Robust rail, luminaire inserts and gear tray of sheet steel, pure white (similar to RAL 9010) Reflectors of sheet steel or aluminium Installing of luminaire inserts and reflectors and electrical connection of inserts in rail is carried out without tools in one step | mechanical locking with simple, easy-to-use rotary catches | rotary catches (for secure fastening of inserts and reflectors in rail) entirely of metal, with colour-accentuated plastic cladding | Trunking luminaire with cover of clear, 5mm-thick toughened safety glass, can be hanged down with hinges and fasteners without use of tools Mounting of trunking luminaire directly on the DUS® trunking rail, screw fastening via two robust metal plates. | Connectors and suspension elements entirely of metal | large intervals between suspension points of up to 3.5m (for DUS® IP60 trunking luminaire up to 3.0m) due to robust connector elements |