OSRAM SIRIUS HRI 281W short-arc metal halide lamp with reflector

Description OSRAM SIRIUS HRI 281W short-arc metal halide lamp with reflector

The OSRAM SIRIUS HRI 281W lamp is a gas-discharge metal halide light source with an integrated reflector, designed specifically for professional moving head and projection systems in stage and studio lighting. It delivers exceptionally high brightness and precise beam shaping, critical for creating dynamic lighting effects and projections.

Lamp Power: 281 W
Nominal Lamp Voltage: 75 V
Nominal Lamp Current: 3.75 A
Starting Voltage: >4.0 kV
Luminous Flux: 12500 lm
Luminous Efficacy: 44.48 lm/W
Color Temperature: 8000 K
Color Rendering Index Ra: 70
Lifespan (B50): 1500 h
Burning Position: s15 (horizontal ±15°)
Overall Length: 65.5 mm
Reflector Diameter: 58 mm
Light Center Length: 32.5 mm
Arc Size: 1.1 mm
Reflector Type: Elliptical
Reflector Material: Coated Glass
Socket Type: Integrated
Weight: 70 g
Hot Restart: Yes
Dimmable: No
UV Filter: Integrated
Bulb Material: Quartz Glass