A company in the Lyon region, specialized in lighting and sound signaling products in the field of rail transport, asks us to produce the electronics for their products while complying with the regulatory requirements specific to electronic equipment used on rolling stock according to the NF standard. EN 50155: 2007.
We make two energy conversion cards for LED and USB:
- 5V DC power supply card.The purpose of this card is to supply regulated 5V, from a railway battery voltage source called 72V or 110V, deported USB charging cards (communication by wired link from 30 cm to 3 m max).
- Driver Led. EFS took part into the study and realization of a current regulated power supply intended for lighting based on LED technology and subject to railway constraints. It is used in the TGV ocean line for the following uses: step lighting, LED table lamp, staircase lighting, horizontal lighting, etc.
- Main card protected and accessless to the customer.
- Very low cost secondary card in direct contact with the customer and very easily replaceable.