Prolec PME 400 – Height and Slew Limiter

Height and Slew Limiter with automatic machine stop.


Prolec PME 400 Height and Slew Limiter System – a transformative breakthrough in heavy machinery operations. With decades of industry expertise and an unwavering commitment to excellence, we’ve engineered a solution that not only elevates safety but also sets unprecedented benchmarks for efficiency and precision.


Introducing the Prolec PME 400 Height and Slew Limiter System:


The PME400 range is a combination of our trusted height and slew technologies, the PME400 systems protect operators and assets from hazards above and around your machine in one effective real-time height and slew limiting system. Hydraulic motion cuts are standard on all PME400 systems to automatically override movement and halt the machine when movement limits are reached.


Key Features of the Prolec PME 400 Height and Slew Limiter System:


Advanced Height and Slew Monitoring: Our system offers real-time height and slew monitoring with unparalleled precision. It ensures that machinery operations stay within safe limits, reducing accidents.

Automatic Machine Stop: When limits are reached, the system proactively halts the machine, minimising the risk of accidents and damage.

User-Friendly Interface: The intuitive interface provides operators with clear visual cues, real-time measurements, and alerts. Complex data is simplified, allowing operators to focus on tasks while staying informed.

Data Logging as Standard: The system captures detailed operational data, for audit purposes.

Seamless Compatibility: The Prolec PME 400 System effortlessly integrates with a diverse range of heavy machinery, ensuring a smooth implementation process with minimal disruptions.

Expert Support: Our team of professionals is poised to provide technical support, training, and guidance for optimal system utilisation.


Experience Safety and Precision:

The Prolec PME 400 Height and Slew Limiter System heralds a new era in machinery safety and operational precision. With decades of experience and innovation, we invite you to delve into this revolutionary system and elevate your operations to unprecedented levels of safety, efficiency, and precision.


  • Height limiter
  • Slew limiter
  • Individual operator set working limits
  • Virtual wall technology
  • Full envelope control
  • 4.3″ daylight viewable HD display
  • Simple, icon-driven menu
  • Languages: multiple as required
  • Fully sealed capacitive touch buttons
  • Override keyswitch
  • Supervisor keyswitch
  • Hydraulic motion cuts
  • Proportional valve control
  • Available for mono and triple boom machines
  • External alarm
  • Full traceability and logging for audit purposes (4GB capacity approx 6 months’ usage)
  • EN13849-1:2015 Performance level C


Embrace the future where safety is a standard, and precision defines success with Prolec PME.


Contact us today to learn more about how the PME systems can transform the way you approach projects.


graphical construction man with folded arms

Work safer

Protects operators from collisions with surrounding hazards by restricting machine movement to safe working zones.
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Work smarter

Simple, icon-based display and quick set-up delivers hazard mitigation without the hassle.
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Save time

Use a larger machine without increasing the risk profile.
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Save money

Mitigates the risk of collisions with critical infrastructure, protecting your bottom line.
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Be future proof

Helps grow your business by preventing costly incidents, while opening the door to new projects.
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Be compliant

Meets the latest regulatory standards for excavator height and slew limiting.