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Internet # 307799663

Model # 50239161

Store SKU # 1004095961

Store SO SKU # 1003926471

4 ft. White Linear LED High Bay Warehouse Light 9000 Lumens 0 to 10 Volt Dimmable 120-277v 5000K Daylight

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  • Operates in unconditioned building down to -40°F to high 122°F
  • Suggested mounting height is 9ft. to 15ft. for suspension install
  • Ideal for garage, barn, outbuilding, loading dock, warehouse
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Product Details
Commercial Electric
This light has a brightness of 9000 lumens.
This light has a watt equivalence of 162 watts.
This light fixture has a width of 4.92 inches.
This light fixture has a depth of 5.11 inches.
This light fixture has a length of 48.58 inches.
There is 1 light included in the package.
Illustrations may vary from actual product.

About This Product

Commercial Electric 4ft. Industrial LED Low Bay Light is designed to replace outdated 250-Watt Metal Halide and HID lights with an energy-efficient LED fixture. Our low bay light works best with ceilings that are between 9-20 feet high to reduce glare and more focused illumination. This low bay is rated to operate reliably in harsh unconditioned applications down to -40°F. Ideal for outbuildings or sheds, barns, warehouse, loading dock, workshop, garage, retail stores, grocery stores, frozen storage, and restaurants.


  • Ideal mounting height of 9-15 feet - Suspension Mount - lower heights will reduce glare for increased illumination
  • Rated to operate in harsh conditions down to -40°F to 122°F
  • Replaces outdated 250-Watt Metal Halide and HID fixtures
  • 9000 Lumens of brightness using only 78-Watts energy
  • Dimmable - 0-10 Volt DIMMER SWITCH ONLY - Requires separate low-voltage wiring run - Suggested dimmers such as LUTRON: DVSTV-453PH-WH or DVELV-300PH-WH
  • Multi-volt 120-277 Volt
  • Photometrics and compatible dimmer list located in Product Details section, Additional Resources, click Specification
  • Included in box: (2) Chains w/ "S" Hook and (5) wire connectors
  • Product Dimensions: 46.18in. L x 4.92in. W x 3.43in. H - Weight: 8.82 lbs.
  • Maintenance free with no bulbs to replace
  • Rated life up to 50,000 hours
  • 5 year warranty
  • Shop more Commercial Electric products here"
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  • Return Policy

Product Information

Internet # 307799663

Model # 50239161

Store SKU # 1004095961

Store SO SKU #1003926471



Product Height (in)


Product Length (in)


Product Width (in)



Actual Color Temperature (K)


Color Rendering Index (CRI)


Color Temperature


Color Temperature




Color/Finish Family


Commercial Light Type

Low Bay

Damp/Wet Rating

Dry Rated (Indoor)

Dimmable Capability

0-10-Volt Dimming


No Additional Features

Fixture Color Family


Fixture Shape



Mounting Hardware

Light Bulb Type Included

Integrated LED

Location Use

Garage, Warehouse





Package Quantity


Power Source


Product Length (ft)

3.83 ft

Product Weight (lb.)

8.82 lb

Product Width (ft)

0.41 ft

Recommended Mounting Height (ft.)

15 ft



Voltage (V)


Wattage (W)

78 W

Warranty / Certifications

Manufacturer Warranty

5 years

Questions & Answers

Q:Wiring diagram please
by|Feb 4, 2024
1 Answer
Answer This Question

A:  The wire is hidden in the knock-out hole near the end cover. You can unscrew it. There are instructions at the link below. https://images.thdstatic.com/catalog/pdfImages/2b/2bcf72a1-811e-4118-97f4-91f829b075f6.pdf

by|Feb 19, 2024
    Q:What is the purpose of the grey and purple wires? Do they need to be protected better than just cut as they are? There's nothing in the manual and I'm not going to remove rivets to figure out what's going on!
    by|Dec 4, 2023
    1 Answer
    Answer This Question

    A:  Hi these two wires use for 0-10V dimmer ,you don't need to pay attention to it if doesn't need it ,Mainly pay attention not to let the copper cores of the two wires touch each other.

    by|Jan 16, 2024
      Q:The main description says that it is a 4 ft. White Linear LED High Bay Warehouse, and yet the box in the first picture and the other description says that it is a low bay light - which is it?
      by|May 15, 2023
      1 Answer
      Answer This Question

      A:  This one belongs to the low bay series, suitable for lower height installation

      by|May 16, 2023
        Q:Does this light come with an additional screen/cover to be mounted over the lights after installation
        by|Oct 3, 2022
        1 Answer
        Answer This Question

