SON 50W/ 220 E27 PHILIPS

SON PRO ( -T) ( -H) High-pressure sodium vapour lamps with a sintered aluminium oxide discharge tube enclosed in an evacuated clear soda-Iime or hard-glass outer bulb, equipped with a standard screw base. The discharge tube is filled with a sodium mercury amalgam and xenon as a starting gas. SON PRO lamps have a white coated ovoid and SON-T PRO lamps a clear tubular outer bulb. The lamps employ a ballast and ignitor except for the SON PRO 50 W/ 70 W I ( clear) E27 lamps which are equipped with an internal ignitor. SON PRO With a luminous efficacy up to 120 Im/ W, SON PRO lamps are cost efficient and best suited on high ways and in large urban and industrial areas, which need continous lighting for extended periods of time. SON-H PRO: HPL retrofit SON-H PRO lamps have been specificalIy created to be directly interchangeable with mercury vapour lamps without any change of gear. SON-H PRO offers an immediate improvement by using less energy and producing more Iight. Applications - Public and urban areas. - Decoratve outdoor floodlighting. - Industrial, shop and commercial lighting. - Indoor and outdoor sports facilities. SON Comfort PRO SON Comfort PRO is the balance between colour and efficacy requirements. With it' s colour temperature of 2200 K and Ra > 60 it creates a friendly ambience in residential, industrial and retail areas, but still has an efficacy up to 95 Im/ W.