• LEDVANCE Light Bulb 250W / D / OPAQUE Osram Powerstar HQI-T x12PCs
  • LEDVANCE Light Bulb 250W / N / CLEAR Osram Powerstar HQI-T x12PCs
  • LEDVANCE Light Bulb Osram Powerstar HQI-T x12PCs
  • LEDVANCE Light Bulb 400W / N / OPAQUE Osram Powerstar HQI-T x12PCs
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Osram Powerstar HQI-T x12PCs

$ 328.80 SGD
$ 351.81 SGD $ 328.80 SGD
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Product Code:

AvailabilityIN STOCK

POWER
COLOR TEMPERATURE
DIFFUSER
HQI-T 250W/D PRO E40 12X1 
HQI-T 250W/N/SI/ CLEAR E40 12X1 
HQI-T 400W/N E40 12X1  

Electrical data

Nominal wattage 250 W / 400 W
Rated wattage 250 W / 400 W
Lamp current 3.0 A
PFC capacitor at 50 Hz
32 µF 
Nominal voltage 98 V
Ignition voltage
4.0 / 5.0 kVp 

Photometrical data

Rated lamp efficacy (standard condition) 77 lm/W
Rated luminous flux 19100 lm
Color rendering index Ra 87
Color temperature 5500 K
Light color 855
Rated LLMF at 2,000 h 0.92
Rated LLMF at 4,000 h 0.90
Rated LLMF at 6,000 h 0.87
Rated LLMF at 8,000 h 0.85
Rated LLMF at 12,000 h 0.81
UV protection Yes

Dimensions & weight

Diameter 46.0 mm
Length 226.0 mm
Light center length (LCL) 150.0 mm
Product weight 156.00 g

Temperatures & operating conditions

Maximum permitted outer bulb temperature 500 °C
Maximum permitted base edge temperature 250 °C

Lifespan

Rated lamp survival factor at 2,000 h 0.96
Rated lamp survival factor at 4,000 h 0.94
Rated lamp survival factor at 6,000 h 0.93
Rated lamp survival factor at 8,000 h 0.88
Rated lamp survival factor at 12,000 h 0.81
Lifespan B50 16000 h

Additional product data

Base (standard designation) E40
Design / version Clear
Mercury content 18.0 mg

Capabilities

Dimmable No
Burning position
Any 
Enclosed luminaire required Yes

Certificates & standards

Energy efficiency class A
Energy consumption 275 kWh/1000h

Country-specific categorizations

ILCOS MT/UB-250/952-H/E/SL-E40-46/226

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