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The LED Authority

Philips Day Brite Dimmable 37W 4' Linear LED Wraparound, 4000K

SKU: OWL440L840-UNV-DIM | Ordering Code: OWL440L840-UNV-DIM  | UPC: 781370049003

$144.99 per Fixture
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Product Highlights

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

Philips Day-Brite 4' dimmable LED linear wraparound is the ideal surface mount general illumination luminaire for light commercial and residential applications. Replaces a 64 watt fluorescent fixture.

  • Tapered shape provides appearance of reduced depth
  • Durable 100% frost acrylic lens shields LEDs from direct view
  • Ceiling or suspended mounting
  • Snap in LED pan and driver support is tool free for ease of installation
  • Continuous row mountable
  • 0-10v dimming included; 100/40 step dimming option available
  • Higher lumen package, 4000K, integral emergency battery pack and field installed occupancy sensor options available
  • Operating temperature of -4°F to 77°F
  • Enclosed lens minimizes penetration of dust, insects and other debris into the lamp compartment
  • Fully enclosed wiring and LED diodes
  • Housing and end plates are multi-stage phosphate treated for maximum corrosion resistance and finish coat is high reflectance baked white enamel
  • Pattern 12 prismatic acrylic diffuser is specially designed to provide peak performance while minimizing pixilated glare
  • LED boards and drivers are RoHS compliant
  • Heavy gauge cold rolled steel housing, end plates and LED pan
Full Specs


Philips Lighting

Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
Energy Used
37 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.


Heavy gauge cold rolled steel

Bulb Type Supplied

Type of bulb supplied with the fixture
Bulb Type Supplied

Mounting Position

Ceiling or suspended


5 year limited

Damp Location

Suitable for an exterior or interior location that is subject to condensation of moisture in, on or adjacent to electrical equipment
Damp Location

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.
Customers Also Viewed
Customer Reviews
Q & A
I would like to install a dimming switch for the Philips Day-Brite 37 Watt 4' LED Linear Wraparound fixture. Which one should I buy? Thanks.


It's compatible with most 0-10V dimmers, such as Lutron # DVSTV-WH, which we sell.

How do I order the higher lumen, 3500K version of this?


Please contact one of our certified Lighting Specialists at 888-455-2800 for further assistance with that products specs and pricing.