Eaton MLLA4-UNV1-S903-EM1-M2 Linear LED Fixture - IP67
Part Number: MLLA4-UNV1-S903-EM1-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV1-S903-EM1-M2
Category
Quick Summary
Eaton MLLA4-UNV1-S903-EM1-M2 is a hazardous-area linear LED light fixture for industrial environments. Facility teams often struggle with reliable illumination in locations that demand strict safety compliance and have limited maintenance windows. This unit carries Class I, Division 2 and Zone 2 ratings with IP67/NEMA 4X protection, enabling operation in dusty, wet, and demanding environments. It also features a broad voltage range and an integral emergency battery back-up, delivering sustained visibility during power interruptions. By combining rugged construction with high-efficiency performance, it supports compliance, reduces maintenance costs, and lowers total cost of ownership for plants, refineries, and offshore installations.
Product Information
Extended Description
MLLA4-UNV1-S903-EM1-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED, Cool white, 3/4" entries, Natural alum finish, 4 ft, Polycarb lens, 8000 lm, 135 lm/W, Copper-free alum, Flush ceil mt, Wide, >0.94 PF, Integral emerg battery, 120-277 Vac, 127/250 Vdc, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4-UNV1-S903-EM1-M2
UPC
786689716813
Product Length/Depth
39 in
Product Height
4.42 in
Product Width
7.13 in
Product Weight
23.5 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class I, Zone 2 Class II, Division 1 Class III
NEMA Rating
4X
Ingress protection (IP) ratings
IP67 IP66
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
Special features
Integral emergency battery back-up
Crouse-Hinds series Global LED lighting portfolio
Crouse-Hinds series Global LED lighting portfolio
Crouse-Hinds series Champ MLLA LED Linear catalog page
Champ MLLA Hazardous Area Linear LED Light Fixtures UL certification (MLLA4 with Battery Back-up)
Champ MLLA Hazardous Area Linear LED Light Fixtures UL certification (MLLA4 with Battery Back-up)
Champ MLLA Hazardous Area Linear LED Light Fixtures UL certification (MLLA4 with Battery Back-up)
Champ MLLA Hazardous Area Linear LED Light Fixtures UL certification (MLLA4 with 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
IF 1946 - MLLA-M2 Linear LED with Emergency Battery Back-up
Eaton Specification Sheet - MLLA4-UNV1-S903-EM1-M2
Eaton Specification Sheet - MLLA4-UNV1-S903-EM1-M2
Feature: High lumens with energy efficiency — 8000 lumens at 59 watts with a 135 lumen per watt efficacy. Business impact: Lower energy use per area and fewer fixtures required to achieve the same lighting level, reducing operating costs. Application: Large-span industrial halls and hazardous locations where reliable, bright illumination is essential. Feature: Broad voltage and DC compatibility — 120-277 Vac, 127/250 Vdc, 50/60 Hz. Business impact: Simplified electrical design and installation across multi-plant sites, lowering wiring complexity and spare parts needs. Application: Mixed-volt industrial environments and refurbishment projects where supply variance is common. Feature: Integral emergency battery back-up — built-in emergency power. Business impact: Immediate egress lighting and safety compliance during outages, reducing downtime and risk. Application: Hazardous-area facilities requiring uninterrupted safety lighting. Feature: Rugged enclosure and finish — copper-free aluminum, natural aluminum finish, and 4X/NEMA IP67 protection. Business impact: Superior corrosion resistance and long service life in chemical, offshore, or dusty locations, lowering maintenance costs. Application: Chemical processing, oil & gas, and mining facilities. Feature: Wide optical distribution with polycarbonate lens — wide distribution for uniform area coverage. Business impact: Better light uniformity, fewer shadows, and improved worker safety in harsh environments. Application: Production floors, assembly lines, and outdoor hazardous areas. Feature: Flush ceiling mounting and 4 ft form factor — 39 in length, 4.42 in height, 7.13 in width. Business impact: Clean ceiling aesthetics with easy retrofits and minimal installation disruption. Application: Ceiling-recessed installations in industrial plants and hazardous zones. Feature: Positive electrical performance — power factor > 0.94 and robust ingress protection. Business impact: Improved electrical efficiency, reduced utility penalties, and compliant operation under NEC/CEC. Application: General hazardous-location lighting upgrades and new builds in Class I/Division 2 facilities.
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FAQs
This fixture is designed for hazardous locations and supports Class I, Division 2 and Zone 2, with a broad voltage range (120–277 Vac, 127/250 Vdc) and a 4 ft flush-mount form factor, making it suitable for retrofit and new-install projects in challenging environments.
It carries NEC/CEC standards with hazardous location ratings including Class I, Division 2 and Zone 2, plus a NEMA 4X enclosure and IP67 protection, ensuring durability in dust, water, and chemical exposure.
It provides 8000 lumens at 59W with a efficiency of 135 lm/W, cool white color, voltage 120–277 Vac or 127/250 Vdc, frequency 50/60 Hz, and a wide optical distribution with a polycarbonate lens.
Yes, the MLLA4-UNV1-S903-EM1-M2 includes an integral emergency battery back-up for safe egress during power outages, meeting safety and regulatory requirements.
Opt for flush ceiling mounting, leverage the 4 ft length for reduced fixture counts, take advantage of the wide voltage range to simplify power distribution, and rely on IP67/NEMA 4X ruggedness to cut maintenance and replacement cycles in demanding environments.