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Fluorescent Lamp FLUORESCENT LAMP SELECTION GUIDE FEBRUARY 2015 Keystone presents the easiest solution for high performance, high efficiency lamps. With long life and exceptional reliability, Keystone energy efficient lamps provide the same high quality you have come to expect from Keystone. When installing Keystone lamps and ballasts together, you experience the industry’s best warranty program and a lighting system that is guaranteed to perform. FEATURES AND BENEFITS • High Color Rendering Index • Lumen Maintenance of Up to 94% • Eco-Friendly and TCLP Compliant • Energy Efficient • Long Life: Up to 36,000 Hours • Reduced Maintenance and Disposal Costs KEYSTONE FLUORESCENT SYSTEM WARRANTY Keystone Standard Lamp Warranty Period Keystone Fluorescent System Warranty Period 24 months 36 months (Lamp Portion) We proudly stand behind all of our products. By pairing a Keystone lamp with a Keystone ballast, customers are eligible for a 36-month Keystone Fluorescent System Warranty. The Keystone Fluorescent System Warranty extends the standard 24-month warranty included with our lamps by an additional 12 months. In the event that you need to utilize our warranty, we’ll work with you to make it easy and hassle-free. Visit www.keystonelamp.com for more details. LIGHTING COLOR GUIDE Warm Light Neutral Light Cool Light Warm White Color, Warm Tones Neutral to Bright White Color, Neutral or Cooler Tones Cool White Color, Cooler Daylight Tones 2600K 3500K 4100K 5000K 6500K ELECTRICAL SPECIFICATIONS T5 Linear Rated Average Life3 Nominal Base Nominal Case Color Temp. Initial Mean Lumen Wattage Type Length Catalog Number Quantity (Kelvin) CRI Lumens1 Lumens2 3-hr/Start 12-hr/Start Maintenance High Efficiency Linear T5 Lamps (Miniature Bi-Pin) 14W G5 24” KTL-F14T5-835-HE 25 3500K 85 1350 1265 24,000 hours 30,000 hours 94% 14W G5 24” KTL-F14T5-841-HE 25 4100K 85 1350 1265 24,000 hours 30,000 hours 94% 14W G5 24” KTL-F14T5-850-HE 25 5000K 85 1250 1170 24,000 hours 30,000 hours 94% 21W G5 36” KTL-F21T5-835-HE 25 3500K 85 2200 2060 24,000 hours 30,000 hours 94% 21W G5 36” KTL-F21T5-841-HE 25 4100K 85 2200 2060 24,000 hours 30,000 hours 94% 21W G5 36” KTL-F21T5-850-HE 25 5000K 85 2100 1970 24,000 hours 30,000 hours 94% 28W G5 48” KTL-F28T5-835-HE 25 3500K 85 2900 2725 24,000 hours 30,000 hours 94% 28W G5 48” KTL-F28T5-841-HE 25 4100K 85 2900 2725 24,000 hours 30,000 hours 94% 28W G5 48” KTL-F28T5-850-HE 25 5000K 85 2750 2580 24,000 hours 30,000 hours 94% High Output Linear T5 Lamps (Miniature Bi-Pin) 49W G5 48” KTL-F49T5-835-HO 25 3500K 85 4900 4600 24,000 hours 30,000 hours 94% 49W G5 48” KTL-F49T5-841-HO 25 4100K 85 4900 4600 24,000 hours 30,000 hours 94% 49W G5 48” KTL-F49T5-850-HO 25 5000K 85 4800 4500 24,000 hours 30,000 hours 94% 54W G5 48” KTL-F54T5-835-HO 25 3500K 85 5000 4700 24,000 hours 30,000 hours 94% 54W G5 48” KTL-F54T5-841-HO 25 4100K 85 5000 4700 24,000 hours 30,000 hours 94% 54W G5 48” KTL-F54T5-850-HO 25 5000K 85 4850 4560 24,000 hours 30,000 hours 94% 54W G5 48” KTL-F54T5-865-HO 25 6500K 85 4800 4515 24,000 hours 30,000 hours 94% 1 Approximate initial lumens. Lumen output based upon performance after 100 hours of operating life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 35ºC. 2 Approximate mean lumens. Lumen output based upon performance at 40% of the lamp’s rated average life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 35ºC. 3 When operated on a program start ballast. ELECTRICAL SPECIFICATIONS T8 Linear Rated Average Life3 Nominal Base Nominal Case Color Temp. Initial Mean Lumen Wattage Type Length Catalog Number Quantity (Kelvin) CRI Lumens1 Lumens2 3-hr/Start 12-hr/Start Maintenance High Performance Linear T8 Lamps (Medium Bi-Pin) 17W G13 24” KTL-F17T8-835-HP 25 3500K 85 1380 1300 30,000 hours 36,000 hours 94% N/A 17W G13 24” KTL-F17T8-841-HP 25 4100K 85 1380 1300 30,000 hours 36,000 hours 94% N/A 17W G13 24” KTL-F17T8-850-HP 25 5000K 85 1280 1205 30,000 hours 36,000 hours 94% N/A 25W G13 36” KTL-F25T8-835-HP 25 3500K 85 2275 2140 30,000 hours 36,000 hours 94% N/A 25W G13 