VIALOX NAV-E/I High-pressure sodium vapor lamps with internal igniter.
Nominal wattage 50W Rated wattage 50W Lamp current 0.77000A Nominal voltage 85V Ignition voltage 0.198 kVp Rated lamp efficacy (standard condition) 72 lm/W Rated luminous flux 3600 lm Color rendering index Ra≤25 Color temperature 2000K Rated LLMF at 2000h 0.89 Diameter 71 mm Length 156 mm Maximum permitted outer bulb temperature 310 °C Maximum permitted base edge temperature 210 °C Lifespan B50 24000h Lifespan B10 12000h Lifespan B5 9000h Operation mode LLMF/LSF 50Hz Product remark Operate only with NAV control gear. No igniter required Base (standard designation) E27 Design / version Coated Lamp mercury content 19 mg Dimmable Yes Burning position Any Enclosed luminaire required No Energy efficiency class A Energy consumption 55 kWh/1000h
Benefits - High luminous efficacy
Areas of application - Streets - Outdoor lighting - Industrial installations - Suitable for use in open and enclosed luminaires - Outdoor applications only in suitable luminaires