Osram VIALOX NAV-E 250W 4Y E40 sodium vapor bulb

Product benefits
_ Long lifetime
_ Very high luminous efficacy
_ Very good luminous flux maintenance throughout the life of the lamp
_ Energy savings of up to 50 % when replacing mercury vapor lamps (HQL)
_ Optimum energy efficiency on POWERTRONIC PTo 3DIM ECGs
Product features
_ Lamp survival factor: 95 % after 16,000 h burning time
_ Average lifetime: up to 32,000 h
_ Lamp maintenance factor: 80 % after 16,000 h burning time (according to DIN 13201)
_ ErP compliant according to EU Regulation 245/2009
_ Service lifetime: 4 years (at approx. 11 h/day)
_ Dimmable on conventional control gears and electronic control gears

NAV-E 250W SUPER 4Y VIALOX NAV-E (SON-E) 4Y High-pressure sodium vapor lamp for open and enclosed luminaires