Sodium lamps

Osram NAV-T 50W super 4Y E27

024325 | Manufacturer: Osram | EAN: 4050300024325 | MPN: NAV-T-50-4Y

NAV SUPER 4Y with outstanding luminous efficiency and extremely high reliability.


10,08 €tax excl.

Price for 1 piece, excluding shipping costs!
Condition: New product
Factory Box - pieces (pcs): 12

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More info

More info

Nominal voltage 86V
Nominal wattage 50W
Rated wattage 52W
Lamp current 0.75A
Ignition voltage 1.8 / 5.0 kVp
Energy consumption 58 kWh/1000h
Nominal luminous flux 4400 lm
Rated luminous flux 4200 lm
Color temperature 2000K
Color rendering index Ra < =20
Rated LLMF at 2000h 0.92
Diameter 39 mm
Length 156 mm
Light center length (LCL) 104 mm
Lamp mercury content 19 mg
Maximum permitted outer bulb temperature 310 °C
Maximum permitted base edge temperature 210 °C
Lifespan B50 28000h
Rated lamp survival factor at 2000h 0.99
Operation mode LLMF/LSF 50Hz
Base (standard designation) E27
Design / version Clear
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

Product 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
Base/SockelE27
Wattage - Watt (W)50
Luminous flux - Lumen (lm)4400
Luminous Efficacy Lamp - (lm / W)88
Light color temperature - Kelvin (K)2000
Color rendering index - CRI20
Energy consumption - (kWh / 1000h)50
Lifetime - hours (h)28000
Factory Box - pieces (pcs)12

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