270 / 340 / 400 Wattage Adjustable High Bay Linear | 41600 to 56100 Lumens | 4000K / 5000K Adjustable | 277-480V | 3 Foot 8 Inches
This adjustable linear high bay suits warehouses and distribution centers needing 41,600 to 56,100 lumens from a 270, 340, or 400W setting. Select 4000K or 5000K and use 0-10V dimming to match the space and lighting controls. Its 90 degree distribution, chain-cable mounting, 277-480V input, and -4F to 122F operating range support practical high-bay installations. UL certification, a 70,000-hour lifespan, and five-year warranty add confidence.
Dwayne Kula | President, CTO and Founder
231 in stock
Product Specifications
Key Features
| Brand | LED Lighting Supply |
| Watts | 270 | 340 | 400 |
| Lumens | 41600 | 50000 | 56100 |
| Lumens Per Watt | 150 |
| Replaces | 1000 or 1500 or 2000 Watt Metal Halide |
| Voltage | 277V-480V |
| Color Temperature | 4000K or 5000K |
| CRI | 80+ |
| Dimming | 0-10V |
| Beam Angles (Std) | 90° |
| Optics | Polycarbonate Lens |
| Lifespan | 70,000 hours |
| Mounting | Chain-Cable |
| Mounting (Opt) | Pendant or Surface |
| Fixture Color | White |
| Frequency (Hz) | 50/60 |
| Power Factor | .98 |
| THD | 20% Max |
Durable Construction
| Operating Temperature | -4°F to 122°F |
| Certifications | UL | Rebate Eligible |
| Warranty | 5 years |
Measurements
| Dimensions (in) | 44.2 L X 10.2 W X 1.8 H |
| Weight (lbs) | 13.7 |
| Cord Length | No Cord |
Features/Accessories
- Color Adjustable
- Wattage 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
Estimated Results
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.
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.
Product Overview
This wattage-adjustable linear LED high bay provides 270W, 340W, or 400W output with selectable 4000K or 5000K color temperature. It is configured for 277-480V electrical systems and produces 41,600 to 56,100 lumens.
The 44.2-inch linear housing is intended for high-ceiling interior lighting layouts using chain-cable mounting. Pendant and surface mounting options are also available.
Core Performance and Output
This fixture delivers 150 lumens per watt across its selectable output settings. The 270W setting produces 41,600 lumens, the 340W setting produces 50,000 lumens, and the 400W setting produces 56,100 lumens.
A 90-degree beam distribution directs light downward through a polycarbonate lens. The fixture operates on 277-480V, uses 50/60 Hz power, has a 0.98 power factor, and has THD of 20% maximum.
The higher output settings can create more light than needed in lower mounting conditions. Layout uniformity depends on mounting height, fixture spacing, and the selected wattage setting.
Adjustability and Control Options
Field-selectable wattage allows the fixture to operate at 270W, 340W, or 400W. Selectable 4000K and 5000K color temperature settings allow the light appearance to be set before commissioning.
The fixture supports 0-10V dimming. Control wiring and dimming operation should be coordinated with the installed 277-480V electrical system.
Longevity and Reliability
The rated lifespan is 70,000 hours. The fixture is rated for operation from -4 degrees F to 122 degrees F.
A five-year warranty applies. Long-term performance depends on correct electrical connections, mounting, and operating conditions within the listed temperature range.
Build Quality and Physical Characteristics
The white fixture housing measures 44.2 inches long, 10.2 inches wide, and 1.8 inches high. Fixture weight is 13.7 pounds.
The unit uses a galvanized rolled iron housing and polycarbonate lens. It has no cord and requires connection through the installation method used for the project.
Where This Product Fits Best
This linear high bay is suited to interior high-ceiling layouts where fixtures are arranged in rows or along defined aisle patterns. Its 277-480V configuration and higher output range align with larger commercial and industrial interior lighting systems.
- warehouse aisle lighting
- distribution center lighting
- manufacturing facility lighting
- retail warehouse lighting
- storage facility lighting
- commercial interior high ceiling lighting
The selectable wattage and color temperature settings allow the fixture configuration to match the lighting plan. The listed operating temperature range should be maintained throughout the installation area.
Installation and Long-Term Use
Chain-cable mounting is the standard mounting method. Pendant and surface mounting are optional configurations.
Verify the mounting structure can support the 13.7-pound fixture and the selected mounting arrangement. Installation requires a 277-480V supply and appropriate connection of the 0-10V dimming leads when dimming is used.
How This Fixture Is Commonly Used
In warehouse aisle lighting and distribution center lighting, linear fixtures are commonly arranged in continuous rows that follow aisle direction and storage layout. In manufacturing facility lighting, row placement is typically coordinated with work areas, equipment arrangement, and target light levels.
Mounting height affects the selected wattage, beam overlap, and light distribution on the working plane. Higher output can reduce fixture count, but spacing and aiming still need to maintain uniformity across the layout.
Safety, Certifications, and Warranty
This fixture is UL certified. It is rebate eligible.
The operating temperature range is -4 degrees F to 122 degrees F. The warranty period is five years.
Frequently Asked Questions
Q: What wattage settings are available?
A: The fixture has selectable 270W, 340W, and 400W settings.
Q: What lumen output is produced at each wattage setting?
A: Output is 41,600 lumens at 270W, 50,000 lumens at 340W, and 56,100 lumens at 400W.
Q: What voltage does this linear high bay require?
A: This fixture operates on 277-480V.
Q: Can this fixture be dimmed?
A: Yes. The fixture supports 0-10V dimming.
Q: What should be considered when planning fixture spacing?
A: Mounting height, selected wattage, target light levels, and layout requirements affect fixture spacing. The supplied product data does not establish a specific spacing value.
Application Questions and Clarification
Q: Is this fixture appropriate for warehouse aisle lighting?
A: Warehouse aisle lighting is a primary application for this linear high bay. Row layout, mounting height, selected wattage, and required light levels should be confirmed for the installation.
Q: What should be reviewed for manufacturing facility lighting?
A: Manufacturing facility lighting is a primary application. Review the 277-480V supply, mounting arrangement, selected wattage, color temperature setting, and lighting layout requirements.
Q: Can the fixture be used for commercial interior high ceiling lighting?
A: Commercial interior high ceiling lighting is a listed secondary application. The fixture provides selectable 270W, 340W, and 400W output settings with 4000K or 5000K color temperature selection.
Web ID: 2794