024387 | Manufacturer: Osram | EAN: 4050300024387 | MPN: NAV-E-250-4Y
NAV 250W super 4Y E40 sodium lamps performance
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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