Eaton Crouse-Hinds MLLA4-UNV1-S891-P-M2 Linear LED - IP66

Part Number: MLLA4-UNV1-S891-P-M2
MLLA4-UNV1-S891-P-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV1-S891-P-M2
Category

Quick Summary

MLLA4-UNV1-S891-P-M2 is a rugged linear LED light fixture designed for hazardous locations in industrial facilities. Engineers often face downtime, maintenance costs, and compliance risk when lighting in harsh environments. This fixture supports NEC/CEC hazardous-location ratings (Class I Division 2, Zone 2) and IP66/IP67 with NEMA 4X protection for reliable operation. With 4 ft length, 8000 lumens, and 135 lm/W efficiency, it delivers high-focus illumination while minimizing energy use. The copper-free aluminum housing and epoxy finish resist corrosion, expanding service life in demanding plants. Flexible voltage (120-277 Vac, 127/250 Vdc) and flush ceiling mounting streamline installation across global sites, delivering operational value and lower total cost of ownership.

Product Information

Extended Description

MLLA4-UNV1-S891-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, Diffused glass lens, 8000 lumens, 135 lm/W, Copper-free alum, Flush ceiling mt, Wide, >0.94 PF, 120-277 Vac, 127/250 Vdc, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4-UNV1-S891-P-M2
UPC
662276997202
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, Division 2 Class III Class I, Zone 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
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
Painted gray epoxy
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.94
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 and Pauluhn DLLA Linear LED and Champ VMVL Intelligent LED Fixtures UL certification (Marine) Champ MLLA and Pauluhn DLLA Linear LED and Champ VMVL Intelligent LED Fixtures UL certification (Marine) Champ MLLA and Pauluhn DLLA Linear LED and Champ VMVL Intelligent LED Fixtures UL certification (Marine) IF 1932 - Champ Linear MLLA M2 LED Fixtures IF 1932 - Champ Linear MLLA M2 LED Fixtures IF 1932 - Champ Linear MLLA M2 LED Fixtures Champ MLLA LED Linear Champ MLLA LED Linear
Feature: Hazardous locations protection with NEC/CEC compliance and IP66/IP67 ruggedness along with a NEMA 4X enclosure. Business Impact: Enables safe operation in Class I Division 2, Zone 2 environments and reduces the need for costly custom enclosures. Application: Oil and gas plants, chemical processing facilities, and marine installations where moisture, dust, and corrosive atmospheres are present. Feature: High lumen output and efficiency. Business Impact: 8000 lumens at 59W (135 lm/W) delivers bright, uniform illumination with lower energy consumption and reduced cooling loads. Application: General area lighting, work cells, and approach lighting in hazardous locations. Feature: Diffused glass lens and wide optical distribution. Business Impact: Minimizes glare and shadowing, improving operator visibility and safety with fewer fixtures. Application: Production floors, aisles, and service corridors in hazardous areas. Feature: Global power compatibility. Business Impact: 120-277 Vac, 50/60 Hz; 127/250 Vdc; reduces need for transformers and simplifies stocking. Application: Multi-site deployments across regions and international facilities. Feature: Durable copper-free aluminum housing with epoxy finish. Business Impact: Corrosion resistance, long service life, and lighter weight for easier handling and reduced maintenance. Application: Environments with moisture, chemicals, and salt spray. Feature: Flush ceiling mounting with 3/4" entries. Business Impact: Clean, low-profile installation with faster wiring and reduced ceiling penetrations. Application: Data centers, process areas, and facilities with tight ceiling spaces.

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FAQs

The fixture supports 120-277 VAC and 127/250 VDC with a 50/60 Hz frequency, enabling installation across international facilities without transformers. Its universal voltage and robust construction simplify stocking, reduce panel engineering effort, and ensure consistent performance in multi-site deployments.
Yes. The MLLA4-UNV1-S891-P-M2 carries NEC/CEC hazardous-location ratings including Class I Division 2 and Zone 2, along with IP66/IP67 and NEMA 4X protection, making it suitable for oil and gas, chemical processing, and other demanding facilities.
Flush ceiling mounting provides a clean aesthetic and reduces fixture protrusion in tight ceilings. With 3/4" entry and a 4 ft length, wiring can be streamlined, allowing quicker timing for initial install and easier future maintenance in dense industrial spaces.
The product is designed for harsh environments and is listed for hazardous locations. Certification reports include UL Marine considerations, and the IP66/IP67 and NEMA 4X protection, combined with copper-free aluminum construction, support marine and offshore applications where corrosive exposure is a concern.
With 8000 lumens at 59W (135 lm/W) and a long service life, the MLLA4 reduces energy use and maintenance downtime compared to legacy luminaires. Its corrosion-resistant copper-free housing and sealed enclosure further extend intervals between replacements, delivering lower total cost of ownership in demanding industrial environments.