A1520 Alpha (ARM500) Meter


Electronic Single Phase Meter for railway applications

By using the electronic single phase ARM500 meter the delivered and received energy of every railway trip can be measured.

The ALPHA meter ARM500 is available for CT connections. The meter is in accordance with the relevant standards of DIN and IEC norm and follows the instructions of the VDEW-require-ments V2.0, for electronic electricity meter.


  • Single phase measuring of 16.66Hz or 50Hz
  • display according to the VDEW-specification
  • high accuracy and stability
  • reduction of the certification time by using the ABB test mode
  • 4-quadrant measurement ( P, -P, Q, -Q)
  • 4 energy and 4 demand tariffs, independent controllable
  • demand measurement with up to 2 quantities
  • integrated tariff clock
  • time back-up by internal supercap or battery
    Elster - A1520 ALPHA Meter