4 Feet/48 Inch LED Tube – 19 Watts – 2090 Lumens – Fluorescent Bulb F40T12 Replacement – Ballast Required – Plug & play LED Tube – Suitable For Reach-in Refrigerator & Freezer Applications


4 Feet 48 Inch T12 LED lamp directly relamp and replace fluorescent bulb F40T12 without rewiring or modification

  • Directly relamps and replaces the 40 watt 48″ fluorescent bulb F40T12 without rewiring or modification
  • Energy saving of 45% from 40 watts to 22 watts with 2420 lumens output
  • Note: Not compatible with the following magnetic ballasts: Magnetek 345-L-TC-P & 413-C-TC-P, Lumi-Kon HR-240-120-CP, Universal 202-B & 720-LR-TC-P, Advance HB-234-TP, BenchLite RL-240-1-TP, Carroway 1011A, Pacific Ballast EN-234-TP
  • Relamp LED products works with magnetic and electronic ballasts only!
  • Ballast Required! Not bypass compatible/ line voltage
SKU: RL-F40T12-Freezer Category:


4 FT T8 LED lamp directly relamp fluorescent bulb F40T12 without rewiring or modification. It’s a Plug and play product from our “Relamp Series” when switching to LED lighting. T8 LED bulb works with traditional magnetic ballasts and modern electronic ballasts in the market, so you can plug it in and quickly enjoy bright lighting. It’s fully compatible with Instant Start, Programmed Start, Rapid Start ballasts and magnetic ballasts.

Installing the lamp, as easy as changing a bulb:

  1. Turn power OFF before installation
  2. Remove the existing lamp
  3. Install LED T8/T12 Tube
  4. Switch on power

General Specifications:

  • Energy saving of 45% from 40 watts to 22 watts with 2420 lumens output
  • All plastic diffuser and construction for better light distribution, less spot reflections
  • Long life span of > 50,000+ hours
  • High lumen output > 110 lumens/watt
  • 6000 Kelvin daylight, light
  • Uses 22 watts = 40 watts equivalent
  • 4 bulbs per package
  • 2420 lumens
  • 48-inch T8 (1-inch diameter)
  • Medium bi-pin base type (G13), 13 mm pin spacing
  • Technical description: F40T12
  • Perfect for big box retail, mom-and-pop stores
  • Made for reach-in Refrigerator, Freezer application
  • Made for T12 applications, is not compatible with T8 Tube applications e.g. F40T8
  • Works with electronic and magnetic ballast only!
  • Ballast Required! Not Bypass compatible/ line voltage

Not compatible with some legacy preheat magnetic ballasts:

  • Magnetek 345-L-TC-P & 413-C-TC-P
  • Lumi-Kon HR-240-120-CP
  • Universal 202-B & 720-LR-TC-P
  • Advance HB-234-TP
  • BenchLite RL-240-1-TP
  • Carroway 1011A
  • Pacific Ballast EN-234-TP

Equivalent replacement for:

  • Ge, General Electric 13793 – F40CW, F40CWX
  • Ge, General Electric 13801 – F40WW, F40WWX
  • Ge, General Electric – F40T12
  • Philips 27359-9 – F40T12/DX/ALTO
  • Philips 423889 – F40T12/CW Supreme/ALTO
  • Philips 423129 – F40T12/CW Supreme/PLUS/ALTO
  • SYLVANIA 24477 – F40T12/DX
  • SYLVANIA 24588 – F34CWX/SS
  • F40T12/CW
  • F40T12/WW
  • F40T12/D
  • F40T12/SW

Why Plug & play LED?

Simplicity for installer – The lamp snaps into the existing fixture without any wiring modifications, installation can be done by virtually anyone, as long as your existing ballast is compatible.

Safety – Whenever we can shorten the time someone has to spend dangling from a ladder, things are automatically safer.

No upfront cost – eliminate the need to hire a costly electrician to do modification.

Energy efficient – output on lamp is significantly improved with ballast for general consumption and commercial use.

Relamp LED products are designed and developed by New York LED Luminaries, Inc, Brooklyn, NY.

For shipping to Alaska and Hawaii, please contact seller for shipping rates.

Technical Details:

Brand NYLL Product Dimensions 48 x 1 x 1 inches
Item Model Number RL-F40T12 Assembled Height 1 inches
Bulb Shape Linear – T12 Assembled Length 47.75 inches
Base Type G13 Assembled Width 1 inches
Lumens 2420 Lm Technology Type LED
LPW 110 Lm/ W Specific Uses Indoor use only
Wattage 22 Watt Voltage Ballast Required
Life Hours 50,000 hrs Warranty 2 Years

Additional information


Daylight (6000K)


4 Pack, 25 Pack


Clear Cover, Frost Cover