Eaton Crouse-Hinds MLLA4-UNV1-S891-EM1-M2 LED - IP67
Part Number: MLLA4-UNV1-S891-EM1-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV1-S891-EM1-M2
Category
Quick Summary
MLLA4-UNV1-S891-EM1-M2 is a rugged Eaton Crouse-Hinds Champ linear LED fixture designed for hazardous locations. In challenging plants, downtime and noncompliance are costly; this fixture minimizes both with universal voltage compatibility and a robust copper-free aluminum housing. It carries Hazardous/Classified Locations area classification, IP67/IP66 protection, and a 4X NEMA rating, with NEC/CEC standards compliance. Engineers and maintenance teams gain reliability through integral emergency battery back-up, diffuse glass lens, and a wide optical distribution for safe, uniform illumination. This combination supports safer, code-compliant emergency lighting while reducing service calls and total cost of ownership in industrial facilities.
Product Information
Extended Description
MLLA4-UNV1-S891-EM1-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED, Cool white, 3/4" entries, Natural alum finish, 4 ft, Diffused glass lens, 8000 lm, 135 lm/W, Copper-free alum, Flush ceil mt, Wide, >0.94 PF, Battery back-up, 120-277 Vac, 127/250 Vdc, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4-UNV1-S891-EM1-M2
UPC
786689792541
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 II, Division 1 Class I, Division 2 Class III Class I, Zone 2
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
Diffused glass
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 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 (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
Champ MLLA LED Linear
Champ MLLA LED Linear
Hazardous-location compliance is embedded with NEC/CEC alignment and area classification for Class I, Division 1 and Zone 2 environments, reducing regulatory risk and inspection time while enabling safer operations in oil, gas, and chemical facilities. This translates to fewer work stoppages and a clearer path to project acceptance in demanding environments. IP67/IP66 protection and a NEMA 4X enclosure provide rugged endurance against dust, water ingress, and corrosive exposure, supporting outdoor or washdown areas and lowering maintenance cycles. The 8000 lumen output at 59 watts (135 lm/W) delivers bright, uniform light across wide spaces, reducing fixture count and optimizing energy use in aisleways, open plants, and process areas. With 4 ft length, 3/4" entry, and diffused glass, installation is straightforward in existing ceilings while maintaining aesthetic and performance standards. Its universal voltage range of 120–277 Vac and 127/250 Vdc simplifies integrations with mixed power systems and controls, cutting wiring complexity and enabling faster commissioning. Integral emergency battery back-up ensures continued illumination during power loss, supporting life-safety requirements and reducing emergency downtime. Copper-free aluminum construction and natural aluminum finish resist corrosion in harsh environments, extending service life and lowering total cost of ownership. The flush ceiling mounting option and wide optical distribution minimize glare and hot spots, delivering reliable visibility for workers and equipment monitoring.
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FAQs
The fixture supports universal voltage: 120–277 Vac and 127/250 Vdc, operating at standard 50/60 Hz. This flexibility simplifies integration with existing power systems and controls in mixed-voltage facilities, reducing soft costs during installation.
Yes. It is rated for Hazardous/Classified Locations with area classifications and NEC/CEC compliance, including Class I Division 1 and Zone 2, with IP67/IP66 protection and a NEMA 4X enclosure for rugged hazardous environments.
The MLLA4-UNV1-S891-EM1-M2 delivers 8000 lumens at 59 watts, achieving about 135 lumens per watt with a wide optical distribution and a diffused glass lens for uniform illumination across large work areas.
Yes, the fixture features integral emergency battery back-up, ensuring continued illumination during power outages and enhancing life-safety compliance in critical facilities.
Plan for a 4 ft length with 3/4" entry, flush ceiling mounting, and natural copper-free aluminum housing. The unit is designed for rugged industrial use, with a diffusion lens and IP67/IP66 sealing to resist dust and water ingress during installation and operation.