Support rail made of steel, torsion-resistant support rail made of galvanized, profiled sheet steel with a zinc coating combined with a polyester resin varnish to ensure good corrosion protection, universal support rail can be used for light strips of all protection classes IP20 to IP64, ribbon cable inserted at the factory and wired to the quick-assembly socket part. The maximum distance between the vertical suspensions is defined by the weight of the light strip. For a freely radiating light strip with 1500 units in EVG design, the distance between the vertical suspensions can be increased to a maximum of 3.5 m. For larger distances (up to 4.5 m), it is possible to either suspend with the SDT -AP suspension profile or by means of an M suspension via a SDT -ZA central hanger.,Attention: The suspensions are only designed for horizontal arrangement of the light strips. For angled suspension or other arrangements, please consult us. Torsion-resistant support rail made of galvanized, profiled sheet steel with zinc coating combined with polyester resin paint ensure good corrosion protection, universal support rail can be used for light strips of all protection classes IP20 to IP64, ribbon cable inserted at the factory and wired to the quick-assembly socket part. Order connection and assembly accessories as well as rail end pieces and connectors separately.