switchtoled 4ft led linear high bay​
1000w linear high bay replacements​ shown diagonally on a white background, with text listing product specs: 320W / 270W / 220W selectable wattage, up to 45,120 LM light output, up to 141 LM/W efficacy, 120-277VAC input voltage, and CRI >80 color quality.
best adjustable linear high bay led light​ with 5700k color temperature at switchtoled.com
A white led linear high bay fixture​ shown with dimension annotations, including a top view labeled 46.1 inches by 11.
A promotional graphic showing a warehouse aisle with three side-by-side panels demonstrating light levels at 10%, 50%, and 100%, with text reading 'CONTROL THE LIGHT YOU NEED' and '0-10V Continuous Dimming'. A white wall light switch is shown in the bottom right corner.
A warehouse aisle with tall shelving on both sides, a large closed garage door at the end, and overlaid text reading '90° WIDE BEAM' with smaller copy below. A bright overhead light fixture is shown with lines indicating a 90° beam spread.
277v led linear high bay ceiling light​ suspended by chains in an industrial warehouse ceiling, with text reading 'EASY TO INSTALL' and a small inset showing a mounting hardware detail.
A wide view of a large warehouse interior with tall blue and orange pallet racks filled with boxes, a concrete floor, overhead fluorescent lighting, and text at the top reading 'MADE FOR LARGE COMMERCIAL SPACES' with smaller text listing warehouses, factories, workshops, exhibition halls, and supermarkets.
320w linear high bay frosted lens 5700k​ 4 pack at switchtoled.com
320w linear high bay frosted lens 5700k​ 10 pack at switchtoled.com
switchtoled 4ft led linear high bay​
1000w linear high bay replacements​ shown diagonally on a white background, with text listing product specs: 320W / 270W / 220W selectable wattage, up to 45,120 LM light output, up to 141 LM/W efficacy, 120-277VAC input voltage, and CRI >80 color quality.
best adjustable linear high bay led light​ with 5700k color temperature at switchtoled.com
A white led linear high bay fixture​ shown with dimension annotations, including a top view labeled 46.1 inches by 11.
A promotional graphic showing a warehouse aisle with three side-by-side panels demonstrating light levels at 10%, 50%, and 100%, with text reading 'CONTROL THE LIGHT YOU NEED' and '0-10V Continuous Dimming'. A white wall light switch is shown in the bottom right corner.
A warehouse aisle with tall shelving on both sides, a large closed garage door at the end, and overlaid text reading '90° WIDE BEAM' with smaller copy below. A bright overhead light fixture is shown with lines indicating a 90° beam spread.
277v led linear high bay ceiling light​ suspended by chains in an industrial warehouse ceiling, with text reading 'EASY TO INSTALL' and a small inset showing a mounting hardware detail.
A wide view of a large warehouse interior with tall blue and orange pallet racks filled with boxes, a concrete floor, overhead fluorescent lighting, and text at the top reading 'MADE FOR LARGE COMMERCIAL SPACES' with smaller text listing warehouses, factories, workshops, exhibition halls, and supermarkets.
320w linear high bay frosted lens 5700k​ 4 pack at switchtoled.com
320w linear high bay frosted lens 5700k​ 10 pack at switchtoled.com

SwitchToLED

320W LED Linear High Bay Light – 45,120 Lumens, 5700K Bright White, 220W/270W/320W Selectable, 120–277V, 0–10V Dimmable, 90° Beam Angle, DLC Certified & UL/cUL Listed, 4FT Commercial Warehouse Lighting

SKU: STL-0486
$85.25
$93.78
$85.25
Size: 1 PACK
Get additional discounts on orders over $500 with SwitchToLED Learn more
Subtotal: $85.25
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switchtoled 4ft led linear high bay​

320W LED Linear High Bay Light – 45,120 Lumens, 5700K Bright White, 220W/270W/320W Selectable, 120–277V, 0–10V Dimmable, 90° Beam Angle, DLC Certified & UL/cUL Listed, 4FT Commercial Warehouse Lighting

$93.78 $85.25
switchtoled 4ft led linear high bay​
1000w linear high bay replacements​ shown diagonally on a white background, with text listing product specs: 320W / 270W / 220W selectable wattage, up to 45,120 LM light output, up to 141 LM/W efficacy, 120-277VAC input voltage, and CRI >80 color quality.
best adjustable linear high bay led light​ with 5700k color temperature at switchtoled.com
A white led linear high bay fixture​ shown with dimension annotations, including a top view labeled 46.1 inches by 11.
A promotional graphic showing a warehouse aisle with three side-by-side panels demonstrating light levels at 10%, 50%, and 100%, with text reading 'CONTROL THE LIGHT YOU NEED' and '0-10V Continuous Dimming'. A white wall light switch is shown in the bottom right corner.
A warehouse aisle with tall shelving on both sides, a large closed garage door at the end, and overlaid text reading '90° WIDE BEAM' with smaller copy below. A bright overhead light fixture is shown with lines indicating a 90° beam spread.
277v led linear high bay ceiling light​ suspended by chains in an industrial warehouse ceiling, with text reading 'EASY TO INSTALL' and a small inset showing a mounting hardware detail.
A wide view of a large warehouse interior with tall blue and orange pallet racks filled with boxes, a concrete floor, overhead fluorescent lighting, and text at the top reading 'MADE FOR LARGE COMMERCIAL SPACES' with smaller text listing warehouses, factories, workshops, exhibition halls, and supermarkets.
320w linear high bay frosted lens 5700k​ 4 pack at switchtoled.com
320w linear high bay frosted lens 5700k​ 10 pack at switchtoled.com

