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250 Watt Explosion Proof Round LED Light | 35000 Lumens | Class 1 Div 2 | 5000K | 100V-277V or 277-480V
This 250 watt explosion proof round LED fixture is a strong choice for hazardous and industrial environments requiring reliable, high-output lighting. Delivering 35,000 lumens at 5000K, it efficiently replaces 1000 watt metal halide systems, reducing energy and maintenance demands. Its UL 844 hazardous location certifications, IP66 rating, and UL 1598A marine suitability ensure safe operation in areas exposed to flammable gases, dust, water, or harsh cleaning. The robust copper free aluminum housing and tempered glass lens withstand demanding conditions, while flexible mounting and beam angle options support varied layouts.
Product Description
UL Specs
- UL 844 Hazardous Locations
- Class I, Division 2, Groups A, B, C, D
- Class II, Division 1, Groups E, F, G
- Class II, Division 2, Groups F, G
- Class III
- UL 1598 Suitable for Wet Locations
- UL 1598A Marine Outside Type
- ABS
Key Features
- Watts: 250
- Lumens: 35000
- Lumens Per Watt: 140
- Replaces: 1000 Watt Metal Halide
- Voltage: 100V-277V or 277V-480V
- Color Temperature: 5000K
- CRI: 70+
- Dimming: 1-10V
- Beam Angles (Std): 120°
- Beam Angles (Opt): 40° or 60° or 90°
- Optics: Tempered Glass Lens
- Lifespan: 50,000 (L70) hours
- Mounting: Yoke or 3/4 in NPT Pendant
- Fixture Color: Gray
- Frequency: 50-60Hz
- Power Factor: >.95
- THD: < 10%
Durable Construction
- Housing: Copper Free Aluminum
- IP Rating: IP66
- Surge Protection: 10kV
- Operating Temperature: -40°F to 140°F
- Certifications: ETL | Rebate Eligible
- Warranty: 5 years
Measurements
- Dimensions: 18.9 X 15.5 in
- Weight: 37.5 lbs
Product SKU Variations
- SKU: MLLG-E-LED-EXPLB-250-50-C1D2
- Voltage: 100V-277V
- SKU: MLLG-E-LED-EXPLB-250-50-HV-C1D2
- Voltage: 277V-480V
Request IES Files
Web ID: 1961
Product Overview
This is a 250 watt explosion proof round LED light designed for hazardous and industrial environments. It delivers 35,000 lumens at 5000K color temperature and is built to replace 1000 watt metal halide fixtures.
The fixture is compatible with 100V-277V or 277V-480V input and supports 1-10V dimming. It features a tempered glass lens and a copper free aluminum housing for durability in demanding settings.
Standard beam angle is 120 degrees, with optional 40, 60, or 90 degree optics available. The fixture is gray in color and operates at 50-60Hz with a power factor greater than 0.95.
It is rated for 50,000 hours (L70) and includes 10kV surge protection. Mounting options include yoke or 3/4 inch NPT pendant.
Where This Product Fits Best
This explosion proof LED light is intended for use in hazardous locations where flammable gases, vapors, or dusts may be present. It is suitable for Class I, Division 2, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class II, Division 2, Groups F, G; and Class III environments.
The fixture is also UL 1598 rated for wet locations and UL 1598A marine outside type, making it appropriate for outdoor, marine, and wet industrial areas.
It is commonly used in chemical plants, refineries, paint shops, grain processing, and similar hazardous or wet environments. The IP66 rating allows for installation in areas exposed to dust, water jets, or heavy washdown.
With a temperature operating range from -40°F to 140°F, it can be used in both cold storage and high-heat industrial spaces.
Performance and Functional Considerations
This fixture outputs 35,000 lumens at 250 watts, providing a high efficacy of 140 lumens per watt. It is designed to replace 1000 watt metal halide systems, reducing energy use and maintenance requirements.
The 5000K color temperature delivers a neutral white light suitable for task visibility and safety in industrial settings. CRI is 70+ for general color rendering needs.
Beam angle options allow for adjustment of light distribution to suit different mounting heights or area coverage requirements. The tempered glass lens provides impact resistance and protects the optics in harsh environments.
Power factor above 0.95 and THD below 10% support stable operation on industrial electrical systems. The fixture is available in both standard and high voltage configurations for compatibility with a wide range of electrical infrastructure.
Installation and Long-Term Use
The fixture can be mounted using either a yoke bracket or a 3/4 inch NPT pendant, supporting both ceiling and pendant installations. The housing is constructed from copper free aluminum for corrosion resistance in marine and chemical environments.
At 37.5 lbs and dimensions of 18.9 x 15.5 inches, the fixture requires secure mounting and may need two-person handling during installation. The IP66 rating allows for installation in locations exposed to dust, water, or washdown procedures.
10kV surge protection is built in to help protect against voltage spikes common in industrial power systems. The fixture is designed for a 50,000 hour L70 lifespan, supporting long-term use with minimal maintenance.
Operating temperature range from -40°F to 140°F allows for use in both refrigerated and high-temperature environments without performance loss.
How This Fixture Is Commonly Used
After installation, this explosion proof LED light provides consistent illumination in hazardous and wet locations. The 1-10V dimming capability allows for integration with compatible dimming controls to adjust light levels as needed.
Beam angle selection at the time of installation determines the spread and focus of the light, supporting both wide area and targeted task lighting. The tempered glass lens and robust housing allow for routine cleaning and maintenance in demanding environments.
Once mounted, the fixture operates reliably in areas subject to dust, moisture, and temperature extremes. The high lumen output supports visibility and safety in large open spaces or areas with high ceilings.
Routine inspection is straightforward due to the accessible design and durable construction. The fixture's color temperature and output remain stable over time, supporting consistent lighting conditions for facility operations.
Safety, Certifications, and Warranty
This fixture is ETL listed. It is UL 844 Hazardous Locations certified for Class I, Division 2, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class II, Division 2, Groups F, G; and Class III.
It is UL 1598 suitable for wet locations and UL 1598A marine outside type. The fixture is ABS certified.
The product carries a 5 year warranty from LED Lighting Supply. It is IP66 rated for protection against dust and powerful water jets.
10kV surge protection is included as part of the fixture's safety features.
Frequently Asked Questions
What voltage ranges are supported?
This fixture is compatible with 100V-277V or 277V-480V input.
What is the lumen output and wattage?
At 250 watts, the fixture delivers 35,000 lumens.
What environmental ratings does this fixture have?
It is IP66 rated, UL 1598 suitable for wet locations, and UL 1598A marine outside type.
What mounting options are available?
Mounting can be done using a yoke bracket or a 3/4 inch NPT pendant.
What certifications does this fixture carry?
This fixture is ETL listed, UL 844 Hazardous Locations certified, UL 1598, UL 1598A, and ABS certified.
What is the warranty period?
LED Lighting Supply provides a 5 year warranty on this fixture.
Application Questions and Clarification
This product description reflects the provided specifications, ratings, and configuration options. For questions related to site-specific conditions, electrical compatibility, control integration, or application requirements not addressed in the provided data, our team is available to provide clarification.




