
Product datasheet
G15T8/OF 25/CS 1/SKU
Product features and benefits
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Effective and environment-friendly disinfection without
chemicals
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High UV-C radiance at 254 nm
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Low mercury content
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Long lifetime due to special coating
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Ozone-free
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Areas of application
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Air
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Water Purification
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Surface Sterilization
July 26, 2022, 15:49:33 © 2022, OSRAM GmbH. All rights reserved.
HNS 15 W G13 Page 1 of 4

Product datasheet
Technical data
General product information
Product Number 21259
Product Name G15T8OF 25/CS 1/SKU
Ordering Abbreviation G15T8/OF 25/CS 1/SKU
Brand Name OSRAM
Family Brand Name Germicidal
General Description Linear germicidal Ultra-Violet (UV lamp) with G13
base. Primary emission253.7nm. Ozone free.
Application Air and water purification, surface disinfection
Electrical data
Nominal Wattage 15 W
Nominal Voltage 55 V
Current (A) 0.33 A
Light technical data
Average Rated Life 8000 h
Physical attributes
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Base G13
Bulb Shape T26
Maximum Overall Length (mm) 451.5 mm
Length l (mm) 437 mm
Diameter d (mm) 26 mm
Distance a (mm) 367 mm
Additional product data
Operating Position Any
Safety advice
To prevent possible serious injury, eyes and skin should not be exposed to direct or reflected ultraviolet light emitted by this
lamp. This lamp is in Risk Group 3 per ANSI/IESNARP-27.3-96. Adequate protection should be provided by clothing, gloves,
opaque materials, and ordinary window glass. Although this lamp will operate in standard fluorescent fixtures, it should not be
used for general lighting applications.
Packaging Information
July 26, 2022, 15:49:33 © 2022, OSRAM GmbH. All rights reserved.
HNS 15 W G13 Page 2 of 4

Product datasheet
Product number EAN/UPC Packaging Quantity Outside dimensions l x w x h Gross weight
21259 4008321398826 Sleeve (SKU) 1 17.8 in x 1.1 in x 1.1 in 0.2 lb
21259 4008321398833 Shipping box (Case) 20 18.5 in x 6 in x 5.2 in 3.9 lb
21259 4008321770271 Sleeve (SKU) 1 17.8 in x 1.1 in x 1.1 in 0.2 lb
21259 4052899103443 Shipping box (Case) 25 18.7 in x 6.1 in x 6.2 in 4.9 lb
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
OSRAM does not accept liability for errors, changes and omissions.
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July 26, 2022, 15:49:33 © 2022, OSRAM GmbH. All rights reserved.
HNS 15 W G13 Page 3 of 4

Product datasheet
HNS 15 W G13
PURITEC HNS Linear Lamps |
Product name Lamp group
HNS 15 W G13 QT-ECO 1x18-24/220-240 S
QTP-OPTIMAL 1x18-40
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July 26, 2022, 15:49:33 © 2022, OSRAM GmbH. All rights reserved.
HNS 15 W G13 Page 4 of 4