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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: 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: 7.09 x 9.09 in
- Weight: 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 industrial environments. It delivers 5600 lumens at 5000K daylight color temperature and is built to replace 175 to 250 watt metal halide fixtures.
The fixture operates on 100V-277V and supports 1-10V dimming. It features a tempered glass lens, copper free aluminum housing, and is finished in gray. The fixture measures 7.09 by 9.09 inches and weighs 8 pounds.
Rated for 50,000 hours (L70), this light is suitable for continuous operation in demanding locations. It is available with yoke or 3/4 inch NPT pendant mounting options.
The fixture is IP66 and IK10 rated, providing protection against dust, water, and high impact. It includes 10kV surge protection and operates in temperatures from -40°F to 140°F.
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, Class II Division 1 and 2, and Class III environments.
Common applications include industrial facilities, chemical plants, refineries, paint shops, and marine environments. The fixture is also suitable for wet locations and marine outside type areas.
Its compact size and mounting flexibility allow installation in tight or overhead spaces where robust, sealed lighting is required. The fixture is designed for areas where impact resistance and ingress protection are critical.
Performance and Functional Considerations
The fixture outputs 5600 lumens at 140 lumens per watt, providing high efficiency for hazardous area lighting. The 5000K color temperature delivers a daylight-white appearance for clear visibility.
Beam angle options include 120° standard, with 40°, 60°, and 90° optics available for targeted illumination. The CRI is 70+, suitable for general industrial tasks.
Power factor is greater than 0.95 and total harmonic distortion is less than 10%, supporting stable operation on industrial electrical systems. The fixture supports 1-10V dimming for output adjustment.
Surge protection is rated at 10kV, and the fixture is designed to withstand high vibration and impact with an IK10 rating. The IP66 rating protects against dust and powerful water jets.
Installation and Long-Term Use
The fixture can be mounted using either a yoke bracket or a 3/4 inch NPT pendant, allowing for ceiling, wall, or pendant installations. The copper free aluminum housing resists corrosion in harsh environments.
With a weight of 8 pounds and compact dimensions, the fixture is manageable for single-person installation. The tempered glass lens is designed for durability and easy cleaning.
The fixture operates reliably in ambient temperatures from -40°F to 140°F. The 50,000 hour rated life supports long-term use with minimal maintenance requirements.
Routine inspection and cleaning are recommended to maintain optical performance, especially in dusty or corrosive environments.
How This Fixture Is Commonly Used
After installation, this explosion proof LED light provides consistent illumination in hazardous areas where legacy metal halide fixtures were previously used. The fixture's output and color temperature support visual tasks in process areas, walkways, and equipment zones.
The 1-10V dimming capability allows you to adjust light levels as needed for specific tasks or energy management. The fixture remains sealed and protected against dust and water during normal operation and cleaning cycles.
Mounting flexibility allows the fixture to be aimed or positioned to direct light where it is needed most. The robust housing and lens withstand impacts and vibration from equipment or facility operations.
In day-to-day use, the fixture requires minimal attention beyond periodic cleaning and inspection. The long rated life reduces the frequency of lamp changes and associated downtime.
Safety, Certifications, and Warranty
This fixture is ETL listed. It is UL 844 certified for hazardous locations and UL 1598/1598A certified for wet and marine outside type locations.
The fixture is rated 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.
It carries ABS certification and is IP66 and IK10 rated for ingress and impact protection. The fixture is also ATEX and IECEx marked for applicable hazardous area use.
LED Lighting Supply provides a 5 year warranty on this fixture.
Frequently Asked Questions
What voltage does this fixture support?
This fixture operates on 100V-277V.
What is the lumen output and wattage?
The fixture delivers 5600 lumens at 40 watts.
What environmental ratings does this fixture have?
The fixture is IP66 and IK10 rated.
What mounting options are available?
Mounting options include yoke and 3/4 inch NPT pendant.
What certifications does this fixture carry?
This fixture is ETL listed, UL 844, UL 1598, UL 1598A, ABS certified, and carries ATEX and IECEx markings.
What is the warranty period?
The fixture has a 5 year warranty from LED Lighting Supply.
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.




