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Product description Rated wattage Base (standard designation) Lamp current Nominal wattage Nominal voltage
NAV-E 50 W/E E27 50.00W E27 0.77A 50.00W 85V
NAV-E 70 W/E E27 70.00W E27 0.98A 70.00W 90V

NAV-E 50 W/E E27

Product benefits
  • High luminous efficacy

Product details

Electrical data

Rated wattage 50.00 W
Lamp current 0.77 A
Nominal wattage 50.00 W
Nominal voltage 85 V
Ignition voltage
1.8 / 5.0 kVp

Photometrical data

Rated lamp efficacy (standard condition) 72 lm/W
Rated luminous flux 3600 lm
Color temperature 2000 K
Rated LLMF at 2,000 h 0.91
Rated LLMF at 4,000 h 0.89
Rated LLMF at 6,000 h 0.84
Rated LLMF at 8,000 h 0.83
Rated LLMF at 12,000 h 0.82
Rated LLMF at 16,000 h 0.81
Rated LLMF at 20,000 h 0.80
Luminous flux 3600 lm
Color rendering index Ra ≤25

Dimensions & weight

Diameter 71.0 mm
Length 156.0 mm
Product weight 52.00 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 0.98
Rated lamp survival factor at 6,000 h 0.97
Rated lamp survival factor at 8,000 h 0.96
Rated lamp survival factor at 12,000 h 0.91
Rated lamp survival factor at 16,000 h 0.85
Rated lamp survival factor at 20,000 h 0.75
Lifespan B50 28000 h
Lifespan B10 13000 h
Lifespan B5 9000 h
Operation mode LLMF/LSF 50 Hz

Additional product data

Base (standard designation) E27
Product remark ErP compliant according to EU Regulation 245/2009
Design / version Coated
Mercury content
18.7 mg


Burning position Any
Enclosed luminaire required No

Certificates & standards

Energy efficiency class A
Energy consumption 55 kWh/1000h

Country-specific categorizations

ILCOS SE-50-H/E/SL-E27-71/156
Product code Packaging unit
Piece / unit
Dimensions in h x w x l Gross weight Volume
4050300015750 RWL
75mm x 75mm x 165mm 80.00g 0.93dm³
4050300334424 VS
360mm x 356mm x 288mm 1967.00g 36.91dm³
EAN METEL code SEG number STK number ELDAS number
4050300015750 OSRNAVE50E 8331682 4835552 948600090
Product benefits
  • High luminous efficacy
Areas of application
  • Streets
  • Outdoor lighting
  • Industrial installations
  • Suitable for use in open and enclosed luminaires
  • Outdoor applications only in suitable luminaires
Product features
  • Service lifetime: 3 years (at approx. 11 h/day)
  • Average lifetime: up to 24,000 h