Prüfrex – Intelligence in drives

Cost Effective modular concept

IPI®-N – electronic fuel injection

Improved running, reduction in consumption and emissions, and peak performance – IPI®-N ensures the advantages of an electronically controlled ignition point and fuel injection especially for non-battery applications. The modular design, with 2 and 4-stroke capability, allows for extremely cost effective variations to suit different models of engine. Numerous additional functions are also possible.


Customised housing


Coil (generator-fed)


Software for adaptive lambda control


PCB loaded with application-specific software by PRUFREX


Optimised installation: Motor management inputs and outputs


Robust sealed connectors

„We optimise our modular solutions to your product. For further details please contact us!“

Dipl.-Ing. Martin Zappe, Director Sales Division

Intelligence in drives

Our consultation and development approach for market-relevant optimisation.