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.


Ignition and Engine management


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!“

Heiko Diehm, Key Account Manager

Intelligence in drives

Our consultation and development approach for market-relevant optimisation.