320W LED Linear High Bay Light – 45,120 Lumens, 5700K Bright White, 220W/270W/320W Selectable, 120–277V, 0–10V Dimmable, 90° Beam Angle, DLC Certified & UL/cUL Listed, 4FT Commercial Warehouse Lighting

$93.78 $85.25
Size: 1 PACK
Description

SwitchToLED 4FT LED Linear High Bay Light

Brighten your warehouse, workshop or commercial space with the SwitchToLED 4FT LED Linear High Bay Light. It delivers 45,120 lumens at 320W with 5700K bright white light.

Choose 220W, 270W or 320W to suit your lighting needs. Compatible 0–10V dimming controls let you adjust brightness further.

Key Features

  • Adjustable wattage: Three settings in one fixture.

  • High light output: 45,120 lumens at the 320W setting.

  • Dimmable: Works with compatible 0–10V controls.

  • Commercial voltage: Operates on 120–277V AC.

  • UL/cUL listed and DLC certified.

  • 5-year warranty.

Product Specifications

 Specification  Details
Brand SwitchToLED
Product Type LED Linear High Bay Light
Nominal Size 4FT
Selectable Wattage 220W / 270W / 320W
Light Output 45,120 lumens at 320W, ±10%
Light Color 5700K Bright White
Input Voltage 120–277V AC, 50/60Hz
Dimming 0–10V with compatible controls
Efficiency 141 lumens per watt at 320W, ±3%
Color Rendering (CRI) Greater than 80
Beam Angle 90°
LED Brand Lumileds
Lens Matte
Housing Material Iron
Certifications UL / cUL / DLC
Location Rating Indoor damp locations, IP20
Warranty 5 years

Where to Use It

Suitable for warehouses, factories, workshops, exhibition halls and large retail spaces. This fixture is rated for indoor damp locations. It is not suitable for rain, water spray or washdown areas.

Optional Accessories

Motion sensors and emergency backup are optional configurations and are not included as standard. Contact SwitchToLED to confirm availability before ordering.

Bulk Buying & Contractor Pricing

Buying multiple fixtures? Bulk buying options and contractor pricing are available.

Send your quantity, delivery ZIP code and project timeline to request pricing for your project.

Request Bulk & Contractor Pricing

Frequently Asked Questions

Can I adjust the brightness?
Yes. Choose from 220W, 270W or 320W settings, or use compatible 0–10V dimming controls.

Can I change the light color?
This listing is for 5700K bright white. The wattage is adjustable; selectable color temperature is not confirmed for this model.

Will it work with my electrical supply?
It operates on 120–277V AC. Ask your electrician to confirm compatibility before ordering.

How many fixtures do I need?
The quantity depends on your room size, ceiling height and required brightness. Include these details when requesting a project quote.

Does it include a motion sensor or battery backup?
These are optional configurations, not standard features. Confirm availability before purchasing.

What warranty is included?
SwitchToLED offers a 5-year warranty on this fixture, subject to the applicable warranty terms.

Can I buy in bulk?
Yes. Contact SwitchToLED with your quantity and delivery details for bulk or contractor pricing.

Choose your quantity and order online, or request a bulk quote for your next project.

Shipping & Return

Returns Policy

We want you to love your lighting. If you’re not satisfied, you may request a return within 30 days of delivery.

How to start a return: Contact us to request an RMA (Return Merchandise Authorization) at +1-844-957-0718 or support@switchtoled.com. Returns without an RMA can’t be accepted.

Condition: Items must be new, unused, and in their original packaging. Please pack securely.

Who pays return shipping? If we made an error (incorrect item, defective on arrival, or missing parts), we’ll provide a prepaid label. Otherwise, the customer is responsible for return shipping.

Refund timing: After your return is received and inspected, refunds are typically issued to your original payment method within 5–7 business days (bank processing may add time).

Damaged on arrival: If your package arrives damaged, contact us within 72 hours with photos of the packaging and the item so we can issue an RMA and a prepaid label.

Warranty claims: Products under warranty must be returned for inspection. After 30 days, customers cover inbound shipping; approved warranty replacements ship back to you at no cost.

Return Address
SWITCH TO LED
6455 Jimmy Carter Blvd, Suite A
Norcross, GA 30071
United States

Shipping

At SwitchToLED.com, we’re committed to fast, reliable shipping on all LED lighting solutions.

Fast Shipping: Most orders ship within 1 business day.

Free Shipping: Orders of $99+ ship free. Other shipping costs are calculated at checkout based on item weight and quantity. Some heavy or oversized fixtures may ship separately with a standard flat rate.

Support: For order questions or cancellations, contact +1-844-957-0718 or support@switchtoled.com (Mon–Sun, 5:00 AM–5:00 PM PST). After hours, submit our contact form and a Lighting Specialist will respond within 24 hours.

Frequently Asked Questions