SIRIUS HRI 550W S short-arc metal halide lamp with reflector

Description SIRIUS HRI 550W S short-arc metal halide lamp with reflector

The SIRIUS HRI 550W S is a short-arc metal halide lamp with an integrated reflector, designed for high-performance lighting fixtures in the entertainment industry (stage, clubs, architectural projection) and studio lighting. It delivers a concentrated luminous flux and high brightness, which is critical for precise beam formation, efficient operation of optical systems, and stable color rendering.

Power: 550 W
Lamp type: Short-arc metal halide gas discharge lamp with integrated reflector
Nominal lamp voltage: 80 V
Nominal lamp current: 7.5 A
Ignition voltage (pulsed): 23 kV
Luminous flux: 35,000 lm
Luminous efficacy: 63.6 lm/W
Color temperature: 7500 K
Color rendering index (Ra): >80
Average life: 2000 h
Light arc dimensions (length): 1.2 mm
Light arc dimensions (Diameter): 0.8 mm
Arc Brightness: 1.8 Gd/m²
Reflector Type: Parabolic Dichroic
Reflector Material: Multi-Coated Quartz Glass
Reflector Diameter: 75 mm
Total Lamp Length (Max.): 100 mm
Bulb Diameter (Max.): 75 mm
Weight: 120 g
Burning Position: Any
Hot Restart Time: 10 sec
Time to 90% Luminous Flux: 60 sec
Dimming Range: 50-100% of Nominal Power
Maximum Temperature at Base Measurement Point: 250 °C
Maximum Bulb Temperature (in Operating Mode) point): 900 °C
Mercury content: 25 mg
Socket type: Special quick-release connector