NAV 250W super 4Y E40 sodium lamps

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

Nominal voltage 100 V
Nominal wattage 250 W
Rated wattage 250 W
Lamp current 2.95 A
Ignition voltage 3.3 / 5 kVp
Energy consumption 281 kWh/1000 h
Nominal luminous flux 33200 lm
Rated luminous flux 33200 lm
Color temperature 2000 K
Color rendering index Ra < = 25
Rated LLMF at 2000 h 0.98
Diameter 47 mm
Length 257 mm
Light center length (LCL) 158 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 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+

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

General safety informations