Osram Vialox NAV-T 400W E40 SUPER 4Y
Product features
These lamps work in combination with a ballast, 
 this means that the different powers cannot be exchanged. 
Nominal voltage 87V 
Nominal wattage 70W 
Rated wattage 71W 
Lamp current 0.97 A. 
Ignition voltage 1.8 / 5.0 kVp 
Energy consumption 79 kWh / 1000h
Nominal luminous flux 6600 lm 
Rated luminous flux 6600 lm 
Color temperature 2000 K. 
Color rendering index Ra andlt; = 20 
Rated LLMF at 2,000 h 0.92
Diameter 39.0 mm 
Length 156.0 mm 
Light center length (LCL) 104.0 mm
Lamp mercury content 19.0 mg
Maximum permitted outer bulb temperature 310 ° C 
Maximum permitted base edge temperature 210 ° C
Lifespan B50 28000 h 
Rated lamp survival factor at 2,000 h 0.99 
Operation mode LLMF / LSF 50 Hz
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