Eaton Crouse-Hinds MLLA4N-UNV1-P-M2 Linear LED Light Fixture - Hazardous/Classified Locations IP66/IP67

Part Number: MLLA4N-UNV1-P-M2
MLLA4N-UNV1-P-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4N-UNV1-P-M2
Category

Quick Summary

The MLLA4N-UNV1-P-M2 is a robust linear LED light fixture designed for hazardous locations in industrial facilities. Engineers often face downtime and failed illumination in harsh environments, making it critical to install reliable lighting that withstands vibration and washdown. This luminaire carries hazardous-location ratings including Class I, Division 2 and Zone 2, NEMA 4X, and IP66/IP67, providing safe, compliant operation across harsh industrial settings. With 8000 lumens at 135 lm/W and a 4 ft, narrow optical distribution, it supports energy efficiency, low maintenance, and safer, more productive work environments. Operating from 120-277 Vac with 59 W consumption, it helps facilities meet energy targets while simplifying procurement with a universal 4 ft footprint and flush ceiling mounting.

Product Information

Extended Description

MLLA4N-UNV1-P-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED light fixture, Cool white, 3/4" entries, Painted gray epoxy, 4 ft, Glass lens, 8000 lumens, 135 lm/W, Copper-free aluminum, Flush ceiling mount, 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-P-M2
UPC
662276997325
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 III Class I, Division 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
Narrow
Mounting Method
Flush ceiling
Voltage rating
120-277 Vac, 127/250 Vdc
Frequency rating
50/60 Hz
Lens material
Glass
Entry size
3/4"
Finish
Painted gray epoxy
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.94
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Feature: Hazardous-location certification including Class I, Division 2 and Zone 2, plus IP66/IP67 and NEMA 4X. Business impact: enables safe operation in explosive atmospheres and washdown-heavy areas, reducing regulatory risk and retrofit needs. Application: chemical processing, petrochemical plants, and other hazardous environments. Feature: High-output, efficient LED performance delivering 8000 lumens at 135 lm/W. Business impact: fewer fixtures required, lower energy costs, and improved visibility for critical tasks. Application: long corridors, work cells, and general area lighting in industrial facilities. Feature: 4 ft slim profile with glass lens and narrow optical distribution. Business impact: focused lighting reduces glare and supports target lux levels, boosting operator comfort and productivity. Application: manufacturing floors and mechanical rooms. Feature: Universal input voltage 120-277 Vac and 127/250 Vdc with 50/60 Hz compatibility. Business impact: simplifies electrical design, reduces stock variety, and eases integration with existing power rails. Application: multi-voltage sites and mixed AC/DC systems. Feature: Durable copper-free aluminum construction with painted gray epoxy finish, 3/4" entry, and flush ceiling mounting. Business impact: excellent corrosion resistance and easy installation in tight ceilings, lowering maintenance costs. Application: indoor industrial spaces with washdown potential. Feature: Documentation and support ecosystem including brochures, catalogs, installation instructions, and specification sheets. Business impact: accelerates procurement, validation, and commissioning with trusted references. Application: engineering workflows and supplier qualification processes.

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FAQs

The fixture is designed for flush ceiling mounting with a 4 ft length and 3/4 inch entry sizes. Use appropriate wiring methods for 120-277 Vac or 127/250 Vdc supplies and ensure mounting surfaces meet IP66/IP67 and NEMA 4X protection criteria. Verify Class I, Division 2 or Zone 2 classification at the site and follow Eaton installation sheets for wiring and terminal torque specifications.
It carries certified hazardous-location ratings (Class I, Division 2; Zone 2) and NEC/CEC compliance, along with IP66/IP67 protection and NEMA 4X build. This combination protects against dust, water ingress, and hazardous atmospheres, enabling safe operation in petrochemical, refining, and chemical-processing facilities without frequent lighting retrofits.
High lumen output with excellent efficiency reduces the number of fixtures needed, lowering installation time and energy costs. The bright, cool-white light improves visibility for critical tasks while maintaining lower operating temperatures, contributing to safer workflows and reduced cooling loads in manufacturing and processing plants.
Comprehensive resources are available, including Crouse-Hinds LED brochures, the MLLA catalog page, installation instruction sheets (IF1932, IF1939, IF1946), and the Eaton specification sheet. These materials streamline engineering reviews, procurement, and post-install commissioning, ensuring alignment with internal standards and regulatory requirements.
The 59 W LED delivers 8000 lumens with a long LED life, reducing maintenance intervals and replacement costs. IP66/IP67 and NEMA 4X ratings support washdown reliability, lowering risk of corrosion-related failures. Overall, uptime improves and lifecycle costs decrease, delivering a favorable return on investment for hazardous-location lighting upgrades.