Eaton Crouse-Hinds MLLA4N-UNV1-S891-WH-M2 LED Light Fixture - IP66 Rated
Part Number: MLLA4N-UNV1-S891-WH-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4N-UNV1-S891-WH-M2
Category
Quick Summary
MLLA4N-UNV1-S891-WH-M2 LED light fixture provides rugged illumination for hazardous industrial locations. Engineers often struggle with reliable, compliant lighting in classified areas where maintenance downtime is costly. This product combines NEC/CEC compliance with IP66/IP67 protection and NEMA 4X ruggedness to reduce risk in harsh environments. With 8000 lumens at 135 lm/W and a versatile 120-277 VAC (and 127/250 VDC) supply, it delivers both performance and efficiency, while a narrow optical distribution and diffused glass lens minimize glare and maintenance needs in demanding plants.
Product Information
Extended Description
MLLA4N-UNV1-S891-WH-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED fixture, Cool white, 3/4" entries, Painted white epoxy, 4 ft, Diffused glass lens, 8000 lm, 135 lm/W, Copper-free aluminum, Flush ceiling mount, Narrow, >0.94 PF, 120-277 Vac, 127/250 Vdc, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4N-UNV1-S891-WH-M2
UPC
786689780050
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 II, Division 1 Class III 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
Narrow
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 white epoxy
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.94
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Crouse-Hinds series Global LED lighting portfolio
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Crouse-Hinds series Champ MLLA LED Linear ies photometric files
Feature → Business Impact → Application: The MLLA4N-UNV1-S891-WH-M2 is a 4 ft LED linear light fixture delivering 8000 lumens at 59 W, achieving about 135 lm/W, which translates to lower energy consumption and cooler operation in high-heat spaces such as refineries and chemical plants. This directly supports energy-cost reductions and improved site safety by maintaining consistent illumination in hazard-prone zones. Application: ideal for long-span corridors, process lines, and workstations with flush ceiling mounting to maintain clean ceilings and reduce dust collection; compatibility with 3/4" entry fittings simplifies retrofits in existing housings. Feature → Business Impact → Application: Diffused glass lens and narrow optical distribution reduce glare and provide targeted illumination, improving worker accuracy and reducing eye strain in inspection areas. This is particularly valuable in hazardous locations where frequent access is required, such as Offshore platforms or chemical processing lines. Feature → Business Impact → Application: Copper-free aluminum construction and IP66/IP67 protection along with NEMA 4X rating deliver corrosion resistance and reliable operation in wet or corrosive environments, supporting longer service life and lower maintenance costs. Application: Suitable for Class I, Division 2 and Zone 2 locations, ensuring regulatory compliance while minimizing replacement cycles in harsh industrial environments. Feature → Business Impact → Application: The unit’s voltage flexibility (120-277 VAC, 127/250 VDC) and 50/60 Hz compatibility enable seamless integration with existing power systems, reducing wiring complexity and downtime during commissioning. Application: Retrofit projects and new builds in mixed electrical environments benefit from reduced engineering time and fewer part variants. Feature → Business Impact → Application: The narrow distribution and diffused glass lens offer efficient task lighting with fewer fixtures while maintaining coverage, ideal for narrow aisles and workbenches in hazardous spaces. Application: Warehouses, lineside workstations, and maintenance bays where precise illumination improves throughput and safety.
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FAQs
Install requires de-energizing circuits and mounting via the flush ceiling method. Use the 3/4 inch entry fittings for wiring, ensure proper sealing to maintain IP66/IP67 ratings, and verify Class I Division 2 or Zone 2 compatibility. The 4 ft length and diffused glass lens simplify alignment along aisles and workstations while minimizing glare.
Yes. The MLLA4N-UNV1-S891-WH-M2 carries NEC/CEC compliance with hazardous area ratings, including Class I Division 2 and Zone 2, plus NEMA 4X protection. It is designed for Hazardous/Classified Locations and supports reliable operation in wet or corrosive environments.
The luminaire runs at 120-277 VAC and 50/60 Hz, with optional 127/250 VDC and a 59 W power draw. It delivers 8000 lumens at about 135 lm/W, uses a diffused glass lens, and features a narrow optical distribution for targeted lighting, reducing energy use and improving task visibility in restricted spaces.
The fixture is IP66/IP67 rated and NEMA 4X protected, with copper-free aluminum construction and a painted white epoxy finish. This combination resists moisture, dust, and corrosion, making it suitable for coastal or chemical processing environments and reducing maintenance costs.
With 8000 lumens at 59 W and a high power factor (>0.94), the fixture lowers energy consumption while delivering durable illumination in hazardous locations. The robust IP/NEMA ratings and long service life reduce downtime and replacement frequency, delivering measurable ROI through energy savings and maintenance cost reductions.