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Acrel PZ72L-DE/C vs Acrel ADL400

Install fit
Phase support Not AC phase-specific; one-circuit DC metering for solar DC, charging-post, telecom, battery, and DC-panel circuits. Three-phase three-wire and three-phase four-wire systems.
Installation Indoor panel / embedded DC meter; Acrel lists a 75 x 75 mm panel size and 67 x 67 mm cut-out size. DIN-rail mounted three-phase energy meter; direct and CT wiring variants are documented.
Measurement One-circuit DC voltage, current, power, kWh/kVarh, and forward/reverse energy metering. Three-phase Modbus energy meter measuring electrical parameters, active/reactive energy, and forward/reverse energy.
Max current 10 A 80 A
Meter fit
Accuracy class 0.5% measuring accuracy. Active energy Class 0.5; reactive energy Class 2.
Current sensing Direct 10 A DC input, or external Hall sensor / 75 mV shunt input depending on ordered configuration. Acrel documents 3 x 1(6) A and 3 x 10(80) A input-current variants, with direct-connect and CT wiring examples.
Monitoring
Protocol RS485 Modbus RTU RS485 Modbus RTU
Local API Yes Yes
Cloud dependency No vendor cloud is required for core metering; PZ72L-DE/C uses local display and optional RS485 Modbus RTU communication. 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 / quote route with regional Acrel sites; distributor availability, certification, and ordered options vary by market. Global Acrel product range with direct quote/contact routes; local distributor availability and certification context vary by market.
Source check
Last verified Jul 27, 2026 Jul 21, 2026
Product page Official page Official page
Documentation Official docs Official docs
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