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300 Watt UFO High Bay | 45000 Lumens | 5000K | 100-277V

SKU: MLLG-AG-LED-HB-300-5-120 Web ID: 980
Starting at: $539.94
Built to Order 8 Weeks

This 300W UFO high bay delivers 45,000 lumens at 150 lm/W, providing a practical replacement for 1000W metal halide fixtures in warehouses and manufacturing facilities. Its 120 degree beam, 5000K output, and 1-10V dimming support broad, controllable general lighting. IP65, IK08, die-cast aluminum construction, and a -22F to 122F operating range suit demanding indoor or covered industrial environments. Eye-hook mounting simplifies installation, with pendant and surface options available.

Dwayne Kula | President, CTO and Founder

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Product Specifications

UL Listed - Verified for Electrical Safety and PerformanceDLC Premium - Top Tier Energy Performance and Rebate Eligibility5 Year Unlimited Usage Warranty

Key Features

BrandLED Lighting Supply
Watts300
Lumens45000
Lumens Per Watt150
Replaces1000 Watt Metal Halide
Voltage100V-277V or 127-300VDC
Color Temperature5000K
CRI70+
Dimming1-10V
Beam Angles (Std)120°
OpticsTempered Glass Lens
Lifespan164,000 (L70) hours
MountingEye-Hook
Mounting (Opt)Pendant or Surface
Fixture ColorBlack
Frequency (Hz)50/60
Power Factor.90
THD20% Max

Durable Construction

HousingDie-Cast Aluminum
IP RatingIP65
IK RatingIK08
Operating Temperature-22°F to 122°F
CertificationsUL | DLC Premium
Warranty5 years

Measurements

Dimensions (in)16 W X 8 H
Weight (lbs)21
Cord Length5 Feet
Dimming Cord Length8 Inches

Product Lighting Layout Estimator

Use this estimator to calculate approximate fixture count, spacing, and average foot-candles for a simple rectangular space using the selected LED fixture. Enter your room dimensions, mounting height, target foot-candles, light loss factor, and room/layout condition to generate a preliminary lighting layout. When IES photometry is available, workplane height and room reflectance controls are shown.

Project Inputs

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Estimated Results

Fixtures --
Layout --
Estimated Avg FC --
Approx. Spacing --
Fixture Offset --
Calculation Method: --
Top-Down Fixture Layout Fixture positions and estimated floor light levels
Lower estimated FC Near target Higher estimated FC

Estimated average foot-candles are preliminary and should be verified with a lighting plan for project-critical applications.

Room / Layout Condition: This field is used only when usable IES photometry is not available. In fallback mode, it acts as a simplified room utilization factor for reflectance, fixture distribution, racking, obstructions, and how much fixture light reaches the work area. Open / light-colored spaces use 0.90, typical warehouses or shops use 0.75, racked or obstructed spaces use 0.60, and dark or complex spaces use 0.45. When IES photometry is active, this field is hidden and the estimator uses the selected workplane height, LLF, and simplified reflectance adjustment instead.

Photometry / Simulation Note: When usable IES photometry is available for the selected fixture, this estimator uses the fixture’s IES candela data, selected workplane height, light loss factor, and simplified reflectance adjustment to estimate fixture count, average foot-candles, and visual light distribution. The reflectance adjustment is a conservative approximation and is not a full zonal-cavity, radiosity, or professional photometric room calculation. When IES photometry is not available, the estimator uses a simulated beam model based on lumens, mounting height, room/layout condition, light loss factor, and beam angle.

Preliminary Estimate Only: This estimator is intended for simple square or rectangular spaces and should be used as a planning aid, not a final photometric lighting plan. Actual light levels may vary based on fixture optics, selected IES file, mounting conditions, workplane height, ceiling height, surface reflectance, obstructions, controls, voltage, installation conditions, and site-specific requirements. Project-critical applications should be verified with a formal lighting plan.

Need Verified Light Levels?

This estimate is a starting point. Warehouses, industrial facilities, hazardous locations, sports areas, schools, healthcare spaces, public areas, and code-sensitive projects may require a reviewed lighting layout before purchase or installation.

