Reverse warning alarm

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Activate reverse alarm with electronic switch

Off-highway machinery in construction sites are required to warn the environment when reversing. Although many reverse warning alarm systems are commonly using a mechanical switch, Danfoss recommends using an electronic switch, type MEP mounted on the hydraulic circuit to activate the alarm.

Mechanical switches have many problems

  • Mechanical switches often leak causing warranty claims
  • The electrical contacts can burn out resulting in failure
  • The general accuracy is around +/- 5%
  • The set point can drift over time
  • Over and burst pressure limitation due to moving parts

Typical specifications

  • Switch point range: 5 bar
  • Pressure range: 0 – 80 bar
  • Accuracy: 2% FS

Features and benefits

Electronic pressure switches have 100% welded construction so no leakage possible

No electrical contacts to burn out

Highly accurate – better than 2% typical

No set point drift

Over and burst pressure advantage due to fully welded design

All the advantages from the “world” of transmitters in relation to vibration shock etc.

A more reliable reverse alarm system

Less wear outs of the switch due to no mechanical parts

Reduced warranty claims

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For further information, please contact us.