Eaton Crouse-Hinds MLLA4N-UNV34-S903-M2 Linear LED Light Fixture - IP66/IP67 Hazardous Locations

Part Number: MLLA4N-UNV34-S903-M2
MLLA4N-UNV34-S903-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4N-UNV34-S903-M2
Category

Quick Summary

MLLA4N-UNV34-S903-M2 is a high-efficiency linear LED light fixture for hazardous-location illumination. Maintenance teams often contend with unreliable lighting in Class I/Division environments where dust, moisture, and corrosives accelerate performance degradation. This unit delivers IP66/IP67 protection, a NEMA 4X rating, and NEC/CEC compliance to support safe, code-ready operation in harsh industrial settings. Designed for rugged facilities, it combines a 4 ft form factor with 8000 lumens at 135 lm/W and a 347–480 VAC input to optimize energy use and uptime while simplifying system integration and maintenance planning.

Product Information

Extended Description

MLLA4N-UNV34-S903-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED light fixture, Cool white, 3/4" entries, Natural aluminum finish, 4 ft, Polycarbonate lens, 8000 lumens, 135 lm/W, Copper-free aluminum, Flush ceiling mount, Narrow, >0.98 PF, 347-480 Vac, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4N-UNV34-S903-M2
UPC
662276997134
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 II, Division 1 Class I, Division 2 Class I, Zone 2 Class III
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
347-480 Vac
Frequency rating
50/60 Hz
Lens material
Polycarbonate
Entry size
3/4"
Finish
Natural aluminum
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.98
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8000 lumens at 59 W deliver bright, energy-efficient illumination, reducing operating costs and cooling loads while maintaining excellent visibility for critical tasks in hazardous environments. IP66/IP67 ingress protection and a NEMA 4X enclosure protect against water, dust, and corrosion, significantly extending service life and lowering maintenance cycles on chemical plants, offshore platforms, and refineries. The 347-480 VAC, 50/60 Hz compatibility simplifies integration with existing power systems, avoiding costly transformers or power conditioning. Copper-free aluminum construction with a natural aluminum finish provides robust corrosion resistance in harsh atmospheres, improving fixture longevity and reducing replacement costs. A polycarbonate lens offers impact resistance and reliability in heavy-use areas, while a 4 ft, flush-ceiling mounting design enables clean, retrofit-friendly installations with minimal ceiling disruption. Overall, the fixture supports a reduced total cost of ownership through long life, low maintenance, and predictable performance in industrial facilities.

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FAQs

This fixture uses a flush ceiling mounting with 3/4" entry points and a 4 ft length to minimize ceiling intrusion. Its 347-480 VAC operation and 50/60 Hz compatibility simplify integration with existing power systems. Ensure compliance with NEC/CEC and area classifications (Hazardous/Classified Locations) and follow proper grounding and wiring practices per installation sheets.
Yes. The unit is rated for Hazardous/Classified Locations with NEC hazardous ratings that include Class I, Division 1 and related zones, providing safe operation in potentially explosive atmospheres when installed per the installation instructions and applicable codes.
With IP66/IP67 protection and a NEMA 4X enclosure, the fixture resists dust, water ingress, and corrosion, reducing failure rates. The copper-free aluminum housing and polycarbonate lens further extend life by resisting corrosion and impact, lowering replacement cycles and maintenance costs in chemical plants, offshore facilities, and mining operations.
The luminaire complies with NEC/CEC standards for hazardous locations and carries IP66/IP67 ingress protection, along with a NEMA 4X rating. UL certification data and listed installation instructions support compliance in verified facilities, while the Class II, Division 1 and Class I, Division 2 ratings cover a broad set of hazardous area classifications.
The 8000 lumen output at 59 W yields high efficacy (135 lm/W), delivering bright illumination with lower energy use and reduced cooling loads. Rugged construction minimizes maintenance and replacement costs in harsh environments, while the long service life and straightforward installation accelerate project ROI in harsh industrial applications.