Eaton MLLA4-UNV1-S903-M2 Linear LED Light - IP66

Part Number: MLLA4-UNV1-S903-M2
MLLA4-UNV1-S903-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV1-S903-M2
Category

Quick Summary

MLLA4-UNV1-S903-M2 is a high-efficiency LED light fixture designed for hazardous locations in industrial facilities. Facilities running in harsh environments often struggle with inconsistent illumination, high maintenance costs, and compliance risk. This fixture delivers NEC/CEC compliance and supports Class I Division 2, Zone 2, and Class II Division 1 environments, along with IP66/IP67 protection and a NEMA 4X enclosure. With a copper-free aluminum body and broad voltage tolerance, it keeps downtime down and uptime up. In modern plants, reliable hazardous-location lighting translates to safer operations, reduced replacement cycles, and predictable energy performance across diverse processes and locations.

Product Information

Extended Description

MLLA4-UNV1-S903-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED light fixture, Cool white, 3/4" entries, Natural alum finish, 4 ft, Polycarbonate lens, 8000 lumens, 135 lm/W, Copper-free alum, Flush ceiling mt, Wide, >0.94 PF, 120-277 Vac, 127/250 Vdc, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4-UNV1-S903-M2
UPC
662276997257
Product Length/Depth
39 in
Product Height
4.42 in
Product Width
7.13 in
Product Weight
19.5 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class III Class I, Zone 2 Class II, Division 1
NEMA Rating
4X
Ingress protection (IP) ratings
IP66 IP67
Lamp type
LED
Color temperature
Cool white
Lamp length
4 ft
Lumens
8000
Lumens per watt
135
Optical distribution
Wide
Mounting Method
Flush ceiling
Voltage rating
120-277 Vac, 127/250 Vdc
Frequency rating
50/60 Hz
Lens material
Polycarbonate
Entry size
3/4"
Finish
Natural aluminum
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.94
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Feature: High-output LED with 8000 lumens at 59W and 135 lm/W. Business Impact: Delivers bright, consistent illumination while minimizing energy consumption because more light is delivered per watt. Application: Long runs and large work areas in hazardous zones where visibility directly affects productivity and safety. Feature: Wide 4 ft form factor with flush ceiling mounting. Business Impact: Simplifies installation and reduces mounting complexity, enabling quicker retrofits and fewer ceiling penetrations. Application: Production lines and maintenance bays where ceiling-recessed fixtures are preferred for cleanroom-like visibility. Feature: Broad voltage and DC compatibility 120–277 Vac, 127/250 Vdc with 50/60 Hz. Business Impact: Flexibility reduces the need for multiple stock keeping units and minimizes wiring changes during upgrades. Application: Facilities with mixed power infrastructure or evolving electrical standards. Feature: Robust seal (IP66/IP67) and NEMA 4X enclosure. Business Impact: Elevates reliability in water, dust, and chemical exposure environments, lowering service interventions. Application: Chemical plants, offshore platforms, and other harsh locations. Feature: Copper-free aluminum, natural aluminum finish, polycarbonate lens. Business Impact: Corrosion resistance and durable optics extend service life in corrosive atmospheres while maintaining optical clarity. Application: Environments with corrosive vapors and demanding ingress protection. Feature: 59W power consumption and >0.94 PF. Business Impact: Lowers operating costs and reduces electrical infrastructure demand while meeting stringent harmonic and power quality needs. Application: Facilities prioritizing energy efficiency and electrical performance. Feature: 3/4" entry, 39 in length (approx. 4 ft) and 4 ft lamp length with wide optical distribution. Business Impact: Streamlines wiring and ensures uniform illumination across wide production areas. Application: Corridor lighting, work cells, and wet/damp processing zones requiring consistent coverage.

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FAQs

The fixture is designed for a broad input range of 120-277 VAC and 127/250 VDC, with a 50/60 Hz frequency rating. This flexibility supports mixed electrical infrastructures, simplifies upgrades, and reduces the need for multiple SKUs. In practice, you can deploy it across facilities with diverse power systems without sacrificing performance.
Yes. The unit carries NEC/CEC compliance with NEC hazardous ratings for Class I Division 2 and Zone 2, along with Class III and Class II provisions. It also features IP66/IP67 protection and a NEMA 4X enclosure, making it suitable for hazardous-location applications in chemical, oil & gas, and industrial settings.
With a copper-free aluminum body, durable polycarbonate lens, and a long operating life, the fixture reduces corrosion concerns and maintenance cycles. The wide distribution and high lumen output improve visibility, enabling longer service intervals and lower total cost of ownership in challenging facilities.
Flush ceiling mounting simplifies aesthetics and cleaning, while the 3/4" entry supports straightforward wiring. The 39 in fixture length (approx. 4 ft) and 4 ft lamp length suit long runs along production lines. Ensure ceiling access and mounting hardware are suitable for hazardous locations per local codes.
The MLLA4-UNV1-S903-M2 delivers 8000 lumens at 59W with 135 lm/W and a power factor greater than 0.94. This translates to brighter, more energy-efficient lighting with lower electrical demand, while maintaining strong ingress protection and hazardous-location certifications for safer, more compliant operations.