STS Smart prepayment meters

STS Smart prepayment meters

ME513-2 is a smart prepayment meter with a compact design for DIN rail-mounting and customized to the international prepaid AMI market. This series is based on the current international standard of AMI communication protocol DLMS/COSEM and supports local/remote online software upgrades. This smart prepayment meter uses the switching power supply, which applies to all kinds of standard voltage specifications abroad.


  • Supports total four quadrant active energy, four quadrant reactive energy, positive and negative energy.
  • Measurement of instantaneous voltage, current, active power, reactive power, apparent power factor and frequency.
  • Supports up to 8 rates, four-quadrant active and reactive power, positive and negative TOU measurement, and total energy measurement.
  • Supports positive and negative active demand, reactive demand and apparent demand measurement, and TOU measurement.
  • TOU and Step Tariff options.

Key benefits

  • Remaining energy alarm.
  • Load power control.
  • Communication capabilities.
  • Smart ready
  • Commission and decommission status.
  • Detection of tampering attempts.
  • Enhanced event logs record.
  • Different alarms.
  • Load control.
  • Low-voltage and over voltage relay openprotection.
  • Time-of-use (TOU) tariffs.

ME513-2 Smart STS DIN RAIL

Would you like to know more about the product? Make sure to download the brochure and get more information about the features, benefits and technical specifications.

Smart energy product portfolio

Our robust portfolio of smart metering solutions enables us to predict future needs for efficient energy management. Based on digitized IoT solutions, our products and services provide utilities with the data they need to manage energy consumption, anticipate demand and optimize costs.