Eaton MLLAW4-UNV1-S891-P-M2 LED light fixture - IP66/IP67

Part Number: MLLAW4-UNV1-S891-P-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLAW4-UNV1-S891-P-M2

Quick Summary

Eaton MLLAW4-UNV1-S891-P-M2 LED light fixture delivers high-efficiency illumination for hazardous locations at industrial facilities. Maintenance downtime and unpredictable outages erode uptime and inflate safety and energy costs. Designed for hazardous environments, it carries IP66/IP67 protection, NEMA 4X, and NEC/CEC approvals for Class I Zone 2 and related classifications. With 8000 lumens at 59 watts and a wide optical distribution, it delivers reliable brightness while minimizing energy use. The rugged copper-free aluminum housing and epoxy finish stand up to harsh conditions, reducing replacement cycles. This solution helps maintenance teams consolidate fixtures, simplify compliance, and lower total cost of ownership across multi-site operations.

Product Information

Extended Description

MLLAW4-UNV1-S891-P-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED fixture, Warm white, 3/4" entries, Painted gray epoxy, 4 ft, Diffused glass lens, 8000 lm, 135 lm/W, Copper-free aluminum, Flush ceiling mount, 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
MLLAW4-UNV1-S891-P-M2
UPC
662276996793
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, Zone 2 Class I, Division 2 Class II, Division 1 Class III
NEMA Rating
4X
Ingress protection (IP) ratings
IP66 IP67
Lamp type
LED
Color temperature
Warm 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
Feature: High lumen output at 8000 lm with 59 W input and a 135 lm/W efficiency. Business Impact: Lower energy consumption per area while maintaining bright, consistent illumination across large industrial spaces. Application: Open plants, warehouses, and outdoor-secure zones where reliable visibility is critical. Feature: Wide optical distribution with a diffused glass lens. Business Impact: Uniform light coverage reduces shadowing and improves worker safety and accuracy in process tasks. Application: Assembly lines, pump rooms, and electrical rooms in hazardous locations. Feature: Universal voltage and DC options 120-277 Vac, 127/250 Vdc with 50/60 Hz. Business Impact: Simplified procurement and installation, fewer part numbers, and faster commissioning. Application: Global facilities with mixed electrical systems. Feature: Copper-free aluminum housing with a painted gray epoxy finish. Business Impact: Corrosion resistance and long service life in demanding environments. Application: Chemical plants, offshore platforms, and mining sites. Feature: IP66/IP67 and NEMA 4X ratings plus hazardous-location approvals. Business Impact: Compliance with rigorous standards reduces risk of non-conformant installations and liability. Application: Area classifications including Class I Zone 2, Class II/III environments. Feature: Flush ceiling mounting and 4 ft / 39 in length with 3/4" entry. Business Impact: Easy, clean installation with minimal footprint and flexible conduit routing. Application: Overhead mounting in integrated plant spaces and safety-critical corridors. Feature: Warm white LED, diffused glass, and 59 W power draw delivering sustained brightness. Business Impact: Improved task lighting and reduced energy costs over the fixture’s life cycle. Application: Control panels, hazardous work zones, and maintenance corridors.

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FAQs

The MLLAW4-UNV1-S891-P-M2 is designed for flush ceiling installation, offering a 39 in length with a 3/4 in entry, making it ideal for tight spaces in hazardous areas. Its IP66/IP67 rating, NEMA 4X protection, and rugged aluminum construction ensure reliable performance in Zone 2 environments while simplifying mounting alignment and wiring.
The luminaire operates at 120-277 Vac and 127/250 Vdc, rated at 59 W and delivering approximately 8000 lumens with a power factor better than 0.94. It supports 50/60 Hz operation, enabling compatibility with a wide range of industrial power systems and minimizing wasted energy.
Yes. It carries IP66/IP67 protection, NEMA 4X, and hazardous-location classifications (Class I Zone 2, and related divisions). This combination ensures robust ingress protection, moisture resistance, and safe operation in demanding chemical, industrial, and hazardous settings.
The unit’s long-life LED technology and rugged housing reduce maintenance cycles, downtime, and replacement costs. By delivering high lumen output with low wattage, it lowers energy bills while maintaining consistent illumination, contributing to a favorable return on investment for facilities with ongoing reliability requirements and stringent safety standards.
Installation and certification resources are available through Eaton’s documentation library, including IF1946 instruction sheets for linear MLLA variants, and UL/IEC standard references. Access catalogs, photometric data, and spec sheets to ensure compliant, verified installations across hazardous locations.