• Gossen Metrawatt
  • Camille Bauer


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Item number: U281AC

Digital Single-Phase Active Energy Meter for 2-Wire Systems, 230 V with Direct Connection, 5(40) A

Single-phase active energy meters from the METRALINE Energy product range are MID-certified and offer a space-saving design at a low price.

  • Digital Single-Phase Active Energy Meter for 2-Wire Systems, 230 V with Direct Connection, 5(40) A

METRALINE Energy series active energy meters facilitate energy data acquisition for a broad range of applications. Thanks to integrated, expandable interfaces and an extremely compact design, these MID-certified energy meters are the ideal solution where space is at a premium – and they’re cost-effective and feature GOSSEN METRAWATT’s usual top quality.

Product Highlights

  • MID-certified active energy meter for 2-wire systems, 230 V with direct connection, 5(40) A
  • 4-quadrant measurement: energy import and export
  • Ultra-compact design (1 standard width unit, i.e. 18 mm) with integrated interface, choice of:
    • S0 pulse output (Article number: U281A)
    • Modbus RTU Ø (Article number: U281B)
    • M-Bus (Article number: U281C)
  • Expandable communication via IR interface

Your advantages


  • Compact design including MID approval at an attractive price


  • Easy installation and integration into existing systems thanks to integrated interfaces
  • Parallel interface possible with communication modules


The MID-certified energy meter can be used to acquire and bill active energy in industrial, household, commercial, building management and other applications. Energy data can be transmitted to higher-level systems via the integrated interfaces and are available for billing, energy management and energy controlling.

  • Industrial energy logging for individual production lines or machines
  • Measurement of renewable energy from photovoltaic systems and wind power turbines
  • Logging and billing of energy consumption at campsites, shopping centers, housing developments and wharfs
  • Energy logging for hotels, convention centers and trade fair facilities
  • Internal cost distribution for timesharing-condos and subleased industrial buildings
  • Consumption billing for business centers
  • Setup of energy logging systems
  • Long distance transmission of consumption values and billing
  • Use in wall boxes and charging stations (e-mobility)
  • Use in active energy management as well as private home solutions
  • Particularities
    • Variant for 2-wire systems, 230 V
    • Direct connection, 5(40) A
    • Housing per DIN 43880: 1 standard width unit (18 mm) with integrated interface
    • Accuracy class B for active energy per EN 50470-3 for industrial and commercial use, as well as for household use with highly demanding requirements
    • Suitable for billing purposes thanks to MID approval
    • 4-quadrant measurement: energy import and export
    • Integrated interfaces, choice of S0 pulse output, M-Bus or Modbus RTU and expandable via IR communication modules
    • Manipulation is ruled out thanks to tamper-proof cover


Do you have any questions on the product or do you need technical information or details on the current delivery period? Our sales backoffice will be pleased to assist you.

Sales International:
Telephone: +49 911 8602-0
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