Product datasheet NAV-T 50 W E27 VIALOX NAV-T | High-pressure sodium vapor lamps for open and enclosed luminaires Areas of application _ Streets _ Outdoor lighting _ Industrial installations _ Suitable for use in open and enclosed luminaires _ Outdoor applications only in suitable luminaires __ Product benefits _ High luminous efficacy Product features _ Service lifetime: 3 years (at approx. 11 h/day) _ Average lifetime: up to 20,000 h June 3, 2016, 18:55:42 NAV-T 50 W E27 © 2016, OSRAM GmbH. All rights reserved. Page 1 of 4 Product datasheet Technical data Electrical data Nominal wattage 50.00 W Rated wattage 50.00 W Lamp current 0.77 A Nominal voltage 85.0 V Ignition voltage 1.8 / 5.0 kVp 1) Rated lamp efficacy (standard condition) 76 lm/W 1) Minimum / Maximum Photometrical data __ Rated luminous flux 3800 lm Color rendering index Ra ≤25 Color temperature 2000 K Rated LLMF at 2,000 h 0.91 Rated LLMF at 4,000 h 0.89 Rated LLMF at 6,000 h 0.84 Rated LLMF at 8,000 h 0.83 Rated LLMF at 12,000 h 0.82 Rated LLMF at 16,000 h 0.81 Rated LLMF at 20,000 h 0.80 Dimensions & weight Diameter 38.0 mm Length 156.0 mm Light center length (LCL) 104.0 mm Product weight 53.00 g June 3, 2016, 18:55:42 NAV-T 50 W E27 © 2016, OSRAM GmbH. All rights reserved. Page 2 of 4 Product datasheet Temperatures & operating conditions Maximum permitted outer bulb temperature 310 °C Maximum permitted base edge temperature 210 °C Lifespan Rated lamp survival factor at 2,000 h 0.99 Rated lamp survival factor at 4,000 h 0.98 Rated lamp survival factor at 6,000 h 0.97 Rated lamp survival factor at 8,000 h 0.96 Rated lamp survival factor at 12,000 h 0.91 Rated lamp survival factor at 16,000 h 0.85 Rated lamp survival factor at 20,000 h 0.75 Lifespan B50 24000 h Lifespan B10 13000 h Lifespan B5 9000 h Operation mode LLMF/LSF 50 Hz Additional product data __ Base (standard designation) E27 Product remark Phased out in the EU as non ErP compliant according to EU directive 245/2009 Design / version Clear Mercury content 19.0 mg 1) 1) Maximum Capabilities Dimmable Yes Burning position Any Enclosed luminaire required No 1) 1) In combination with POWERTRONIC PTo Certificates & standards Energy efficiency class A Energy consumption 55 kWh/1000h Country specific categorizations ILCOS ST-50-H/E/SL-E27-39/156 Logistical Data June 3, 2016, 18:55:42 NAV-T 50 W E27 © 2016, OSRAM GmbH. All rights reserved. Page 3 of 4 Product datasheet Product code Product description Packaging unit (Pieces/Unit) Dimensions (length x width x height) Volume Gross weight 4008321337986 NAV-T 50 W E27 Shipping carton box 12 225 mm x 221 mm x 187 mm 9.30 dm³ 1025.00 g The mentioned product code describes the smallest quantity unit which can be ordered. One shipping unit can contain one or more single products. When placing an order, for the quantity please enter single or multiples of a shipping unit. Disclaimer Subject to change without notice. Errors and omission excepted. Always make sure to use the most recent release. __ June 3, 2016, 18:55:42 NAV-T 50 W E27 © 2016, OSRAM GmbH. All rights reserved. Page 4 of 4