Osram Sodium vapour lamp

High-pressure sodium vapour lamp NAV-T 50W Super 4Y Manufacturer :Osram Lamp Designation :High-pressure sodium vapour lamp Type :NAV-T 50W Super 4Y E27 Type :NAV-T 50W Super 4Y Energy efficiency class of the light source according to EU Regulation 2019/2015 :G Energy efficiency class spectrum :A to G Base :E27 Luminous flux :4200 lm Lamp wattage :50 W Lamp shape :Tube, single-ended Colour rendering index CRI :20-39 Colour temperature :2000 K Lamp luminous efficacy :84 lm/W External ignitor required :yes External ballast required :yes Mercury-free :no Total length :155 mm Diameter :36 mm Plant exposure :no Version :clear Replacement for mercury vapour lamp :no Energy efficiency class :G Weighted energy consumption in 1.000 hours :56 kWh Average rated life :28000 h Lamp designation :other Osram lamp High-pressure sodium vapour lamp :no NAV-T 50W Super 4Y: Further details High-pressure sodium vapour lamps for open and closed luminaires.