Prüfrex – Intelligence in drives

Ignition coil with integrated fuel mixture control

IPI®-S – ignition and engine management

IPI®-S with application-specific software from PRUFREX incorporates the electronics for mixture control in the ignition module – at no extra space cost. Combining ignition and engine management leads to improved engine running. This extremely compact unit is designed both for 2 and 4-stroke engines, compensates for your manufacturing tolerances, markedly reduces emissions, and ensures optimum air-fuel-mixture at any operating point.


Housing space-optimised and customer-specific


PCB loaded with application-specific software by PRUFREX


Coil Assembly


Stop connector and UART communication interface


Electrical steel lamination core – adaptable to different flywheel diameters and connection points

„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.