LED high bay luminaire for indoor use. High-quality housing made of aluminum. Shade for light control and glare limitation made of PC or aluminum with nano coating for particularly even light distribution available separately. Suspended installation with chain or rope possible. The eyelet for suspension and a safety rope are included in delivery. Efficient thermal management with cooling fins. The luminaire is dustproof and protected against water jets. Long service life, high luminous flux, even illumination. Low maintenance. Particularly suitable for high installations. Energy savings of up to 75% compared to a conventional high bay luminaire. Can be used as a replacement for a 250W HQL spotlight or a 150W HQI spotlight. Shatterproof, suitable for use in IFS-certified areas.