Eaton Crouse-Hinds MLLA4-UNV1 LED Linear - IP66/IP67

Part Number: MLLA4-UNV1-S903D-EM1-P-M2
MLLA4-UNV1-S903D-EM1-P-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV1-S903D-EM1-P-M2
Category

Quick Summary

The MLLA4-UNV1-S903D-EM1-P-M2 LED linear light fixture delivers high-output illumination for hazardous locations. Engineers often face maintenance challenges and unreliable lighting in Class I, Division 2 and Zone 2 environments, where downtime can significantly impact safety and productivity. This luminaire carries NEC/CEC standards, IP66/IP67 ingress protection, and a NEMA 4X enclosure, ensuring rugged performance in harsh industrial settings. With integral emergency back-up and wide optical distribution, it combines reliability with energy efficiency, supporting regulatory compliance, reduced servicing costs, and safer operations in petrochemical, offshore, and chemical processing facilities.

Product Information

Extended Description

MLLA4-UNV1-S903D-EM1-P-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED, Cool white, 3/4" entries, Painted gray epoxy, 4 ft, Diffused polycarb 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-S903D-EM1-P-M2
UPC
786689806415
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 III Class I, Division 2 Class II, Division 1 Class I, Zone 2
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 polycarbonate
Entry size
3/4"
Finish
Painted gray epoxy
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 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) Champ MLLA and Pauluhn DLLA Linear LED and Champ VMVL Intelligent LED Fixtures UL certification (Marine) 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
Feature → Business Impact → Application: 8000 lumens at 135 lm/W with PF > 0.94 delivers bright, efficient lighting that lowers fixture counts and reduces energy spend in hazardous locations. Application: petrochemical plants and refineries seeking reliable illumination with lower operating costs. IP66/IP67 protection and a NEMA 4X enclosure prevent moisture and dust ingress, boosting uptime in wash-down zones and exterior enclosures. Application: chemical plants and marine facilities needing durable luminaires. Diffused polycarbonate lens and copper-free aluminum construction provide long life and corrosion resistance with easier maintenance. Application: harsh environments where frequent lens or housing replacements are undesirable. Integral emergency battery back-up ensures safe egress and continuous operation during power outages. Application: mandatory emergency lighting in industrial facilities and hazardous areas. Flush ceiling mounting with 3/4" entries simplifies installation and system integration. Application: retrofit projects and new builds where ceiling space is constrained and tidy wiring is essential.

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FAQs

This fixture is designed for flush ceiling mounting with 3/4 inch entries and a 39 inch body length. Ensure proper wiring within 120-277 Vac or 127/250 Vdc, and follow NEC/CEC guidelines for Class I, Division 2 or Zone 2 environments. Use appropriate cable glands and seals to preserve IP66/IP67 protection.
The MLLA4-UNV1 includes integral emergency battery back-up, enabling safe egress lighting and continued operation during power outages. This reduces downtime and supports code compliance in hazardous locations where uninterrupted illumination is critical for safety and evacuation.
The luminaire complies with NEC/CEC standards for hazardous locations, carries IP66/IP67 protection, and is housed in a NEMA 4X enclosure. These certifications are essential for reliability in offshore, chemical, and heavy industrial environments.
Plan for 8000 lumens at 59 watts, delivering about 135 lm/W with a power factor greater than 0.94. It supports a voltage range of 120-277 Vac or 127/250 Vdc at 50/60 Hz, ensuring efficient, steady illumination across typical industrial power systems.
Yes. With its 4X NEMA-rated housing, 3/4 inch entries, and flush-ceiling mounting, the MLLA4-UNV1 is well-suited for retrofits in harsh environments, offering enhanced IP66/IP67 protection and emergency backup while fitting securely into constrained ceiling spaces.