Investigations conducted by DEKRA (Deutscher-Kraftfahrzeug-Überwachungs-Verein) establish that almost 90% of road traffic accidents cause subsequent fire at speeds above 80 km/h. The conclusion to be drawn is that the extreme deformation of the vehicle body causes an earth fault of the thickest electrical conductor, the cable between the battery and the starter / generator.
In the case of such short-circuits, there can be direct ignition caused by sparks or arcing or, equally hazardous, smoldering fires occur as a result of the enormous heat development. Apart from the hot parts in the engine compartment, the electrical energy stored in the battery forms the primary source of ignition in the car.
Disconnection systems and pyrotechnical safety battery terminals are approved standard of the automotive industry. You can trust the experience and high quality requirements of the vehicle industry and use the PSS Pyroswitch of Autoliv.