Eaton MLLA4N-UNV1-S903D-M2 Linear LED Light Fixture - IP66
Part Number: MLLA4N-UNV1-S903D-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4N-UNV1-S903D-M2
Category
Quick Summary
The Eaton Crouse-Hinds Champ MLLA linear LED light fixture delivers bright, reliable illumination for hazardous-location facilities. Engineers often struggle to maintain consistent light levels while meeting stringent area classifications and corrosive-environment requirements. It achieves NEC/CEC compliance with IP66/IP67 protection and NEMA 4X ratings, ensuring rugged performance in tough installations. With 8000 lumens at 59 watts and a universal voltage range of 120–277 VAC (127/250 VDC), it simplifies procurement, installation, and cross-site maintenance. This combination of efficiency, protection, and documentation translates into lower operating costs and greater project predictability.
Product Information
Extended Description
MLLA4N-UNV1-S903D-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED light fixture, Cool white, 3/4" entries, Natural alum finish, 4 ft, Diffused polycarb lens, 8000 lm, 135 lm/W, Copper-free alum, Flush ceil mt, Narrow, >0.94 PF, 120-277 Vac, 127/250 Vdc, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4N-UNV1-S903D-M2
UPC
662276996823
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, Zone 2 Class II, Division 1 Class III Class I, Division 2
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
Narrow
Mounting Method
Flush ceiling
Voltage rating
120-277 Vac, 127/250 Vdc
Frequency rating
50/60 Hz
Lens material
Diffused polycarbonate
Entry size
3/4"
Finish
Natural aluminum
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.94
Crouse-Hinds series Champ MLLA LED Linear brochure
Crouse-Hinds series Champ MLLA LED Linear brochure
Crouse-Hinds series Champ MLLA LED Linear catalog page
Champ MLLA Hazardous Area Linear LED Light Fixtures UL certification
Champ MLLA Hazardous Area Linear LED Light Fixtures UL certification
Champ MLLA Hazardous Area Linear LED Light Fixtures UL certification
IF 1946 - MLLA-M2 Linear LED with Emergency Battery Back-up
IF 1946 - MLLA-M2 Linear LED with Emergency Battery Back-up
IF 1946 - MLLA-M2 Linear LED with Emergency Battery Back-up
Eaton Specification Sheet - MLLA4N-UNV1-S903D-M2
Eaton Specification Sheet - MLLA4N-UNV1-S903D-M2
Feature: High-efficiency LED source delivering 8000 lumens at 59 W (135 lm/W) D Business Impact: Lower energy consumption and reduced heat load, extending equipment life and cutting operating costs across shifts. Application: Long-throw industrial spaces and assembly lines where uniform brightness is critical. Feature: Diffused polycarbonate lens with a 4 ft form factor D Business Impact: Uniform light distribution with minimized glare reduces eye strain and improves task accuracy. Application: Hazardous-area workstations and wet environments where glare can affect safety. Feature: Copper-free aluminum construction with natural aluminum finish D Business Impact: Corrosion resistance in chemical and coastal environments lowers maintenance cycles. Application: Chemical plants, refineries, and offshore facilities. Feature: 3/4" entry size and flush ceiling mounting D Business Impact: Simplified wiring and seamless integration into ceilings, enabling faster retrofit projects and cleaner ceilings. Application: Plant retrofits and new-builds with tight installation tolerances. Feature: Universal voltage 120–277 VAC and 127/250 VDC; 50/60 Hz D Business Impact: Reduces stocking complexity and enables single-spec deployments across multiple locations. Application: Multi-site manufacturing and distributed facilities. Feature: IP66/IP67 protection and NEMA 4X rating D Business Impact: Superior ingress protection against dust, water jets, and harsh environments minimizes downtime and replacement costs. Application: Wet, dusty, or explosive-hazard areas where reliability is critical.
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FAQs
The MLLA4N-UNV1-S903D-M2 uses a flush ceiling mounting with 3/4" entry apertures, simplifying wiring and enabling a clean, integrated look in hazardous environments. This configuration supports quick retrofits and compliant installations in Class I, Division 1/2 and Class II, Division 1 areas while maintaining accessibility for maintenance.
This fixture operates at 120–277 VAC and 50/60 Hz, with a dual DC option of 127/250 VDC, drawing 59 W and delivering 8000 lumens with a power factor greater than 0.94. It is designed for universal compatibility across sites and reduces the need for multiple fixture variants.
Yes. The MLLA4N is rated for Hazardous/Classified Locations with NEC/CEC standards compliance. It carries NEMA 4X protection, IP66/IP67 ingress protection, and is certified for use in Class I, Division 1 and 2, Class II, Division 1, and Class III environments, supporting reliable operation in demanding industrial settings.
With 8000 lumens at just 59 watts (135 lm/W), the MLLA reduces energy consumption and cooling load. Its rugged, copper-free aluminum construction, long life, and minimal maintenance requirements lower replacement and service costs. The universal voltage and robust certifications also minimize downtime and simplify procurement and stocking for long-term ROI.
A broad set of resources is available, including installation sheets (IF1946 series), spec sheets, catalogs, and UL/Certification documentation. Digital assets cover wiring diagrams, mounting instructions, and hazardous-location certifications to support compliant installation, ongoing maintenance, and dependable performance across facilities.