Estimator Version 2.9.21

Product Overview

This 300 watt UFO high bay produces 45,000 lumens at 5000K for high-ceiling interior lighting. Its round die-cast aluminum housing, tempered glass lens, and eye-hook mounting support open-area high bay installations.

The fixture replaces 1000 watt metal halide lighting where a high-output LED conversion is required. It operates on 100-277V AC or 127-300V DC input and includes 1-10V dimming.

Core Performance and Output

The fixture delivers 45,000 lumens at 150 lumens per watt with a standard 120 degree beam angle. The wide distribution supports broad light coverage from an overhead mounting position.

Electrical performance includes 50/60 Hz operation, a 0.90 power factor, and maximum 20% THD. At lower mounting heights, 45,000 lumens can create excessive light levels. Mounting height and layout affect uniformity across the lighted area.

Adjustability and Control Options

1-10V dimming is provided through an 8-inch dimming cord. The fixture can be connected to compatible 1-10V dimming controls.

Standard mounting is by eye-hook. Pendant and surface mounting are optional configurations. The fixture includes a 5-foot power cord.

Longevity and Reliability

Rated life is 164,000 L70 hours. The L70 rating identifies the point at which light output is maintained at 70 percent of initial output.

The fixture operates in ambient temperatures from -22 degrees F to 122 degrees F. The five-year warranty covers the product under its stated warranty terms.

Build Quality and Physical Characteristics

The housing is die-cast aluminum with a black finish. A tempered glass lens protects the optical assembly.

This UFO high bay measures 16 inches wide by 8 inches high and weighs 21 pounds. It carries an IP65 rating and an IK08 impact rating. A dome accessory is available.

Where This Product Fits Best

This high-output UFO high bay fits large indoor spaces that need broad overhead illumination from a compact round fixture. Its 45,000-lumen output is suited to higher mounting locations and open layouts.

  • warehouse lighting
  • distribution center lighting
  • manufacturing facility lighting
  • gymnasium lighting
  • indoor sports facility lighting
  • basketball court lighting

The IP65-rated housing and tempered glass lens support installations where dust and moisture protection are required. The stated operating temperature range must be maintained.

Installation and Long-Term Use

Eye-hook mounting is the standard installation method. Verify the mounting structure supports the 21-pound fixture weight and that the power and dimming cords can be routed without strain.

Mounting height, fixture location, and the 120 degree beam distribution should be reviewed together before installation. Pendant or surface mounting may be used when the selected mounting configuration matches the installation condition.

How This Fixture Is Commonly Used

In warehouse lighting, distribution center lighting, and manufacturing facility lighting, these fixtures are typically arranged in overhead rows or open-area patterns based on mounting heights and required light distribution. The wide beam angle supports broad coverage across the layout.

For gymnasium lighting, indoor sports facility lighting, and basketball court lighting, fixture placement is coordinated with the overhead structure and activity area. Higher output can reduce fixture count, but layout must also control light distribution and glare.

Safety, Certifications, and Warranty

This fixture is UL listed and DLC Premium listed.

The fixture has an IP65 rating, IK08 impact rating, and a five-year warranty. Installation must account for the stated voltage range, mounting method, fixture weight, and operating temperature range.

Frequently Asked Questions

Q: What is the light output of this 300 watt UFO high bay?

A: The fixture produces 45,000 lumens at 150 lumens per watt.

Q: What voltage does this fixture operate on?

A: The fixture operates on 100-277V AC or 127-300V DC.

Q: Does this UFO high bay support dimming?

A: Yes. It includes 1-10V dimming.

Q: What mounting method is standard?

A: Eye-hook mounting is standard. Pendant and surface mounting are optional.

Q: What beam angle does this fixture use?

A: The standard beam angle is 120 degrees.

Application Questions and Clarification

Q: Is this fixture appropriate for warehouse lighting and distribution center lighting?

A: The 45,000-lumen output, 120 degree beam angle, and eye-hook mounting support warehouse lighting and distribution center lighting. Final placement depends on mounting height and layout requirements.

Q: What should be reviewed for gymnasium lighting or basketball court lighting?

A: Review mounting height, fixture placement, required light distribution, and glare control. The fixture provides 45,000 lumens with a 120 degree beam angle.

Web ID: 980

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