Product Overview
Osram LUMILUX T8 L 15W/840 G13 Fluorescent Lamp – 4000K Cool White
The Osram L 15W/840 G13 is an OSRAM T8 linear fluorescent lamp for commercial, institutional, industrial, retail, display, and maintenance lighting applications. This format uses a G13 medium bi-pin base and the OSRAM LUMILUX T8 family is built around a 26 mm T8 tube diameter.
The official LUMILUX T8 data lists 950 lumens, 4000K, Cool White, CRI 80-89, G13 base, and 26 mm tube diameter for this lamp.
Wattage 15W T8 Lamp |
Base G13 Medium Bi-Pin |
Color /840 Cool White |
Lumens 950 Nominal |
Diameter 26 mm T8 |
Product Overview
OSRAM LUMILUX T8 lamps are designed for efficient fluorescent lighting with good lumen maintenance, reduced power consumption compared with basic T8 lamps, and good color rendering for commercial interiors. The LUMILUX T8 technical guide lists a G13 base, 26 mm tube diameter, and multiple color options from warm white to daylight and SKYWHITE.
This lamp is best selected by matching the lamp code, wattage, color code, base, and overall length to the lamp being replaced.
Technical Specifications
| Brand | OSRAM |
| Product Family | LUMILUX T8 Linear Fluorescent |
| Product / SKU | OFB15W/840 |
| Lamp Code | L 15W/840 |
| Wattage | 15W |
| Base Type | G13 Medium Bi-Pin |
| Tube Diameter | 26 mm |
| Overall Length | 451.6 mm |
| Nominal Length | 437.4 mm |
| Color Code | /840 |
| Light Color | Cool White |
| Color Temperature | 4000K |
| Color Rendering | 80-89 |
| Nominal Luminous Flux | 950 lm |
| Rated Life | 20,000 h on ECG / 15,000 h on CCG |
| Packaging Unit | 25 lamps per shipping unit when listed in the OSRAM logistics table |
| EAN 10 | 4050300446004 |
| EAN 40 | 4050300446011 |
Compatible Applications
- Office lighting and commercial interiors
- Retail, restaurant, and display lighting
- Schools, healthcare facilities, and institutional buildings
- Industrial and warehouse strip fixtures
- Facility maintenance and relamping projects
- Fixtures using G13 T8 fluorescent lamps and compatible fluorescent ballasts
Before Ordering Verify
- Wattage: Confirm the fixture and ballast are rated for 15W T8 fluorescent operation.
- Length: Match the overall length of 451.6 mm before replacing an existing lamp.
- Base: Confirm the fixture uses G13 medium bi-pin sockets.
- Color: Match /840 if replacing lamps in an existing space to avoid color mismatch.
- Ballast Compatibility: Verify the lamp is compatible with the installed fluorescent ballast or OSRAM QUICKTRONIC system.
Safety & Handling
- Turn Power Off: Disconnect power before removing or installing fluorescent lamps.
- Handle Carefully: T8 fluorescent tubes are fragile and should not be forced into sockets.
- Recycle Properly: Fluorescent lamps should be recycled or disposed of according to local regulations.
- Use Compatible Control Gear: Incorrect ballast operation can reduce lamp life or cause performance problems.
Wholesale & Project Support
ADL Supply supports contractors, facility managers, maintenance teams, and commercial buyers with T8 fluorescent replacement sourcing, project quoting, and bulk order support.
For volume pricing, availability, or help confirming the correct OSRAM replacement lamp, contact ADL Supply at 1-800-235-3489.
