The Sirius HRI 550W XL (55247) powered by Osram is a professional high-intensity discharge lamp engineered for compatible 550W XL moving head beam/spot/hybrid fixtures used in touring, clubs, theaters, and production environments. It delivers 28, 000 lumens at 7500K with Ra 75 for crisp, cool-white output and strong throw. Electrical specifications include 550W nominal wattage, 90V nominal voltage, 6.1A nominal current, and 2.5 kVp ignition voltage. Optics geometry includes a 59mm working distance. This model uses a Side Prong base, so verifying fixture compatibility is critical.
Nominal lifetime is 1, 000 hours. Common applications include 550W XL moving head enclosures.