UEM40, UEM40-2C R, UEM40-2C M

40A single phase 2 wire energy meter

UEM40-2C Single Phase energy meter

Highlights

  • Direct connection up to 40 A
  • Fully bi-directional 4-quadrant measurements for all energies and powers
  • UEC40-2C for a simple energy meter without built-in communication
  • UEM40-2C R for RS485 Modbus RTU communication
  • UEM40-2C M for M-Bus communication
  • High reliability
  • 1 DIN module compact size
  • Quick installation
  • S0 output for energy pulse emission
  • LCD display with 7 main digits
  • Available with MID certification

Applications

  • Totalization of the electric energy in the industry for each single line or machine.
  • Measurement of energy generated by renewable sources such as solar, eolic, etc.
  • Accounting and billing of consumptions in camp sites, malls, residential areas, naval ports, etc.
  • Totalization of the electric consumption in hotels, congress centers, exhibition fairs.
  • Accounting of the consumptions in buildings with executive office services.
  • Internal allocation of the consumptions in timeshare civilian and industrial buildings.
  • Realization of energy monitoring systems.
  • Remote survey of the consumptions and compute of the costs.

Technical features

Power Supply
  • Power supplied from the voltage circuit
  • Nominal measurement voltage ±20%
  • Max consumption: 1.5 VA - 1 W
  • Nominal frequency: 50/60 Hz
Voltage range & frequency
  • Nominal values: 230 V 50/60 Hz
Current
  • Starting current Ist: 20 mA
  • Minimum current Imin: 250 mA
  • Transitional current Itr: 500 mA
  • Reference current Iref (Ib): 5 A
  • Maximum current Imax: 40 A
RS485 Modbus communication
  • Port: RS485
  • Protocol: Modbus RTU
  • Communication speed: 2400, 4800, 9600, 19200, 38400 bps
  • Unit load: 1/8
M-Bus communication
  • Port: wired (EN 1434-3)
  • Protocol: M-Bus
  • Communication speed: 300, 2400, 9600 bps
  • Unit load: 1
Accuracy
  • Active energy class 1 according to IEC/EN 62053-21 (NO MID)
  • Active energy class B according to EN 50470-3 (MID)
  • Reactive energy class 2 according to IEC/EN 62053-23
S0 output
  • Passive optoisolated
  • Maximum values: 27 VDC - 27 mA
  • Meter constant: 500 imp/kWh
  • Meter constant: 1000 imp/kWh
    The measuring unit (imp/kWh, imp/kvarh, imp/kVAh) changes according to the assigned counter (kWh, kvarh, kVAh)
  • Pulse length: 100 ±0.5ms
Metrological LED
  • Meter constant: 5000 imp/kWh
  • Pulse length: 4 ± 0.1 ms
Environmental conditions
  • Operating temperature: -25 °C ... +55 °C
  • Storage temperature: -40 °C ... +75 °C
  • Humidity: 80% max without condensation
  • Protection degree: IP51 frontal part -IP20 terminals

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