DC / DC power supply:
converter AlfaTronix
24 Vdc -> 12Vdc

24Vdc to 12Vdc Converters

These products offer a convenient way to operate mass produced 12Vdc equipment, such as cell phones, in car entertainment equipment, professional communication equipment, telematics equipment, refrigerators, televisions, etc. from the 24Vdc mobile electrical systems found on diesel engined vehicles and vessels and the 28Vdc systems found on aircraft.
These cool running products use switch mode technology and are assembled using surface mount technology.
All the products are CE marked, e marked and meet the requirements of
FCC Class B.

More specifications...