300 Watt Linear LED High Bay | 43000 Lumens | 5000K | 100-277V | 3 Foot

SKU: MLLG-LS-LED-HBLIN3-300-50 Web ID: 1803
Starting at: $217.31

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Product Specifications

UL Listed - Verified for Electrical Safety and PerformanceRebate Eligible - Qualifies for Energy Incentive Programs5 Year Unlimited Usage Warranty

Key Features

Brand LED Lighting Supply
Watts 300
Lumens 43000
Lumens Per Watt 143
Replaces 1000 Watt Metal Halide
Voltage 100V-277V
Color Temperature 5000K
CRI 80+
Dimming 1-10V
Beam Angles (Std) 110°
Optics Frosted Lens
Lifespan 100,000 (L70) hours
Mounting Chain-Cable
Fixture Color White
Frequency (Hz) 50 / 60 hz
Power Factor .93
THD 20% Max

Durable Construction

Operating Temperature -40°F to 113°F
Certifications UL | Rebate Eligible
Warranty 5 years

Measurements

Dimensions (in) 36 X 15.2 Inches
Weight (lbs) 10 lbs
Cord Length No Cord

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 2.9.20

Product Overview

This 300 Watt Linear LED High Bay delivers 43,000 lumens at 5000K color temperature. It is designed for 100V to 277V input and operates at 50 or 60 Hz. The fixture measures 36 by 15.2 inches and weighs 10 lbs.

The standard beam angle is 110°, with a frosted lens for diffused output. The fixture is finished in white and supports 1-10V dimming. It is rated for a lifespan of 100,000 (L70) hours.

Chain-cable mounting is supported. The fixture does not include a cord. Power factor is .93 and THD is 20% max.

This fixture is UL listed and rebate eligible. It carries a 5-year warranty from LED Lighting Supply.

Where This Product Fits Best

This fixture is suitable for large indoor spaces requiring high lumen output, such as warehouses, manufacturing areas, and distribution centers. It is intended to replace 1000 Watt metal halide systems.

It can be used in environments where temperatures range from -40°F to 113°F. The 5000K color temperature provides a daylight-white appearance, supporting visibility in task-oriented spaces.

The 110° beam angle and frosted lens are suited for open layouts where broad, even light distribution is needed. Chain-cable mounting allows for installation in facilities with accessible overhead structure.

Performance and Functional Considerations

The fixture delivers 143 lumens per watt, providing high efficiency for energy-conscious operations. The 80+ CRI supports accurate color rendering in work environments.

1-10V dimming is available for integration with compatible dimming controls. The fixture operates on 100V to 277V input, covering a wide range of commercial and industrial electrical systems.

With a power factor of .93 and THD of 20% max, the fixture meets typical requirements for power quality in commercial installations. The frosted lens reduces glare and helps distribute light evenly.

The fixture is designed for long-term use, with a rated lifespan of 100,000 (L70) hours. It is suitable for continuous operation in demanding environments.

Installation and Long-Term Use

Chain-cable mounting supports straightforward installation in facilities with appropriate overhead structure. The fixture weighs 10 lbs, which allows for manageable handling during installation.

No cord is included, so field wiring is required. The fixture operates reliably in ambient temperatures from -40°F to 113°F, supporting use in both cold storage and high-heat environments.

The white finish provides a neutral appearance in most commercial and industrial interiors. The fixture’s dimensions (36 x 15.2 inches) should be considered when planning placement and spacing.

Routine maintenance is minimized due to the long rated lifespan. The fixture is covered by a 5-year warranty from LED Lighting Supply.

How This Fixture Is Commonly Used

Once installed, this fixture provides consistent, high-output lighting for large indoor spaces. The 1-10V dimming allows you to adjust light levels to match operational needs or energy management strategies.

The frosted lens helps reduce glare for personnel working below, while the 110° beam angle ensures broad coverage. The fixture’s daylight-white 5000K output supports visibility for detailed tasks and general movement.

In day-to-day operation, the fixture is typically left in place and requires minimal attention beyond periodic cleaning. The robust construction and wide operating temperature range allow it to remain in service across seasonal changes and varying facility conditions.

Safety, Certifications, and Warranty

This fixture is UL listed. It is rebate eligible.

LED Lighting Supply provides a 5-year warranty on this fixture.

The fixture is rated for operation in environments from -40°F to 113°F. It is designed for use in commercial and industrial settings where durability and reliability are required.

Frequently Asked Questions

What voltage does this fixture support?
This fixture operates on 100V to 277V input.

What is the lumen output?
The fixture delivers 43,000 lumens.

What mounting method is supported?
Chain-cable mounting is supported.

Is this fixture UL listed and rebate eligible?
Yes, this fixture is UL listed and rebate eligible.

What is the warranty period?
LED Lighting Supply provides a 5-year warranty.

Application Questions and Clarification

This product description reflects the provided specifications, ratings, and configuration options. For questions related to site-specific conditions, electrical compatibility, control integration, or application requirements not addressed in the provided data, our team is available to provide clarification.

Web ID: 1803