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Acrel APM800 Series vs Acrel DTSD1352

Install fit
Phase support Three-phase three-wire and three-phase four-wire systems. Three-phase three-wire and three-phase four-wire systems.
Installation Indoor 92 x 92 mm panel-mounted multifunction power meter with CT signal inputs. Indoor 35 mm DIN-rail three-phase meter; direct-connect and external-transformer wiring modes are documented.
Measurement Three-phase CT-input multifunction power meter for electrical parameters, four-quadrant energy, demand, and power-quality monitoring. Three-phase multifunction energy meter for voltage, current, power, power factor, frequency, active/reactive energy, demand, and harmonic monitoring.
Max current Unknown 80 A
Meter fit
Accuracy class APM800 Class 0.5s active power; reactive power Class 2. Class 0.5S / Class 1 active energy; Class 2 reactive energy.
Current sensing External CT input: AC 1 A or 5 A secondary; primary current depends on selected CT ratio. Direct 3 x 10(80) A input or external-CT 3 x 1(6) A input depending on ordered configuration; confirm the wiring/current variant before installation.
Monitoring
Protocol RS485 Modbus RTU / DLT645; optional Ethernet Modbus TCP on MCE module RS485 Modbus RTU and infrared
Local API Yes Yes
Cloud dependency No vendor cloud required for core metering; APM800 supports local RS485 Modbus RTU / DLT645, with optional Ethernet Modbus TCP / HTTP module. No vendor cloud required; RS485 Modbus RTU local access depends on the ordered communication option.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes Yes
Buying context
Availability Global Acrel product range with official quote/contact route; local distributor availability varies. Global Acrel product range with quote/contact routes; local distributor availability and certification context vary by market.
Source check
Last verified Jul 23, 2026 Sep 7, 2026
Product page Official page Official page
Documentation Official docs Official docs
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