Eaton MLLA4-UNV34-S891-M2 LED Linear Light - IP66/IP67
Part Number: MLLA4-UNV34-S891-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV34-S891-M2
Category
Quick Summary
MLLA4-UNV34-S891-M2 LED linear light fixture provides hazardous-location illumination for industrial facilities. Engineers often struggle with corrosion, downtime, and compliance in classified areas; this fixture is designed to endure harsh environments. It carries critical certifications for safe operation in hazardous environments—IP66/IP67 protection, NEMA 4X enclosure, and NEC/CEC compliance—enabling safe operation in Hazardous/Classified Locations. With 347-480 VAC compatibility, a diffused glass lens, and 8000 lumens at 59W, it delivers reliable, energy-efficient lighting. The natural aluminum, copper-free construction resists corrosion and temperature fluctuations, while flush-ceiling mounting simplifies installation and reduces maintenance downtime. This combination supports long-term cost of ownership and uptime for modern industrial lighting programs.
Product Information
Extended Description
MLLA4-UNV34-S891-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED light fixture, Cool white, 3/4" entries, Natural aluminum finish, 4 ft, Diffused glass lens, 8000 lumens, 135 lm/W, Copper-free aluminum, Flush ceiling mount, Wide, >0.98 PF, 347-480 Vac, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4-UNV34-S891-M2
UPC
662276996861
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 III Class I, Division 2 Class II, Division 1 Class I, Zone 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
Wide
Mounting Method
Flush ceiling
Voltage rating
347-480 Vac
Frequency rating
50/60 Hz
Lens material
Diffused glass
Entry size
3/4"
Finish
Natural aluminum
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.98
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 Canadian certification
Champ MLLA Hazardous Area Linear LED Light Fixtures Canadian certification
Champ MLLA Hazardous Area Linear LED Light Fixtures Canadian certification
IF 1932 - Champ Linear MLLA M2 LED Fixtures
IF 1932 - Champ Linear MLLA M2 LED Fixtures
IF 1932 - Champ Linear MLLA M2 LED Fixtures
Eaton Specification Sheet - MLLA4-UNV34-S891-M2
Eaton Specification Sheet - MLLA4-UNV34-S891-M2
Feature: 8000 lumens at 59W provides bright, uniform light with 135 lm/W efficiency. Business Impact: lowers energy costs and reduces replacement cycles in high-use areas. Application: general area lighting in chemical plants, refineries, and other hazardous locations. Feature: IP66/IP67 protection and a NEMA 4X enclosure; Business Impact: rugged against dust, water, and corrosion, minimizing unplanned downtime. Application: washdown zones, offshore installations, and outdoor hazardous areas. Feature: 347-480 VAC operation across 50/60 Hz; Business Impact: simplifies integration with existing plant power, reducing retrofit complexity and cost. Application: retrofit or new construction across multi-voltage sites. Feature: Copper-free aluminum with natural aluminum finish; Business Impact: enhanced corrosion resistance and easier handling during installation. Application: chemical exposure and coastal facilities. Feature: Diffused glass lens with wide optical distribution; Business Impact: uniform coverage, reduced hotspots, and better glare control. Application: ceiling-mounted general illumination in restricted spaces. Feature: 4 ft nominal length with flush ceiling mounting and 3/4" entry points; Business Impact: compact, streamlined installation reduces time and disturbance. Application: new builds and retrofits in restricted ceilings.
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FAQs
For hazardous locations, ensure flush ceiling mounting with 3/4 inch entry fittings and proper seal integrity to maintain IP66/IP67 protection. Verify voltage compatibility in the 347-480 VAC range and secure mounting hardware designed to withstand industrial vibrations. Follow installation sheets IF 1932, IF 1946, or IF 1939 for correct procedures and to preserve NEMA 4X enclosure integrity.
The fixture delivers 8000 lumens at 59W with 135 lm/W efficiency, providing bright, uniform illumination. It is rated IP66/IP67 and NEMA 4X, supporting Class I, Division 1 and Zone 2 locations. The wide 347-480 VAC voltage range and 50/60 Hz compatibility enable reliable operation across diverse process plants, reducing downtime and retrofit complexity.
Yes. The luminaire adheres to NEC/CEC standards and is rated for Hazardous/Classified Locations, including Class I/Division 1 and Division 2, as well as Zone 2. Its enclosure and protective ratings (NEMA 4X, IP66/IP67) ensure compliance with rigorous industrial safety requirements, making it suitable for regulated environments.
Ideal for general area lighting in chemical plants, refineries, mining, and offshore facilities, where robust protection and reliable output are critical. Its diffused glass lens and wide optical distribution reduce glare and shadows, improving operator visibility during routine inspections and maintenance while meeting strict industrial codes.
With a long service life, corrosion-resistant copper-free aluminum, and a 59W electrical draw for 8000 lumens, this fixture minimizes replacement cycles and energy costs. NEMA 4X/IP66/IP67 protection reduces maintenance downtime, while 347-480 VAC compatibility simplifies retrofits and lowers commissioning time, delivering a favorable total cost of ownership.