300 Watt LED Linear High Bay | 40800 lumens | 4000K / 5000K Color Selectable | 277-480V | 3 Foot 11 Inches

SKU: MLLG-WL-LED-HBLIN6-4-300-CC-HV Web ID: 2111
Starting at: $433.96

Out of Stock

This 300 Watt LED linear high bay is a strong choice for large indoor spaces with high ceilings, such as warehouses, manufacturing plants, and distribution centers, where high-output lighting is needed to replace 1000 Watt metal halide fixtures. Its 40,800 lumen output, selectable 4000K or 5000K color temperature, and 110 degree beam angle provide broad, even illumination adaptable to various tasks. The galvanized iron housing and UL listing ensure durability and code compliance in demanding environments. With a 200,000-hour L70 lifespan and multiple mounting options, it minimizes maintenance. It is not intended for outdoor or wet locations.

Dwayne Kula | President, CTO and Founder

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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 40800
Lumens Per Watt 136
Replaces 1000 Watt Metal Halide
Voltage 277V-480V
Color Temperature 4000K or 5000K
CRI 80+
Dimming 0-10V
Beam Angles (Std) 110°
Optics Frosted Lens
Lifespan 200,000 (L70) hours
Mounting Chain-Cable
Mounting (Opt) Pendant or Surface
Fixture Color White
Frequency (Hz) 50/60
Power Factor .98
THD 20% Max

Durable Construction

Housing Galvanized Rolled Iron
Operating Temperature -22°F to 113°F
Certifications UL | Rebate Eligible
Warranty 5 years

Measurements

Dimensions (in) 46.5 L X 18.9 W X 2.2 H
Weight (lbs) 18
Cord Length No Cord

Features/Accessories

  • Color Adjustable

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 LED linear high bay delivers 40,800 lumens for high-output interior lighting. It operates on 277-480V and provides selectable 4000K or 5000K color temperature.

The linear form factor supports chain-cable mounting, with pendant and surface mounting available. It is used as a 1000 watt metal halide replacement in warehouse aisle lighting, manufacturing facility lighting, and distribution center lighting.

Core Performance and Output

The fixture produces 40,800 lumens at 136 lumens per watt. Its 110 degree beam distribution and frosted lens provide broad downward illumination for open interior layouts and aisle-oriented installations.

The 300 watt input operates at 277-480V, 50/60 Hz, with a 0.98 power factor and 20 percent maximum THD. The fixture has an 80+ CRI.

This output level can be excessive at low mounting heights. Higher mounting heights and wider layouts require a lighting plan to confirm uniformity and target light levels.

Adjustability and Control Options

Selectable 4000K and 5000K color temperature allows the fixture to be configured for the visual conditions required in the space. The color setting should be established before final commissioning.

0-10V dimming is included. Dimming controls can be used where the lighting system includes a compatible 0-10V control method.

Longevity and Reliability

The rated lifespan is 200,000 L70 hours. This rating identifies the point at which light output is expected to reach 70 percent of its initial level.

The fixture operates in ambient temperatures from -22 degrees F to 113 degrees F. The warranty term is 5 years.

Build Quality and Physical Characteristics

The housing is galvanized rolled iron with a white finish. The fixture measures 46.5 inches long, 18.9 inches wide, and 2.2 inches high.

Fixture weight is 18 pounds. No cord is included.

Where This Product Fits Best

This linear high bay is configured for interior applications requiring high output, wide beam distribution, and 277-480V operation. Its elongated housing aligns with aisle and row-based lighting layouts.

  • distribution center lighting
  • warehouse aisle lighting
  • manufacturing facility lighting
  • retail warehouse lighting
  • storage facility lighting
  • commercial interior high ceiling lighting

The operating temperature range supports indoor conditions from -22 degrees F to 113 degrees F. Mounting selection should match the ceiling structure and intended fixture position.

Installation and Long-Term Use

Chain-cable mounting is standard. Pendant and surface mounting are available where the installation layout requires a different fixture position.

The fixture operates on 277-480V and has no attached cord. Confirm voltage, mounting method, and control wiring before installation.

How This Fixture Is Commonly Used

In warehouse aisle lighting and distribution center lighting, linear fixtures are commonly arranged in rows that follow the aisle layout. Mounting height affects illumination distribution, fixture spacing, and perceived brightness at the working plane.

In manufacturing facility lighting, the fixture can be laid out in continuous or segmented rows based on the building layout. Higher output can reduce fixture count, but final spacing depends on mounting height and required light levels.

Safety, Certifications, and Warranty

UL listed.

Rebate eligible.

Warranty: 5 years.

Frequently Asked Questions

Q: What is the light output of this linear high bay?

A: The fixture delivers 40,800 lumens at 300 watts.

Q: What voltage does this fixture require?

A: The fixture operates on 277-480V, 50/60 Hz.

Q: Which color temperatures are available?

A: The fixture has selectable 4000K and 5000K color temperature.

Q: Can this fixture be dimmed?

A: Yes. It includes 0-10V dimming.

Q: What mounting methods are available?

A: Chain-cable mounting is standard. Pendant and surface mounting are available options.

Application Questions and Clarification

Q: Is this fixture appropriate for warehouse aisle lighting?

A: The linear form factor, 110 degree beam distribution, and 40,800 lumen output support warehouse aisle lighting layouts.

Q: What should be considered when planning fixture placement?

A: Mounting height, target light levels, and layout requirements affect fixture placement. A specific spacing value is not established by the supplied product data.

Q: What should be confirmed before installation in manufacturing facility lighting?

A: Confirm the available 277-480V supply, mounting method, color temperature setting, and any 0-10V dimming requirements.

Web ID: 2111

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