A sealed industrial luminaire for T5 linear fluorescent lamps with additional protection against solid objects, splashing water sprayed from any direction and shocks. The luminaire is ideal for dusty and humid places. The body and the diffuser made of polycarbonate ensures full protection against mechanical damages. A wide range of accessories offered enables quick installation. Additional aluminum reflector creating the direction of the light beam (narrow, medium, wide) - available on request. Product is also available with optical system performing narrow light distribution (NARROW). The control gear system of high quality, working on AC or DC, with durability of 50000h. The system is also applied to interact with motion detector. Neptun luminaire is offered with standard INOX clips. Accessories: dimmable electronic gear, emergency sets, motion detector.