English to Italian Tech/Engineering Automotive / Cars & Trucks

Si parla di sicurezza e di protezione in caso di urto/impatto in un veicolo alimentato elettricamente. Questo particolare tipo di cambio contribuisce ad assorbire l'energia in caso di impatto
Il senso del termine si trova qui:
http://congress.cimne.upc.es/complas05/admin/Files/FilePaper...
Si discosta da un termine simile:
A crash gearbox, also known as a crash box, is a transmission type used in old cars, trucks, and other automotive vehicles. It is more properly called a "sliding mesh" gearbox and has the nickname "crash" because it is difficult to change gears, so gear changes are often accompanied by loud noises.