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50 Watt LED High Temperature Light | 6500 Lumens | 5000K | 100V-277V or 277V-480V | Rated to 176F
The HT80-50 High Temperature Fixture is a perfect combination of high quality, value, powerful LED lighting rated for temperatures up to 176F. This 50 watt high temperature LED Fixture is designed with a large heat sink and is 3G vibration tested.
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) | 12.1 L X 14.4 W X 9.6 H |
| Weight (lbs) | 17.2 lbs |
Product Description
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): 12.1 L X 14.4 W X 9.6 H
- Weight (lbs): 17.2 lbs
Product SKU Variations
- SKU: MLLG-LED-HT80-50-50-110
- Voltage: 100V-277V
- SKU: MLLG-LED-HT80-50-50-110-HV
- Voltage: 277V-480V
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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.
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 is a simplified room utilization factor. It accounts for room 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.
Photometry / Simulation Note: When usable IES photometry is available for the selected fixture, this estimator uses the fixture’s IES candela data to improve the visual floor-level light distribution. 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. Actual light levels may vary based on fixture optics, mounting conditions, ceiling height, surface reflectance, obstructions, controls, voltage, installation conditions, and site-specific requirements.
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
The 50 Watt LED High Temperature Light is engineered for environments where high ambient temperatures are a constant challenge. Delivering 6500 lumens at a color temperature of 5000K, this fixture is suitable for applications requiring robust lighting solutions in extreme conditions. It operates efficiently across a wide voltage range of 100V-277V or 277V-480V, making it versatile for various industrial settings.
This light is particularly effective as a replacement for 175 Watt Metal Halide fixtures, offering improved energy efficiency and longevity. Its design includes a die-cast aluminum housing and a polycarbonate lens, ensuring durability and resistance to harsh conditions. The fixture is rated for operation in temperatures up to 176°F, making it ideal for high-temperature facilities.
Core Performance and Output
With an output of 6500 lumens and a luminous efficacy of 130 lumens per watt, this LED fixture provides substantial illumination while maintaining energy efficiency. The standard beam angle of 110° can be adjusted with optional optics of 30°, 90°, or 150° to suit specific lighting needs. The fixture's electrical performance is stable, with a power factor of 0.95 and a maximum total harmonic distortion of 20%.
While the fixture is designed for high-temperature environments, it is important to consider that excessive output may not be suitable for low mounting heights, potentially leading to glare. Additionally, uniformity may be reduced at higher mounting heights, so careful planning of installation height is recommended.
Adjustability and Control Options
This LED high-temperature light offers flexibility in installation with both eye-hook and trunnion mounting options. While it does not feature dimming capabilities, the availability of multiple beam angles allows for tailored light distribution to meet specific application requirements.
The fixture's robust design ensures consistent performance without the need for frequent adjustments, making it a reliable choice for demanding environments where maintenance access may be limited.
Longevity and Reliability
Designed for longevity, this fixture boasts a lifespan of 100,000 hours (L70), significantly reducing the need for replacements and maintenance in high-temperature settings. Its construction includes a die-cast aluminum housing and a polycarbonate lens, both contributing to its durability and resistance to environmental stressors.
The fixture's reliability is further enhanced by its IP66 and IK10 ratings, providing protection against dust, water, and impact. This makes it suitable for use in challenging industrial environments where exposure to harsh conditions is common.
Build Quality and Physical Characteristics
The fixture's die-cast aluminum housing ensures structural integrity and heat dissipation, critical for maintaining performance in high-temperature environments. The polycarbonate lens offers impact resistance, while the gray fixture color provides a neutral aesthetic suitable for various industrial settings.
With dimensions of 12.1 inches in length, 14.4 inches in width, and 9.6 inches in height, and a weight of 17.2 lbs, the fixture is compact yet robust, facilitating ease of installation and handling.
Where This Product Fits Best
This LED high-temperature light is best suited for environments where high ambient temperatures are prevalent, such as industrial facilities and energy sites.
- high temperature facility lighting
- industrial furnace area lighting
- steel mill lighting
- foundry lighting
- power plant and energy site lighting
- nuclear facility lighting
The fixture's IP66 and IK10 ratings ensure it can withstand exposure to dust, water, and impact, making it ideal for use in harsh industrial environments. Its ability to operate in temperatures up to 176°F further supports its suitability for high-temperature applications.
Installation and Long-Term Use
Installation of this fixture is straightforward, with options for eye-hook or trunnion mounting, allowing for flexibility in placement. Its compact design facilitates installation in tight spaces, while its robust construction ensures long-term reliability.
In terms of long-term use, the fixture's high efficacy and extended lifespan reduce the frequency of replacements, minimizing maintenance efforts and costs. Its ability to operate in extreme temperatures ensures consistent performance in demanding environments.
How This Fixture Is Commonly Used
This fixture is typically mounted at heights suitable for high-temperature environments, such as industrial furnace areas and steel mills. The choice of beam angle can influence spacing and layout patterns, with narrower angles providing focused illumination and wider angles offering broader coverage.
While higher output can reduce the number of fixtures needed, it may also increase the potential for glare, particularly in lower mounting scenarios. Careful consideration of mounting height and beam angle is recommended to optimize performance and minimize glare.
Safety, Certifications, and Warranty
This LED high-temperature light is ETL certified, ensuring compliance with safety standards. It features a 12kV surge protection, safeguarding against electrical surges and enhancing reliability.
The fixture is backed by a 5-year warranty, providing assurance of its quality and performance. Its IP66 and IK10 ratings confirm its suitability for use in environments where exposure to dust, water, and impact is a concern.
Frequently Asked Questions
Q: What is the maximum operating temperature for this fixture?
A: The fixture is rated for operation in temperatures up to 176°F.
Q: Can this fixture be dimmed?
A: No, this fixture does not have dimming capabilities.
Q: What are the mounting options available?
A: The fixture can be mounted using either an eye-hook or trunnion mount.
Q: What is the expected lifespan of this fixture?
A: The fixture has an expected lifespan of 100,000 hours (L70).
Q: How should I plan the spacing for these fixtures?
A: Spacing should be planned based on the chosen beam angle and mounting height to ensure optimal light distribution and minimize glare.
Application Questions and Clarification
Q: Is this fixture suitable for use in a steel mill?
A: Yes, this fixture is designed for high-temperature environments, making it suitable for use in steel mills.
Q: Can this fixture be used in a nuclear facility?
A: Yes, the fixture is suitable for use in nuclear facilities due to its high-temperature rating and robust construction.
Q: What beam angles are available for this fixture?
A: The fixture offers standard beam angles of 110° and optional angles of 30°, 90°, or 150°.
Q: Is this fixture resistant to impact?
A: Yes, the fixture has an IK10 rating, indicating high impact resistance.