        A:  No 

        by|Oct 4, 2022
          Showing 1-4 of 16

          Customer Reviews

          4.8 out of 5

          • 4.8 out of 52 reviews
          • 100% recommend this product
          Filter by:
          Showing 1-10 of 52 reviews
          Well built, low profile, and bright [you'll need to put sunscreen on]
          • Verified Purchase
          Brightest shop light
          The industrial LED low bay light is an excellent addition to your garage or shop. Talk about putting out some bright light, this thing will beat the socks off anything else you currently have. I was amazed at the difference between this LED fixture and the standard T12 fluorescent lights I have in the garage. I wish I had these all over my 2 1/2 car garage. The quality is excellent, much better than the other LEDs I have. I guess thats why it is an industrial fixture. This light has to be hard-wired in your light circuits as there is no cord or plug. Its definitely worth the trouble. You will be pleased with the results.
          • Recommended
          Great Shop Light by Commercial Electric
          This Review is for a Commercial Electric LED Light, we have owned this light for (1) day. It was packaged very well, and the inside contents was safe. As always with each of my reviews are based on true facts about this product, and any issues of any kind will be mentioned, positive and negative, which I believe is important to anyone who might have an interest in this product. My husband needed more light in a work-area of his garage. This Commercial Electric 4 ft. Industrial Led low bay light was perfect for what he needed. It replaced a 2 lamp fluorescent 4 ft. fixture. It puts out 9,000 Lumens of Light, it has actual color temperature of 5,000 (k) The color rendering index is 80, it is designed to be hardwired but my husband put on an electrical cord and plugged it into an wall outlet. It is dimmable from 0 to 10 volts with the proper dimming switch and wiring. It can operate from a minus 40 degree F to 122 degree F. It is maintenance free because it has integrated Led that have a lifetime up to 50,000 hours, pretty good must say so myself. For best light distribution MFG. recommends a hanging height from 9 to 20 ft. It uses only 78 watts of energy voltage required is 120-277 volts. This light fixture is ideal for garages, workshops, sheds, barns, retail stores, grocery stores, frozen storage, warehouse, and loading docks. It comes with all necessary hardware including chains, and 2 S Hooks for your easy installation. This product only weighs 8.82 lb which is considerably less then the old style fluorescent fixtures. And out performs them not only with light output but also with energy savings and no maintenance cost, and that is fantastic. Product Height is 3.43 in. Product Width is 4.92 in. Product Length is 48.58. It is returnable in 90 Days and has a 5 Year Mfg. Warranty The reason we recommend this product is because of the ease of installation, there is no main- tenance required, the 9,000 Lumens of Light Output, and the 78 Watts of Energy Use. Also because other than wiring and hanging the chain, there is no other assembly required. It appears to be very well made and also very durable to last many years.
          • Recommended
          50 found this review helpful
          Best hanging light to have without a doubt.
          I got this light for my work shop I rebuild small engines and work on dirt bikes and this light fixture is the best one I've seen. It throws off an even white light very bright which is what I was looking for in a light fixture. this unit is hardwired to a switch at my entry door the other one was a pull cord and not very convenient at night. I should get many years of use out of this LED light fixture.
          • Recommended
          Great lighting, easy setup
          I set this light over my radial arm saw, and immediately saw a huge difference. I used to only work during daylight hours. Now I can work anytime. It was also extremely easy to wire a cord to this light, as there were great access panels for that. You can have the cord attach at either end. I set it up as a plug-in unit, but could have just as easily hard mounted it and wired it directly to a junction box.
          • Recommended
          Super bright, nice quality, LED
          This it's a very nice super bright LED light. I have this for my garage and it absolutely lights it up very bright and clear. Very simple to install comes with everything you need including the chain to hang it. You can buy multiple of these and run them together for more lighting. Good thing is once you hang these LEDs you're probably good from 20 or 30 years. Perfect for your garage your shed your shop wherever you need a nice long lasting light that's bright.
          • Recommended
          Nice and bright
          This overhead light fixture is very bright. It does not come with an electrical cord; you must provide your own. The instructions for assembly are clear and concise. The wires are pre-pulled through the fixture housing, so you don’t have to disassemble the housing to make the electrical connections. Hanging loops and chain are included. I recommend this product.
          • Recommended
          Bright light, and commercial grade
          These. 162 watt equivalent shop lights use LEDs to provide a bright light, and commercial grade enclosure. These are not at all like the cheap plastic lights you can find online, these have a nice metal enclosure. We mounted ours using the supplied chain, but rather than using a plug we had an electrician hard wire it. The lights is bright (9000) and in an even pattern without any dark spots.
          • Recommended
          Brilliant light, easy to wire, great long-term investment
          Summary: brilliant light, easy to wire, great long-term investment. In Lord of the Rings, the Orc leader said "The days of men have passed. The time of the Orc has come." Well, the days of fluorescent bulbs have also passed, and the time of the LED has come. Other than the higher initial investment, I haven't found any negative for a light fixture that puts out more light for way less energy over a much longer lifespan, plus is often also fully dimmable. This has no light cover/diffuser to mess with or make it dimmer or worry about falling off if it gets bumped. Bring in your power through an NM clamp or grommet (not included), wire the same-color wires together, reinstall the wiring cover, and you've got a brilliant light that will make your space shine (I wired mine to a cord I plug into a switched plug on the wall). Yes pricier, but absolutely brilliant, and next year I won't be up on a ladder replacing more fluorescent bulbs. In a few years this will have paid for itself in bulbs-not-replaced—not to mention my time.
          • Recommended
          3 found this review helpful
          Ton of features in a very easy to install very bright work light
          This integrated LED shop light has all the features we wanted- Very bright at 9000 Lumens, very bright white for shop work in the basement, good efficiency at 115 lumens/watt, easy installation and potential to add a dimmer. We ran a standard 120VAC line to this unit, but it will support 220V as well. We don't need the dimmer yet, but may as we add more of these to this room. It uses a 0-10V dimmer, which are a bit pricey, but it will allow us to dim multiple of these with a single dimmer. The unit has a lot of knockouts and two separate, removable access panels. No need to disassemble anything to wire the unit. The only way to hook this up is suspension. Chains are supplied and connect securely to the unit without any fasteners. Wire nuts and screws to connect the chain to the ceiling are supplied as well. The installation took less than 30 minutes including running the wire. This single unit turned our basement furnace room from a cave to a work room. The light dispersed pretty well even though we mounted it much lower than the recommended 9 foot minimum. This unit may cost a bit more than some others, but considering the rich feature set, it's definitely a good value. We're very pleased with this unit.
          • Recommended
          6 found this review helpful
          Showing 1-10 of 52 reviews