024387 | Manufacturer: Osram | EAN: 4050300024387 | MPN: NAV-E-250-4Y

NAV 250W super 4Y E40 sodium lamps performance


27,98 € tax excl.


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Illuminate your outdoor spaces with the Sodium Lamp NAV-E 250W super 4Y E40. Enjoy up to 25% longer life, higher luminous efficiency, and reliable performance. Perfect for streets, tunnels, industrial installations, and more.
    More info

    More info

    Illuminate your space with the Sodium Lamp NAV-E 250W super 4Y E40. Enhance lighting experience this powerful sodium lamp.


    Nominal voltage 100 V
    Nominal wattage 250 W
    Rated wattage 255 W
    Lamp current 2.95 A
    Ignition voltage 3.3 / 5 kVp
    Rated lamp efficacy (standard condition) 124 lm/W
    Energy consumption 281 kWh/1000 h
    Nominal luminous flux 31100 lm
    Rated luminous flux 31600 lm
    Color temperature 2000 K
    Color rendering index Ra < = 25
    Rated LLMF at 2000 h 0.98
    Diameter 91 mm
    Length 226 mm
    Lamp mercury content 24 mg
    Maximum permitted outer bulb temperature 400 °C
    Maximum permitted base edge temperature 250 °C
    Lifespan B50 32000 h
    Rated lamp survival factor at 2000 h 0.99
    Operation mode LLMF/LSF 50 Hz

    Base (standard designation) E40
    Design / version Coated
    Footnote used only for product Important: Before replacing for NAV Standard lamps in existing installations, check that the igniters are suitable
    Dimmable Yes
    Burning position Any
    Enclosed luminaire required No
    Energy efficiency class A+

    Benefits
    • Dimmable on conventional control gears and electronic control gears
    • Optimum energy efficiency on POWERTRONIC PTo 3DIM ECGs
    • Up to 25% longer life than standard lamps
    • Greater reliability than standard lamps
    • Up to 20% higher luminous efficiency than standard lamps
    • Greater mast spacing possible than with standard lamps
    • Better luminous flux maintenance than standard lamps
    • Four year relamping cycle

    Areas of application
    • Streets
    • Tunnels, underpasses
    • Buildings, monuments, bridges
    • Industrial installations
    • Car parks, courtyards
    • Parks and gardens
    • Outdoor applications only in suitable luminaires

    It needs ballastyes
    Energy efficiency classA+
    Lamp holder, lamp socketE40
    Wattage - (W)250
    Luminous flux - (lm)31100
    Luminous efficacy - (lm / W)124
    Color temperature - (K)2000
    Color rendering - (CRI)25
    Energy consumption - (kWh / 1000h)250
    Lifetime - (h)32000
    Factory packed - (pieces)12

    General safety informations

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