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150 Watt Round Explosion Proof LED Light | 21000 Lumens | Class 1 Div 2 | 5000K | 100V-277V or 277V-480V
This 150W round explosion proof LED fixture is a strong choice for hazardous and industrial environments requiring reliable, high-output lighting. Delivering 21,000 lumens at 5000K with selectable beam angles, it effectively replaces 400W metal halide systems while offering flexibility for different lighting patterns. Its copper free aluminum housing, tempered glass lens, IP66 and IK10 ratings, and wide operating temperature range ensure durability in harsh, wet, or dusty conditions. Certified for Class I Division 2, Class II Division 1 and 2, and Class III locations, it is well suited for chemical plants, refineries, paint shops, and grain processing facilities.
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: 150
- Lumens: 21000
- Lumens Per Watt: 140
- Replaces: 400 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): 14.56 X 11.4
- Weight (lbs): 18.1 lbs
Product SKU Variations
- SKU: MLLG-E-LED-EXPLB-150-50-C1D2
- Voltage: 100V-277V
- SKU: MLLG-E-LED-EXPLB-150-50-HV-C1D2
- Voltage: 277V-480V
Product Overview
This 150 Watt Round Explosion Proof LED Light is engineered for hazardous location lighting in environments where flammable gases, vapors, or combustible dusts are present. The fixture delivers 21,000 lumens at 5000K, providing a direct replacement for 400W metal halide units in classified areas. Typical mounting includes yoke or 3/4 inch NPT pendant, supporting installation flexibility in paint booths, chemical processing, and similar hazardous environments.
Designed for use in Class I Division 2, Class II Division 1 and 2, and Class III locations, this fixture is suitable for both indoor and outdoor hazardous areas. The IP66 and IK10 ratings support use in wet, dusty, and high-impact environments, including marine and offshore applications.
Core Performance and Output
This fixture outputs 21,000 lumens at 150 watts, achieving 140 lumens per watt. The standard 120° beam angle provides broad coverage, with optional 40°, 60°, or 90° optics for controlled distribution in targeted zones. Color temperature is 5000K with a CRI above 70, supporting visual clarity in process areas and inspection zones.
Electrical performance includes universal 100-277V or 277-480V input, 1-10V dimming, power factor above 0.95, and THD below 10%. Excessive output may require increased mounting height in confined spaces to control glare. At higher mounting heights, narrower optics improve uniformity and reduce spill.
Adjustability and Control Options
The fixture supports 1-10V dimming for integration with lighting controls or manual adjustment. Multiple beam angle options allow adaptation to specific task areas, aisle layouts, or open zones. Yoke and pendant mounting options provide flexibility for ceiling, wall, or structure attachment.
Optical choices and dimming enable tailored light levels for process safety, inspection, or general area illumination. No onboard occupancy or daylight sensors are included; external controls can be integrated as needed.
Longevity and Reliability
L70 rated life is 50,000 hours, supporting long-term operation in continuous-use environments. The fixture is constructed with copper-free aluminum housing and a tempered glass lens, minimizing corrosion and impact damage in harsh conditions.
10kV surge protection is standard, reducing risk of failure from electrical disturbances. Operating temperature range is -40°F to 140°F, supporting deployment in both cold storage and high-heat process areas.
Build Quality and Physical Characteristics
The fixture measures 14.56 x 11.4 inches and weighs 18.1 lbs. Housing is copper-free aluminum with a gray finish, designed for chemical and salt resistance. The tempered glass lens is impact rated to IK10, supporting use in high-traffic or equipment areas.
Ingress protection is IP66, supporting washdown and outdoor use. Mounting options include yoke or 3/4 inch NPT pendant, with all hardware designed for hazardous location compliance. The fixture is suitable for both new construction and retrofit projects in classified areas.
Where This Product Fits Best
This fixture is designed for hazardous and classified environments where explosion proof or hazardous location lighting is required. It is suitable for both indoor and outdoor use in areas with flammable gases, vapors, dusts, or fibers. Typical installations include process areas, paint booths, chemical storage, and marine or offshore platforms.
- hazardous location lighting
- explosion proof lighting
- paint booth lighting
- chemical processing facility lighting
- oil and gas facility lighting
- refinery lighting
- marine environment lighting
- wastewater treatment lighting
Environmental characteristics include resistance to water, dust, chemicals, and impact. The fixture is suitable for classified areas requiring UL 844, ATEX, IECEx, and marine ratings.
Installation and Long-Term Use
Mounting options include yoke for surface or truss attachment and 3/4 inch NPT pendant for suspended installations. The fixture supports both ceiling and wall mounting in hazardous locations. All wiring and installation must comply with hazardous location codes and standards.
Routine maintenance is minimized by the sealed design and long LED life. The fixture?s weight and size require secure mounting points. For retrofit projects, verify compatibility with existing conduit and support structures.
How This Fixture Is Commonly Used
Typical mounting heights range from 12 to 30 feet, depending on required light levels and beam angle selection. Spacing is determined by output, beam distribution, and area classification. In paint booths and process areas, fixtures are often spaced to provide uniform coverage with minimal shadowing.
Higher output allows for wider spacing but may increase glare if mounted too low. Narrow beam optics are used for tall or focused areas, while wide optics suit open zones. Layouts are planned to maintain code compliance and minimize dark spots in hazardous environments.
Safety, Certifications, and Warranty
This fixture is certified to UL 844, UL 1598, UL 1598A, ABS, ATEX, and IECEx standards. It is rated for Class I Division 2, Class II Division 1 and 2, and Class III hazardous locations. IP66 and IK10 ratings support use in wet and high-impact areas.
Operating temperature is -40°F to 140°F. The fixture includes a 5-year warranty. All certifications and ratings are listed for reference and compliance documentation.
Frequently Asked Questions
Q: What is the maximum mounting height for effective illumination with this fixture?
A: Effective mounting heights typically range from 12 to 30 feet, depending on beam angle and required light levels.
Q: Can this fixture be used in outdoor marine or offshore environments?
A: Yes, the fixture is UL 1598A Marine Outside Type and IP66 rated for marine and offshore use.
Q: What mounting options are available?
A: Yoke and 3/4 inch NPT pendant mounting options are supported for ceiling, wall, or structure attachment.
Q: Is this fixture compatible with lighting controls?
A: The fixture supports 1-10V dimming and can be integrated with external controls; no onboard sensors are included.
Q: How should fixture spacing be planned in hazardous areas?
A: Spacing depends on mounting height, beam angle, and required uniformity; narrower optics allow for greater spacing at higher mounting heights.
Application Questions and Clarification
Q: Is this fixture suitable for use in paint booths with flammable vapors?
A: Yes, the fixture is certified for Class I Division 2 and is suitable for paint booth lighting in hazardous locations.
Q: Can this fixture be installed in chemical processing or solvent storage areas?
A: Yes, the fixture is designed for hazardous location lighting in chemical processing and solvent storage environments.
Q: Is this fixture appropriate for wastewater treatment facilities with classified areas?
A: Yes, the fixture is suitable for hazardous location lighting in wastewater treatment classified zones.
Q: Does this fixture meet requirements for oil and gas facility lighting?
A: Yes, the fixture is certified for use in oil and gas facility hazardous locations, including refineries and offshore rigs.



