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40 Watt Round Explosion Proof LED Light | 5600 Lumens | Class 1 Div 2 | 5000K | 100V-277V
This 40 watt round explosion proof LED fixture is a strong choice for hazardous and industrial environments requiring reliable, efficient lighting. Delivering 5600 lumens at 5000K, it effectively replaces 175 to 250 watt metal halide units while offering high efficiency and stable operation on 100V-277V systems. Its IP66 and IK10 ratings, copper free aluminum housing, and tempered glass lens ensure durability against dust, water, impact, and corrosion. Flexible yoke or pendant mounting simplifies installation in tight or overhead spaces. This fixture is well suited for chemical plants, refineries, paint shops, marine areas, and other classified hazardous locations.
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
ATEX Marking
- II 3 G Ex ec IIC T6...T3 Gc
- II 2 D Ex tb IIIC T85°C...T103°C Db
IECEx Marking
- Ex ec IIC T6...T3 Gc
- Ex tb IIIC T85°C...T100°C Db
Key Features
- Watts: 40
- Lumens: 5600
- Lumens Per Watt: 140
- Replaces: 175 or 250 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 (Hz): 50-60Hz
- Power Factor: >.95
- THD: < 10%
Durable Construction
- Housing: Copper Free Aluminum
- IP Rating: IP66
- IK Rating: IK10
- Surge Protection: 10kV
- Operating Temperature: -40°F to 140°F
- Certifications: ETL | Rebate Eligible
- Warranty: 5 years
Measurements
- Dimensions (in): 7.09 x 9.09
- Weight (lbs): 8 lbs
Product SKU Variations
- SKU: MLLG-E-LED-EXPLB-40-50-C1D2
- Voltage: 100V-277V
- SKU: MLLG-E-LED-EXPLB-40-50-HV-C1D2
- Voltage: 277V-480V
Product Overview
This is a 40 watt round explosion proof LED light designed for hazardous and wet locations. It delivers 5600 lumens at a 5000K color temperature and is built with a copper free aluminum housing. The fixture is suitable for use in Class I Division 2, Class II Division 1 and 2, and Class III environments.
The fixture operates on 100V-277V and supports 1-10V dimming. It features a tempered glass lens and is available with a standard 120 degree beam angle, with optional 40, 60, or 90 degree optics. The unit is gray in color and weighs 8 lbs.
Rated for 50,000 hours (L70), this fixture is designed for long-term operation in demanding environments. It is IP66 and IK10 rated, providing protection against dust, water, and high impact.
Mounting options include yoke or 3/4 inch NPT pendant. The fixture is ETL listed, UL 844 certified for hazardous locations, and carries ATEX and IECEx markings.
Where This Product Fits Best
This explosion proof LED light is intended for hazardous locations where flammable gases, vapors, or combustible dusts may be present. It is suitable for use in areas classified as Class I Division 2, Class II Division 1 and 2, and Class III.
The fixture is also suitable for wet locations and marine outside type environments, as covered by UL 1598 and UL 1598A. It is designed for use in industrial, chemical, petrochemical, and marine facilities where robust construction and hazardous location ratings are required.
With its IP66 and IK10 ratings, this fixture can be installed in areas exposed to water, dust, and physical impacts. The operating temperature range of -40°F to 140°F supports use in both cold and hot environments.
Performance and Functional Considerations
This fixture produces 5600 lumens at 40 watts, providing an efficacy of 140 lumens per watt. It is designed to replace 175 or 250 watt metal halide fixtures in hazardous locations.
The 5000K color temperature delivers a neutral white light suitable for task visibility. The fixture supports 1-10V dimming for output adjustment when paired with compatible controls.
Beam angle options include 120 degrees standard, with 40, 60, or 90 degree optics available for applications requiring more focused or controlled light distribution. The tempered glass lens provides durability in demanding environments.
The fixture operates on 100V-277V at 50-60Hz, with a power factor greater than 0.95 and total harmonic distortion below 10%. Surge protection is rated at 10kV.
Installation and Long-Term Use
The fixture can be mounted using either a yoke or a 3/4 inch NPT pendant, allowing flexibility for ceiling, wall, or pendant installations. The compact size (7.09 x 9.09 inches) and 8 lb weight support straightforward handling during installation.
The copper free aluminum housing resists corrosion in marine and chemical environments. The IP66 rating protects against high-pressure water and dust ingress, while the IK10 rating provides resistance to high impact.
With a 50,000 hour L70 lifespan, the fixture is designed for extended service intervals. The operating temperature range of -40°F to 140°F allows use in a wide range of climates and facility conditions.
Routine cleaning and inspection are supported by the robust construction and tempered glass lens. The fixture is designed for minimal maintenance in hazardous and wet locations.
How This Fixture Is Commonly Used
After installation, this explosion proof LED light provides consistent illumination in hazardous and wet environments. The 1-10V dimming capability allows you to adjust light output as needed for specific tasks or operational requirements.
The available beam angle options let you select the appropriate distribution for your space, whether you need wide area coverage or more focused lighting. The fixture's robust housing and lens stand up to impacts and exposure to water or dust, reducing the need for frequent maintenance.
In day-to-day operation, the fixture is relied upon for dependable lighting in areas where safety and compliance are critical. The long lifespan supports continuous use without frequent lamp changes or service interruptions.
Mounting flexibility allows you to position the fixture for optimal coverage, whether using the yoke or pendant method. The fixture remains stable and secure in demanding industrial and marine environments.
Safety, Certifications, and Warranty
This fixture is UL 844 listed for hazardous locations, including Class I Division 2, Class II Division 1 and 2, and Class III. It is also UL 1598 and UL 1598A certified for wet and marine outside type locations.
The product carries ATEX and IECEx markings for use in explosive atmospheres. It is ETL listed and ABS certified.
The fixture is IP66 rated for protection against dust and powerful water jets. IK10 rating provides resistance to high impact.
LED Lighting Supply provides a 5 year warranty on this fixture.
Frequently Asked Questions
What voltage range does this fixture support?
This fixture operates on 100V-277V.
What hazardous location classifications does this fixture meet?
This fixture is rated for Class I Division 2, Class II Division 1 and 2, and Class III environments.
What are the available mounting options?
Mounting options include yoke and 3/4 inch NPT pendant.
What certifications does this fixture carry?
This fixture is UL 844, UL 1598, UL 1598A, ETL, ABS, ATEX, and IECEx 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.



