Industrial luminaire in sheet steel with high efficiency that meets the industry's need for flexibility and long service life. Replaces T5 and T8 fixtures with lower energy consumption and reduced maintenance. Quick terminals strategically placed on both sides of the luminaire make it possible to use existing cabling (does not apply to Indline M). Thoughtful construction that enables the replacement of both LED and drive. Control the lighting via DALI/Push or On/Off. On/Off can be adjusted to lower light flux and power via DIP-Switch Power. The luminaire is adapted for mounting on a luminaire rail and has keyholes for installation in the ceiling. Integrated wire suspension with hook and hook lock for easy mounting on a line.