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The LED Authority

TCP 45 Watt, Dimmable 2x4 ft Designer Series LED Recessed Troffer Fixture, 3500K


$126.99 per Fixture
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Brightness (lumens)
4450 7050

Product Highlights

  • Estimated life of 45.7 years based on 3 hours use per day

TCP's dimmable LED lay-in troffers are high efficiency alternatives to T8 and T12 linear fluorescent troffers that deliver long life, consistent color and superior lumen maintenance. Constructed of rugged cold-rolled steel, post painted with a highly diffuse white finish. End plates are designed to mount in a variety of grid ceiling types. The one piece acrylic diffuser is impact resistant and conceals the LEDs. The smooth white reflector curves into the diffuser, creating volumetric illumination by softening and distributing the light evenly in a wide pattern. The curved design also softens the contrast between the luminaire and ceiling.

Equivalent to a 2-lamp 28W T5 or 32W T8 

Applications - offices, schools, retail locations and hospitals.

  • Fits in standard 1" and 9/16" T-bar grids
  • Very low heat generation
  • Excellent color consistency and superior lumen maintenance
  • Easy installation 
  • 0-10V dimming
Full Specs



Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
Energy Used
45 Watts

Fluorescent Equivalent

The total wattage of fluorescent lamps in a fixture that this fixture replaces.
Fluorescent Equivalent

Line Voltage



Color Rendering Index is an international system used to rate a lamp's ability to render object colors. The higher the CRI (based upon a 0-100 scale) the richer and more accurately colors generally appear. CRI differences among lamps are not usually visible to the eye unless the difference is more than 3-5 points.

Color Temperature (Kelvin)

An expression of the hue of the light emitted, measured in degrees Kelvin. Usually expressed by a four digit number followed by (k), such as 2700k. Higher temperatures indicate whiter, "cooler" colors, while lower temperatures indicate yellower, "warmer" colors. Some common Kelvin temperature benchmarks are 2700k (warm white), 3500k (neutral white), 4100k (cool white), 5000k (bright white), and 6500k (daylight).
Color Temperature (Kelvin)

Brightness (lumens)

A rating of the initial light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.
Brightness (lumens)

Average Rated Life (hr)

A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
Average Rated Life (hr)

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
Length (in)

Width (in)

For fixtures and ballasts, width is the measurement of the total horizontal distance from left to right of the product in inches.
Width (in)

Height (in)

For ballasts and fixtures, height is the measurement of total vertical distance from the top of the product to the bottom expressed in inches.
Height (in)


The decorative finish of the item.


Cold-rolled steel


Fits standard 1" and 9/16" T-bar grids

Bulb Type Supplied

Type of bulb supplied with the fixture
Bulb Type Supplied


5 years limited

DLC Listed

Approved by the DesignLights Consortium, a collaboration of utility companies and regional energy efficiency organizations. Approved products meet the consortium's standards for ensuring high-quality, energy-efficient lighting design.
DLC Listed

DLC Code

Code identifying the product in DLC (DesignLights Consortium) listings.
DLC Code


Indicates whether a bulb can be dimmed in conjunction with a suitable dimmer control.
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