Start/Stop System with Combined Alarm System for Diesel Engines. Unit AHD 504 NG

Mains and generator monitoring

Additional monitoring of supply voltage and frequency

Product Features

  • Profile module for installation on standard profile rails in consoles, control panels or control cabinets
  • Degree of protection IP 20
  • 3 analog inputs, 500VAC/ 50Hz / 60Hz), measurement of voltage and current
  • Power supply 24 V DC +30%/-25%
  • 1 CAN-bus interfaces for data communication
  • Connections via pluggable terminal lists
  • Type approved by GL, RS (others on request)



With this unit, the voltage and frequency of the power supply system to be monitored can be measured. All 3 phases are captured separately. If predefined threshold values are exceeded, alarms are raised via the Alarm System AHD 504 A.

Drawings and photos AHD 504 NG

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