Northern Design Cube 400-M2 Series 3 Phase Power Meter Optional 2 Pulse Input or Outputs Nominal current up to 6 A (For 5A CT Input) and nominal voltage up to 240V L-N Three Line Display Optional RS 232/RS 485 communication up to 19,200 bit/s RMS values of currents and voltages Measurements of active, reactive, apparent power and power factor Optional THD up to 15th Harmonic The meter is intended for measuring, analysing and monitoring single-phase or three-phase electrical power network. The meter records TRMS value according to the principle of fast sampling of voltage and current signals. A built-in microprocessor calculates measurands (voltage, current, frequency, energy, power, power factor, phase angles, etc.) from the measured signals. Features : 96 x 96mm Panel Mount Accuracy class 1 Simple Menu Optional RS 232/RS 485 communication up to 19,200 bit/s or Ethernet communication MODBUS and Ethernet communication protocol 240V AC power supply Specification Northern Design Part Number Cube 400-M2 Functions kWh Meter, Energy Meter Supply Voltage 240VAC < 5VA Nominal Measurement Range 415V L-L 240V L-N, 5 Amp Maximum Measurement Range 415V L-L 280V L-N, 6 Amp Display Three Line LCD Pulse Output 2 (input or output) Accuracy Class 1 (kW,kWh) Class 1(Active) Class 2(kVar,PF) Battery Backup N/A Real Time Clock 1min/month (30ppm) Isolation 3.5kV RS232/RS485 N/A (Optional 2400-19200 b/s) Weight 350g Certification EN 61010-1 Installation Category III Factory Pack Qty 1 Environment IP54 Safety Protection Class II Enclosure Material Mablex with fire protection to UL94-V-O. Self extinguishing EnclosureSize 96 x 96mm x 83.5mm (72mm behind panel) Terminals Rising Cage 4mm² (12 AWG) cable max Humidity < 75% Non Condensing Operating Temperature -20 →+70 °C Datasheet Product Datasheet Product Manual Product Comms Manual Application Notes Dual Tariff Guide CT Cable Losses Meter Accuracy at Low Current Current Input Isolation
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