OSRAM E40 400W Vialox NAV-T Super 4Y sodium vapour bulb

E40 high-pressure sodium lamp Vialox NAV-T from OSRAM This lamp has enormous power and is energy-saving by its standards. Furthermore, it shines with a very long life of 32,000 hours and an extra warm white light color (2,000 K). The high-pressure sodium lamp can be dimmed with conventional or electronic ballasts and has a useful life of up to 4 years - based on 11 hours of burning time per day. - Optimum energy efficiency when operated on POWERTRONIC PTo 3DIM ECGs - outdoor use only possible in suitable luminaires - Application areas: Street lighting, parking lots, parks, bridges, industrial plants, etc.