The Sirius HRI 281W (55196) is a professional high-intensity discharge lamp engineered for moving head beam fixtures used in touring, clubs, theaters, and production environments. It delivers 13, 000 lumens at 7800K with Ra 78 for clean, cool-white output and strong throw. Designed for entertainment fixtures, it supports any burning position. Electrical specifications include 281W nominal wattage, 70V nominal voltage, and 4.0A nominal current. Optics geometry includes a 34.5 mm working distance and a 1.0 mm electrode gap (cold) to support consistent performance. Nominal lifetime is 2, 000 hours.
Common applications include 281W beam enclosures and 281W moving head beam fixtures.