50 Watt LED High Temperature Light | 6500 Lumens | 5000K | 100V-277V or 277V-480V | Rated to 176F
Dwayne Kula | President, CTO and Founder
Product Specifications
Key Features
| Brand | LED Lighting Supply |
| Watts | 50 |
| Lumens | 6500 |
| Lumens Per Watt | 130 |
| Replaces | 175 Watt Metal Halide |
| Voltage | 100V-277V or 277V-480V |
| Color Temperature | 5000K |
| CRI | 70+ |
| Dimming | No |
| Beam Angles (Std) | 110° |
| Beam Angles (Opt) | 30° or 90° or 150° |
| Optics | Polycarbonate Lens |
| Lifespan | 100,000 (L70) hours |
| Mounting | Eye-Hook or Trunnion |
| Fixture Color | Gray |
| Frequency (Hz) | 50 / 60 hz |
| Power Factor | .95 |
| THD | 20% Max |
Durable Construction
| Housing | Die-Cast Aluminum |
| IP Rating | IP66 |
| IK Rating | IK10 |
| Surge Protection | 12kV |
| Operating Temperature | -40°F to 176°F |
| Certifications | ETL |
| Warranty | 5 years |
Measurements
| Dimensions (in) | 9.3 X 14.4 X 9.6 |
| Weight (lbs) | 17.2 lbs |
Product SKU Variations
- SKU: MLLG-LED-HT80-50-50-110
- SKU: MLLG-LED-HT80-50-50-110-HV
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 50-watt LED high temperature light delivers 6,500 lumens at 5000K for facilities with sustained elevated ambient temperatures. It is rated for operation from -40F to 176F and is built with a die-cast aluminum housing and polycarbonate lens.
The fixture supports eye-hook or trunnion mounting and operates on either 100V-277V or 277V-480V power. It is commonly considered where a 175-watt metal halide fixture is being replaced in high-temperature operating areas.
Core Performance and Output
The fixture produces 6,500 lumens at 130 lumens per watt with a 70+ CRI and 5000K color temperature. The standard 110-degree beam angle provides broad distribution, with 30-degree, 90-degree, and 150-degree optical options available.
Electrical performance includes 50/60 Hz operation, a 0.95 power factor, and 20% maximum THD. The fixture is available in 100V-277V and 277V-480V configurations.
The 6,500-lumen output can be excessive at low mounting heights where close-range illumination is required. Narrower optics concentrate light, while wider optics require layout review to maintain uniformity.
Adjustability and Control Options
This fixture is non-dimming. Select the voltage configuration and beam angle before installation.
Available optics include 30-degree, 90-degree, 110-degree standard, and 150-degree distributions. The trunnion mount allows directional aiming, while the eye-hook mount supports suspended installation.
Longevity and Reliability
The LED system is rated for 100,000 hours L70. This rating supports long operating intervals in locations where fixture access may be limited by equipment, heat, or operating conditions.
Integrated 12kV surge protection helps protect the fixture from electrical surge events. The listed operating range extends from -40F to 176F.
Build Quality and Physical Characteristics
The gray die-cast aluminum housing measures 9.3 x 14.4 x 9.6 inches and weighs 17.2 pounds. A polycarbonate lens protects the optical assembly.
The fixture carries an IP66 rating and IK10 impact rating. Its compact housing is suited to eye-hook suspension or trunnion mounting where mounting structure and aiming requirements have been established.
Where This Product Fits Best
This high temperature fixture fits operating areas exposed to elevated ambient heat, including process areas where conventional fixtures may not be rated for the temperature conditions.
- power plant and energy site lighting
- nuclear facility lighting
- industrial furnace area lighting
- steel mill lighting
- foundry lighting
- boiler room lighting
- heat treatment facility lighting
The IP66 and IK10 ratings support use where dust, water ingress, and impact exposure are relevant conditions. Final placement must account for the actual ambient temperature at the fixture location.
Installation and Long-Term Use
Install the fixture using the eye-hook or trunnion mounting option appropriate for the structure and required light direction. Confirm the installed voltage configuration matches the available supply voltage before energizing the fixture.
Trunnion-mounted fixtures require aiming during commissioning, particularly when using 30-degree or 90-degree optics. Eye-hook mounting provides a suspended orientation with the standard or selected beam distribution.
Maintenance access should account for the 17.2-pound fixture weight and elevated-temperature conditions. Allow the fixture and surrounding equipment to cool as required by site procedures before service work.
How This Fixture Is Commonly Used
In power plant and energy site lighting, nuclear facility lighting, and boiler room lighting, fixtures are positioned at mounting heights established by the structure, equipment clearances, and required light direction. Trunnion mounting is used where the beam must be aimed toward a defined work area or equipment zone.
Industrial furnace area lighting, steel mill lighting, foundry lighting, and heat treatment facility lighting often require fixture placement outside the highest local heat exposure while maintaining illumination into the operating area. Eye-hook mounting is used where suspended mounting locations are available.
Spacing and layout vary with the selected beam angle, mounting height, and target light levels. Higher-output concentration from a narrow optic can reduce spread across adjacent areas.
Safety, Certifications, and Warranty
This fixture is ETL certified. It has an IP66 rating, IK10 impact rating, and 12kV surge protection.
The operating temperature range is -40F to 176F. The fixture includes a 5-year warranty.
Frequently Asked Questions
Q: What is the light output of this high temperature fixture?
A: The fixture delivers 6,500 lumens while consuming 50 watts.
Q: What beam angles are available?
A: The standard beam angle is 110 degrees. Optional beam angles are 30 degrees, 90 degrees, and 150 degrees.
Q: Can this fixture be dimmed?
A: No. This fixture is non-dimming.
Q: What mounting options are available?
A: The fixture is available with eye-hook or trunnion mounting.
Q: What affects fixture layout for industrial furnace area lighting?
A: Mounting height, selected beam angle, target light levels, and equipment clearances affect the layout. The supplied product data does not establish a specific spacing value.
Application Questions and Clarification
Q: Is this fixture rated for high temperature facility lighting?
A: Yes. The fixture is rated for operation in ambient temperatures from -40F to 176F.
Q: What should be confirmed for power plant and energy site lighting installations?
A: Confirm the available supply voltage matches the selected 100V-277V or 277V-480V configuration and verify the ambient temperature at the fixture location.
Q: Which mounting option supports directional aiming?
A: The trunnion mount supports directional aiming. The eye-hook mount supports suspended installation.
Web ID: 1317