36” KTL-F25T8-841-HP 25 4100K 85 2275 2140 30,000 hours 36,000 hours 94% N/A 25W G13 36” KTL-F25T8-850-HP 25 5000K 85 2175 2045 30,000 hours 36,000 hours 94% N/A 28W G13 48” KTL-F28T8ES-835-HP 25 3500K 85 2725 2560 30,000 hours 36,000 hours 94% Yes 28W G13 48” KTL-F28T8ES-841-HP 25 4100K 85 2725 2560 30,000 hours 36,000 hours 94% Yes 28W G13 48” KTL-F28T8ES-850-HP 25 5000K 85 2700 2530 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-835-HP 25 3500K 85 3100 2915 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-841-HP 25 4100K 85 3100 2915 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-850-HP 25 5000K 85 3000 2820 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-865-HP 25 6500K 85 2985 2810 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-835-XHP 25 3500K 85 3200 3010 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-841-XHP 25 4100K 85 3200 3010 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-850-XHP 25 5000K 85 3100 2915 30,000 hours 36,000 hours 94% Yes 32W G13 48” KTL-F32T8-835-XL 25 3500K 85 3100 2915 42,000 hours 48,000 hours 94% Yes 32W G13 48” KTL-F32T8-841-XL 25 4100K 85 3100 2915 42,000 hours 48,000 hours 94% Yes 32W G13 48” KTL-F32T8-850-XL 25 5000K 85 3000 2820 42,000 hours 48,000 hours 94% Yes 1 Approximate initial lumens. Lumen output based upon performance after 100 hours of operating life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 25ºC. 2 Approximate mean lumens. Lumen output based upon performance at 40% of the lamp’s rated average life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 25ºC. 3 When operated on a rapid/program start ballast. Rated average life when operated on an instant start ballast: 24,000 hours at 3-hour/start and 30,000 hours at 12-hour/start. T12 Linear Rated Average Life3 Nominal Base Nominal Case Color Temp. Initial Mean Lumen Wattage Type Length Catalog Number Quantity (Kelvin) CRI Lumens1 Lumens2 3-hr/Start 12-hr/Start Maintenance 2012 DOE Compliant Linear T12 Lamps (Medium Bi-Pin) 40W G13 48” KTL-F40T12-841-CWX 30 4100K 89 2500 2250 24,000 hours 30,000 hours 90% 1 Approximate initial lumens. Lumen output based upon performance after 100 hours of operating life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 25ºC. 2 Approximate mean lumens. Lumen output based upon performance at 40% of the lamp’s rated average life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 25ºC. 3 When operated on a rapid start ballast. T9 Circline Nominal Base Case Color Temp. Initial Mean Rated Average Life3 Lumen Wattage Type Diameter Catalog Number Quantity (Kelvin) CRI Lumens1 Lumens2 (3-hr/Start) Maintenance Circular T9 Lamps (4-Pin) 22 G10q 8" KTL-FC8T9-CW 12 4100 60 1120 920 10,000 82% 22 G10q 8" KTL-FC8T9-DL 12 6500 76 980 805 10,000 82% 32 G10q 12" KTL-FC12T9-CW 12 4100 60 1930 1582 10,000 82% 32 G10q 12" KTL-FC12T9-DL 12 6500 76 1675 1373 10,000 82% 40 G10q 16" KTL-FC16T9-CW 12 4100 60 2950 2420 10,000 82% 40 G10q 16" KTL-FC16T9-DL 12 6500 76 2450 2010 10,000 82% 1 Approximate initial lumens. Lumen output based upon performance after 100 hours of operating life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 25ºC. 2 Approximate mean lumens. Lumen output based upon performance at 40% of the lamp’s rated average life. Measurements obtained during operation using a reference ballast under standard laboratory conditions at 25ºC. 3 When operated on a rapid start ballast. PHYSICAL SPECIFICATIONS LINEAR LAMP DIMENSIONS A (Base to Base) B (Base to End of Opposite Pin) C (End of Pin to End of Pin) D (Bulb Diameter) Lamp Type Min. Max. Min. Max. Min. Max. Min. Max. D 48” Nominal T5 N/A 45.24” 45.42” 45.51” N/A 45.79” 0.61” 0.63” A 24” Nominal T8 N/A 23.57” 23.40” 23.50” 23.67” 23.78” 1.00” 1.04” B 36” Nominal T8 N/A 35.22” 35.40” 35.50” 35.67” 35.78” 1.00” 1.04” C 48” Nominal T8 N/A 47.22” 47.40” 47.50” 47.67” 47.78” 1.00” 1.04” 48” Nominal T12 N/A 47.22” 47.40” 47.50” 47.67” 47.78” 1.40” 1.59” D CIRCULAR LAMP DIMENSIONS A (Inner Diameter 1) B (Inner Diameter 2) C, D (Outer Diameter) E (Bulb Diameter) A Lamp Type Min.
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