UEM80-4D

80A three phase energy counter with built-in communication

 UEM80-4D_big

Highlights

  • Modbus, M-Bus or Ethernet built-in communication
  • Direct connection up to 80 A
  • Fully bi-directional four quadrants measurements for all energies and powers
  • For 4 wire networks with balanced or unbalanced load
  • S0 output for energy pulse emission
  • LCD display with 8 main digits
  • Built according EN 50470-1 standard

Technical Features

Power supply

    • Power supplied from the voltage lines
    • Voltage range: 180 … 290 V L-N
    • Max consumption (for each phase): 3,5 VA – 1 W
    • Frequency: 50/60 Hz

 

Voltage

    • Range:
      3×230/400V … 3×240/415V 50/60Hz 4 wires

 

Current

  • Starting current I st: 20 mA
  • Minimum current I min: 250 mA
  • Transitional current I tr: 500 mA
  • Reference current I ref (Ib): 5 A
  • Maximum current I max: 80 A

RS485 Modbus communication

  • Port: RS485
  • Protocol: Modbus RTU/ASCII
  • Communication speed: 300 … 57600 bps

M-Bus communication

  • Port: wired (EN 1434-3)
  • Protocol: M-Bus
  • Communication speed: 300 … 38400 bps
  • Unit load: 1

Ethernet communication

  • Port: 10/100 Base T
  • Protocol: HTTP, NTP, DHCP, Modbus TCP
  • Communication speed: 10/100 Mbps
  • Data recording

Accuracy

  • Active energy class 1 according to IEC/EN 62053-21
  • Reactive energy class 2 according to IEC/EN 62053-23

S0 output

  • Passive optoisolated
  • Maximum values: 27 V DC – 27 mA
  • Pulse length: 50 ±2ms ON time

Tariff input (not available with Ethernet model)

  • Active optoisolated
  • Maximum voltage: 276 V AC-DC

Metrological LED

  • Meter constant: 1000 pulse/kWh

Environmental conditions

  • Operating temperature: -25°C … +55°C
  • Storage temperature: -25°C … +75°C
  • Humidity: 80% max without condensation
  • Protection degree: IP51 frontal part – IP20 terminals

 

pdf» DATA SHEET «

 

 

SIMILAR ARTICLES