2026
Product page Official page Official page
Documentation Official docs Official docs