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Overview HQL

Product description Base (standard designation) Rated wattage Lamp current Nominal wattage Nominal voltage
HQL 50 W E27 E27 50.00W 0.61A 50.00W 95V
HQL 400 W E40 E40 400.00W 3.25A 400.00W 135V

Product details

Electrical data

Rated wattage 50.00 W
Lamp current 0.61 A
Nominal wattage 50.00 W
Nominal voltage 95 V
Ignition voltage 0.198 kVp

Photometrical data

Rated lamp efficacy (standard condition) 36 lm/W
Rated luminous flux 1800 lm
Color temperature 4200 K
Rated LLMF at 2,000 h 0.93
Rated LLMF at 4,000 h 0.90
Rated LLMF at 6,000 h 0.88
Rated LLMF at 8,000 h 0.86
Rated LLMF at 12,000 h 0.80
Rated LLMF at 16,000 h 0.78
Rated LLMF at 20,000 h 0.75
Luminous flux 1800 lm
Color rendering index Ra 50

Dimensions & weight

Diameter 56.0 mm
Length 130.0 mm
Product weight 40.00 g

Temperatures & operating conditions

Maximum permitted outer bulb temperature 310 °C
Maximum permitted base edge temperature 210 °C


Rated lamp survival factor at 2,000 h 0.99
Rated lamp survival factor at 4,000 h 0.97
Rated lamp survival factor at 6,000 h 0.95
Rated lamp survival factor at 8,000 h 0.90
Rated lamp survival factor at 12,000 h 0.75
Rated lamp survival factor at 16,000 h 0.68
Rated lamp survival factor at 20,000 h 0.60
Lifespan B50 24000 h
Lifespan B10 8000 h
Lifespan B5 6000 h
Operation mode LLMF/LSF 50 Hz

Additional product data

Base (standard designation) E27
Product remark As of April 2015 not compliant with ErP directive 245/2009
Design / version Coated
Mercury content 12.3 mg


Dimmable No
Burning position Any
Enclosed luminaire required No

Certificates & standards

Energy efficiency class B
Energy consumption 55 kWh/1000h

Country-specific categorizations

ILCOS QE/R-50-H/E/S-E27-56/130
Product code Packaging unit
Piece / unit
Dimensions in h x w x l Gross weight Volume
4050300015040 RWL
140mm x 60mm x 60mm 48.80g 0.50dm³
4050300213798 VS
356mm x 296mm x 302mm 2438.33g 31.82dm³
EAN METEL code SEG number STK number
4050300015040 OSRHQL50 8332674 4834402
Areas of application
  • Factories and workshops
  • Industrial installations
  • Streets
  • Car parks, courtyards
  • Pedestrian zones, public squares
  • Parks and gardens
  • Suitable for use in open and enclosed luminaires
  • Outdoor applications only in suitable luminaires