The Sirius HRI 461W S (4052899553583) powered by Osram is a professional high-intensity discharge lamp engineered for compatible 461W S moving head beam/spot/hybrid fixtures used in touring, clubs, theaters, and production environments. It delivers 24, 000 lumens at 7500K with Ra 80 for clean, cool-white output and strong throw. Electrical specifications include 461W nominal wattage, 83V nominal voltage, and 5.3A nominal current. Designed for entertainment fixtures, it supports any burning position. Optics geometry includes a 37.4 mm working distance and a 1.3 mm electrode gap (cold). Nominal lifetime is 1, 500 hours.