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Product Description
UL Specs
- UL 844 Hazardous Locations
- Class I, Division 1, Groups C,D
- 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 2 G D
- Ex db IIB T6...T3 Gb
- Ex tb IIIC T80°C...T195°C Db
IECEx Marking
- Ex db IIB T6...T3 Gb
- Ex tb IIIC T80°C...T195°C Db
Key Features
- Watts: 80
- Lumens: 11200
- Lumens Per Watt: 140
- Replaces: 250 Watt Metal Halide
- Voltage: 100V-277V or 277V-480V
- Color Temperature: 5000K
- CRI: 70+
- Dimming: 1-10V
- Beam Angles (Std): 120°
- 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: -22°F to 122°F
- Certifications: ETL | Rebate Eligible
- Warranty: 5 years
Measurements
- Dimensions: 16 in D x 13.5 in H
- Weight: 39 lbs
Notes
- Class l, Zone 1, Group llB plus hydrogen
- Class l, Zone 2, Group llB plus hydrogen
- Zone 20 and Zone 21
- Zone 22
Product SKU Variations
- SKU: MLLG-E-LED-EXPLC-80-50-C1D1
- Voltage: 100V-277V
- SKU: MLLG-E-LED-EXPLC-80-50-HV-C1D1
- Voltage: 277V-480V
Product Overview
This hazardous location LED fixture is rated at 80 watts and delivers 11,200 lumens at 140 lumens per watt. It is designed to replace 250 watt metal halide fixtures in classified environments.
The fixture operates on either 100V-277V or 277V-480V input and supports 1-10V dimming. It produces a 5000K color temperature with a CRI of 70+ and a standard 120° beam angle through a tempered glass lens.
The housing is constructed from copper-free aluminum and finished in gray. The fixture measures 16 inches in diameter by 13.5 inches in height and weighs 39 pounds.
It is built for a 50,000 hour (L70) lifespan and includes 10kV surge protection. Mounting options include yoke or 3/4 inch NPT pendant.
Where This Product Fits Best
This fixture is intended for use in hazardous locations where flammable gases, vapors, or combustible dusts may be present. It is suitable for Class I, Division 1 and Division 2, Groups A, B, C, D; Class II, Division 1 and Division 2, Groups E, F, G; and Class III environments.
It is also rated for Class I, Zone 1 and Zone 2, Group IIB plus hydrogen, as well as Zone 20, Zone 21, and Zone 22. The fixture is suitable for wet locations and marine outside type environments.
Applications include chemical plants, refineries, grain processing, wastewater treatment, and other industrial sites requiring hazardous location lighting.
The IP66 and IK10 ratings allow use in areas exposed to dust, water jets, and high impact risk.
Performance and Functional Considerations
The fixture provides 11,200 lumens at 80 watts, supporting replacement of legacy 250 watt metal halide units. The 5000K color temperature delivers a neutral white light suitable for task visibility in industrial settings.
It operates on either 100V-277V or 277V-480V, allowing compatibility with a wide range of electrical systems. Power factor is greater than 0.95 and total harmonic distortion is less than 10%.
The fixture supports 1-10V dimming for output adjustment where compatible controls are present. The tempered glass lens and copper-free aluminum housing provide durability in demanding environments.
Operating temperature range is -22°F to 122°F, supporting use in both cold and hot locations.
Installation and Long-Term Use
Mounting options include yoke or 3/4 inch NPT pendant, allowing adaptation to ceiling, wall, or pendant installations. The fixture's weight and dimensions should be considered when planning mounting points and support structures.
The IP66 rating means the fixture can be installed in locations exposed to dust and powerful water jets. The IK10 rating allows for installation in areas where high impact resistance is required.
Surge protection is rated at 10kV, supporting long-term reliability in areas with electrical disturbances. The fixture is suitable for wet locations and marine outside type environments.
Routine maintenance is minimized by the 50,000 hour (L70) rated lifespan and robust construction. The tempered glass lens can be cleaned as needed to maintain light output.
How This Fixture Is Commonly Used
Once installed, this fixture provides consistent illumination in hazardous environments where explosive gases or dusts may be present. The 1-10V dimming capability allows you to adjust light levels if your facility uses compatible controls.
The fixture's wide 120° beam angle distributes light evenly across work areas, reducing shadowing and supporting visibility for personnel and equipment operation.
The copper-free aluminum housing and tempered glass lens hold up to impacts and harsh cleaning routines. The IP66 and IK10 ratings mean you can rely on the fixture in washdown areas or locations with frequent equipment movement.
Day-to-day, the fixture requires minimal attention beyond periodic cleaning of the lens and visual inspection for physical damage.
Safety, Certifications, and Warranty
This fixture is UL 844 listed for hazardous locations and UL 1598 suitable for wet locations. It is also UL 1598A Marine Outside Type and ABS certified.
ATEX and IECEx markings are present: II 2 G D, Ex db IIB T6...T3 Gb, and Ex tb IIIC T80°C...T195°C Db.
The fixture carries ETL and is rebate eligible. IP66 and IK10 ratings apply.
LED Lighting Supply provides a 5 year warranty on this fixture.
Frequently Asked Questions
What voltage ranges are supported?
This fixture operates on either 100V-277V or 277V-480V input.
What is the lumen output and wattage?
The fixture delivers 11,200 lumens at 80 watts.
What environmental ratings does this fixture have?
It is rated IP66 for dust and water protection and IK10 for impact resistance. It is suitable for wet locations and marine outside type environments.
What mounting options are available?
Mounting options include yoke or 3/4 inch NPT pendant.
What certifications does this fixture carry?
This fixture is UL 844 listed, UL 1598 suitable for wet locations, UL 1598A Marine Outside Type, ABS certified, ETL listed, and carries ATEX and IECEx markings.
What is the warranty period?
LED Lighting Supply provides a 5 year warranty.
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.






