Product Overview
Sylvania 21528 FO28/830/XP/XL/SS/ECO3 28W 48" T8 3000K Warm White OCTRON 800 XP XL SUPERSAVER Fluorescent Lamp
The Sylvania 21528 (FO28/830/XP/XL/SS/ECO3) is a 28W 48" T8 fluorescent lamp on a Medium Bi-Pin base, part of the OCTRON 800 XP XL SUPERSAVER series. Rated 3000K warm white at 85 CRI, it delivers 2,600 initial lumens (2,495 mean @ 25°C/77°F) and is designed to operate on dedicated magnetic rapid start, electronic instant start, or programmed rapid start ballasts.
Wattage 28W 48" T8 | Color Temp 3000K Warm White | Lumens 2,600 Initial | CRI 85 OCTRON 800 XP XL SUPERSAVER | Rated Life 36,000 Hrs (3hr/start) |
Technical Specifications
| Item Number | 21528 |
| Ordering Abbreviation | FO28/830/XP/XL/SS/ECO3 |
| Series | OCTRON 800 XP XL SUPERSAVER |
| Bulb Shape | T8 |
| Base | Medium Bi-Pin |
| Wattage | 28W |
| Nominal Length | 48" |
| MOL (Maximum Overall Length) | 47.78" |
| Color Temperature | 3000K (Warm White) |
| CRI | 85 |
| Initial Lumens | 2,600 lm |
| Mean Lumens @ 25°C/77°F | 2,495 lm |
| Average Rated Life | IS 3hr/start: 36,000 hrs; IS 12hr/start: 52,000 hrs; PRS 3hr/start: 60,000 hrs; PRS 12hr/start: 62,000 hrs |
| Standard Package Quantity | 30 per case |
| Mercury Content | Contains mercury – not for sale or shipment in CA, CO, HI, ME, MN, OR, RI, VT; recycle per lamprecycle.org |
Product Overview
This Sylvania OCTRON 800 XP XL SUPERSAVER lamp is a T8 fluorescent designed for dedicated magnetic rapid start, electronic instant start, or programmed rapid start ballasts. For ballast/lamp system compatibility details, refer to the Systems Performance Guide in the SYLVANIA QUICKTRONIC Ballast Technology and Specification Guide.
Average rated life: IS 3hr/start: 36,000 hrs; IS 12hr/start: 52,000 hrs; PRS 3hr/start: 60,000 hrs; PRS 12hr/start: 62,000 hrs. It delivers 2,600 initial lumens, dropping to 2,495 mean lumens at 25°C/77°F ambient. This lamp uses a Medium Bi-Pin base and measures 47.78" maximum overall length.
Compatible Applications
- Fixtures specified for a 28W 48" T8 lamp with a Medium Bi-Pin base
- Fixtures running magnetic rapid-start, electronic instant-start, or programmed rapid-start T8 ballasts
- Direct replacement for the Sylvania 21528 or its FO28/830/XP/XL/SS/ECO3 ordering abbreviation
Before Ordering – Verify
- Confirm your ballast type is compatible – magnetic rapid start, electronic instant start, or programmed rapid start
- For instant-start operation, confirm your lampholders are shunted – non-shunted sockets require the two bi-pin contacts to be connected to each other
- Confirm 3000K color temperature matches the rest of your installation
- Confirm lamp length (48") and base type match your fixture
Safety and Handling Guidelines
- Always disconnect power before servicing or installing – wire per the ballast schematics and National Electric Code
- Handle by the base/end caps; avoid flexing or striking the glass tube
- Contains mercury – if broken, ventilate the area and follow EPA cleanup guidance
- Dispose of / recycle in accordance with state and local mercury-lamp regulations
Compliance
- Contains mercury – not for sale or shipment in CA, CO, HI, ME, MN, OR, RI, VT
- Recycle per lamprecycle.org
Ordering Information
- Item Number: 21528
- Ordering Abbreviation: FO28/830/XP/XL/SS/ECO3
- Standard Package Quantity: 30 per case
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
