Fluorescent lamps with CONSTANT technology boast a consistently high luminous flux over a wide temperature range.
Nominal wattage 39 W Rated lamp efficacy (HF data 25 °C) 89 lm/W Rated wattage 38 W Energy consumption 42 kWh/1000 h Color rendering index Ra≥80 Rated luminous flux 3400 lm Luminous flux at 25 °C 3400 lm Luminous flux at 35 °C 3500 lm Light color 840 Color temperature 4000 K Nominal luminous flux 3400 lm Light color as per EN 12464-1 LUMILUX Cool White Rated LLMF at 2000 h 0.95 Tube diameter 16 mm Length 849 mm Length with base excl. base pins/connection 849 mm Diameter 16 mm Maximum diameter 16 mm Lamp mercury content 2.6 mg Rated ambient temp.w.max.luminous flux 35 °C Service life 19000 h Lifespan 24000 h Rated lamp survival factor at 2000 h 0.99 Operation mode LLMF/LSF HF Rated lamp life time 24000 h Nominal lamp life time 24000 h Base (standard designation) G5 Appropriate disposal acc. to WEEE Yes Suitable for ECG operation only Dimmable Yes Suitable for indoor Yes Energy efficiency class A+
Benefits • Excellent luminous flux at high and low ambient temperatures • Stable and suitable for outdoor lighting or fixtures with little thermal insulation • Compatible with and easily exchangeable with conventional T5 lamps • High luminous efficacy
Applications • Industry • Street lighting • Ideal for extreme temperature requirements
Features • Luminous flux: > 90% at ambient temperatures between +5…70 °C (for 49 W: +20…80 °C) • Very good lumen maintenance: 90% throughout the service lifetime of the lamp • Long average lifetime: up to 24000 h (with QUICKTRONIC ECG) • Good color rendering group: 1B (Ra: 80…89) • Dimmable