32 / 48 / 56 Watt Adjustable LED Vapor Tight Light | 4471 to 7253 Lumens | 3500K / 4000K / 5000K | 100-277V | 4 Foot | Optional Battery Backup
This 4-foot LED vapor tight fixture is a strong choice for environments where moisture, dust, or debris are present, thanks to its IP66 rating, impact-resistant polycarbonate construction, and wide operating temperature range. Selectable wattage (32, 48, or 56 watts) and color temperature (3500K, 4000K, 5000K) allow adaptation to varied lighting needs, while up to 140 lumens per watt ensures energy efficiency. Surface mounting and low weight simplify installation in tight spaces. Ideal for parking garages, utility corridors, food processing, and industrial washdown areas. Not suitable where dimming or pendant/suspended mounting is required.
Dwayne Kula | President, CTO and Founder
Product Specifications
Key Features
| Brand | LED Lighting Supply |
| Watts | 32 | 48 | 56 |
| Lumens | 4471 | 6155 | 7253 |
| Lumens Per Watt | 140 |
| Replaces | 100 or 150 Watt Metal Halide |
| Voltage | 100V-277V |
| Color Temperature | 3500K or 4000K or 5000K |
| CRI | 80+ |
| Dimming | No |
| Beam Angles (Std) | 120° |
| Optics | Polycarbonate Lens |
| Lifespan | 50,000 (L70) hours |
| Mounting | Surface |
| Fixture Color | White |
| Frequency (Hz) | 50/60 |
| Power Factor | > .90 |
Durable Construction
| Housing | Polycarbonate |
| IP Rating | IP66 |
| Surge Protection | 6kV |
| Operating Temperature | -40°F to 122°F |
| Certifications | UL | Rebate Eligible |
| Warranty | 5 years |
Measurements
| Dimensions (in) | 48 1/8 x 3 9/16 |
| Weight (lbs) | 5 lbs |
Features/Accessories
- Color Adjustable
- Wattage Adjustable
- Standard (No EMB)
- Emergency Backup Battery
Product SKU Variations
- SKU: MLLG-AL-LED-LIN-VP4-56-CC
- SKU: MLLG-AL-LED-LIN-VP4-56-CC-10EM
Download IES Files
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 4-foot LED vapor tight light is a surface-mounted linear fixture with selectable 32W, 48W, and 56W output settings. It produces 4471 to 7253 lumens and includes selectable 3500K, 4000K, and 5000K color temperatures.
The IP66-rated polycarbonate housing and lens support use in wet, cold, and washdown-prone areas. It is configured for 100-277V operation and is available with an optional emergency backup battery.
Core Performance and Output
Output is selectable at 4471 lumens at 32W, 6155 lumens at 48W, and 7253 lumens at 56W. Fixture efficacy is 140 lumens per watt, with 80+ CRI and a 120-degree distribution through a polycarbonate lens.
The broad distribution supports continuous runs and evenly spaced surface-mounted layouts. The 56W setting can produce excessive light in small utility rooms or low mounting conditions, while wider spacing can reduce uniformity between fixtures.
The fixture operates on 100-277V, 50/60 Hz power and has a power factor above 0.90. It includes 6kV surge protection.
Adjustability and Control Options
Field-selectable wattage settings allow the fixture to operate at 32W, 48W, or 56W. Color temperature is selectable between 3500K, 4000K, and 5000K.
This fixture is non-dimming. The selected wattage and color temperature should be set before final commissioning.
Longevity and Reliability
The LED system is rated for 50,000 hours at L70. This rating supports long service intervals where fixture access is limited or maintenance is scheduled around facility operations.
The operating temperature range is -40F to 122F. The sealed IP66 construction helps protect internal components from dust and water exposure.
Build Quality and Physical Characteristics
The fixture uses a white polycarbonate housing with a polycarbonate lens. The housing measures 48 1/8 inches long by 3 9/16 inches wide and weighs 5 pounds.
Surface mounting keeps the fixture close to the mounting plane and supports straight-run layouts. Fixture location should allow access for wiring, cleaning, and any future battery backup service.
Where This Product Fits Best
This vapor tight fixture fits enclosed and covered locations where moisture, dust, cold temperatures, or routine cleaning are operating considerations. Its linear form works well where fixtures are arranged in runs along walls, ceilings, corridors, or service areas.
- washdown area lighting
- cold storage lighting
- parking garage lighting
- utility room lighting
- food processing lighting
- stairwell lighting
- locker room lighting
The IP66 rating and -40F to 122F operating range support locations with changing temperatures and exposure to water or dust. Surface mounting is required for this fixture configuration.
Installation and Long-Term Use
Install the fixture using the surface-mount arrangement and supply power within the 100-277V input range. Confirm the selected wattage and color temperature before energizing the fixture.
For installations using the optional emergency backup battery, provide access for future inspection and service. The 4-foot fixture length should be considered when laying out continuous rows, junction locations, and mounting points.
How This Fixture Is Commonly Used
In washdown area lighting, cold storage lighting, and food processing lighting, fixtures are typically mounted in straight rows to maintain consistent coverage along the working area. In parking garage lighting and stairwell lighting, placement follows the ceiling structure and required travel paths.
Mounting height should be evaluated with the selected wattage, target light level, and the 120-degree beam distribution. Higher output can reduce fixture count in a layout, but wider fixture spacing can create lower light levels between units.
Safety, Certifications, and Warranty
This fixture is UL listed and rebate eligible. It is rated IP66.
The fixture includes 6kV surge protection and a 5-year warranty. An optional emergency backup battery is available.
Frequently Asked Questions
Q: What wattage and lumen settings are available?
A: The fixture is selectable between 32W, 48W, and 56W. Output is 4471 lumens, 6155 lumens, and 7253 lumens at the respective wattage settings.
Q: Can the color temperature be changed?
A: Yes. The fixture has selectable 3500K, 4000K, and 5000K color temperatures.
Q: Is this vapor tight light dimmable?
A: No. This fixture is non-dimming.
Q: What should be considered when planning fixture spacing?
A: Mounting height, selected wattage, target light levels, and the 120-degree beam distribution affect spacing and layout. A specific spacing value is not established by the supplied product data.
Q: Is emergency backup available?
A: Yes. The fixture is available with an optional emergency backup battery.
Application Questions and Clarification
Q: Is this fixture suitable for cold storage lighting?
A: The fixture is rated for operation from -40F to 122F and has an IP66 rating. Final placement should account for the selected output and required light levels.
Q: What conditions should be reviewed for washdown area lighting?
A: The fixture has an IP66 rating and polycarbonate housing and lens. Confirm that the surface mounting location and wiring arrangement match site conditions.
Q: Can this fixture be used for parking garage lighting?
A: Parking garage lighting is a listed application for this product family. Fixture placement should consider mounting height, layout requirements, and the selected wattage setting.
Web ID: 1679
