This International Standard applies to a track systems with two or more poles for the connection of luminaires to the electrical supply consisting of, either
- a system with a rated voltage not exceeding 440 V between poles (live conductors) with provision for earthing (class I) and a rated current not exceeding 16 A per conductor, or
- a SELV system with a rated voltage not exceeding 25 V a.c. or 60 V d.c. without provision for earthing (class III) and a rated current not exceeding 25 A per conductor, or
- a combination of the two systems mentioned above (mixed supply system) for the connection of both mains voltage luminaires (class I or II) and SELV supplied luminaires (class III) simultaneously, but in different sector openings (mains or SELV).
The track systems may also provide for the mechanical support of the luminaires.
DIN EN 60570 VDE 0711-300:2004-01