Eaton MLLA4-UNV1-1R-SRG1-M2 Linear LED - IP66

Part Number: MLLA4-UNV1-1R-SRG1-M2
MLLA4-UNV1-1R-SRG1-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV1-1R-SRG1-M2
Category

Quick Summary

MLLA4-UNV1-1R-SRG1-M2 is an LED linear light fixture designed for hazardous locations in industrial facilities. Engineers seek reliable illumination that minimizes downtime and maintenance in harsh environments, and this fixture helps address that need. It carries IP66/IP67 protection, NEMA 4X enclosure, and Class I Division 2, Zone 2 ratings to support safe operation in hazardous areas. With a copper-free aluminum housing, glass lens, and 8000 lumens at 59W, it combines durability with energy efficiency. The design supports 120-277 VAC (127/250 VDC) systems, delivering long-term value through lower operating costs and extended service life in mission-critical spaces.

Product Information

Extended Description

MLLA4-UNV1-1R-SRG1-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED, Cool, 3/4" entries w/ 1/2" reducers, Natural alum finish, 4 ft, Glass lens, 8000 lm, 135 lm/W, Copper-free alum, Flush ceil mt, Wide, >0.94 PF, ≥10kV surge, 120-277Vac, 127/250Vdc, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4-UNV1-1R-SRG1-M2
UPC
786689806385
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
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
Glass
Entry size
3/4" with 1/2" reducers
Finish
Natural aluminum
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.94
Special features
120-277 VAC integrated ≥ 10kV surge protection module
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Feature: 8000 lumens at 135 lm/W for high-visibility lighting in large industrial areas. Business Impact: Improves worker safety, reduces number of fixtures needed, and lowers energy costs due to high efficiency. Application: Ideal for expansive plant bays, warehouses, and outdoor or semi-enclosed industrial spaces where uniform illumination is essential. Feature: 4 ft length with flush ceiling mounting and 3/4" entries with 1/2" reducers. Business Impact: Streamlined installation in tight ceilings and reduced mounting hardware requirements, cutting project time. Application: Retrofit or new-build installations where ceiling space is limited and clean aesthetics matter. Feature: Electrical versatility—120-277 VAC and 127/250 VDC, 50/60 Hz; 59W; PF > 0.94; surge protection ≥10kV. Business Impact: Simplifies procurement across multiple sites and ensures reliable performance with robust power quality and surge immunity. Application: Multisite industrial facilities, chemical plants, and offshore or mining environments. Feature: IP66/IP67, NEMA 4X; Hazardous Locations ratings Class I Div 2, Zone 2; Copper-free aluminum housing. Business Impact: Compliance with stringent safety standards reduces risk and enables safe operation in hazardous areas. Application: Refineries, gas processing, and other classified locations requiring rugged, sealed lighting. Feature: Glass lens and wide optical distribution. Business Impact: Delivers uniform illumination with fewer shadows, enhancing workflow and reducing maintenance cycles. Application: Production lines, assembly floors, and inspection zones where consistent visibility matters.

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FAQs

For safe, compliant installation, use the flush ceiling mounting with the 3/4 inch entry and 1/2 inch reducers as specified. The unit is designed for 4 ft length and 39 inch overall depth, with a copper-free aluminum housing and a glass lens. Ensure electrical connections follow NEC/CEC guidelines and that the supply is within 120-277 VAC or 127/250 VDC ratings.
The MLLA4-UNV1-1R-SRG1-M2 operates at 120-277 VAC and 50/60 Hz, with 59 W power consumption and 8000 lumens, yielding 135 lm/W. It provides a power factor greater than 0.94 and features surge protection of at least 10 kV. It supports 127/250 VDC in certain configurations for flexible site power needs.
Yes. The unit is rated for Hazardous/Classified Locations with Class I Div 2, Zone 2, Class II Div 1, and Class III, plus IP66/IP67 and NEMA 4X protection. Its durable natural aluminum housing and glass lens are designed to withstand corrosive environments and washdown conditions common to chemical processing, oil & gas, and offshore facilities.
This LED fixture aligns with NEC/CEC standards and hazardous-location classifications, including Class I Division 2 and Zone 2, Class II Division 1, and Class III. It carries IP66/IP67 protection and NEMA 4X enclosure, with UL-related documentation available in certification resources. These certifications support regulatory compliance and safe operation in classified environments.
The 8000-lumen, 59W LED design delivers high efficiency (135 lm/W) and long life with minimal maintenance compared to traditional luminaires. Its surge protection, robust enclosure, and sealed optics reduce downtime and replacement costs in hazardous areas. Compatibility with wide voltage ranges simplifies multi-site rollout, driving lower total cost of ownership and faster project turnarounds.