Eaton Crouse-Hinds MLLA4-UNV34-S891-WH-M2 LED Linear Fixture - IP66/IP67

Part Number: MLLA4-UNV34-S891-WH-M2
MLLA4-UNV34-S891-WH-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4-UNV34-S891-WH-M2
Category

Quick Summary

Eaton Crouse-Hinds Champ MLLA LED linear fixture provides bright, reliable illumination for hazardous locations. Engineered for Class I and II environments, it helps minimize maintenance cycles and unscheduled downtime in demanding plants. With NEC/CEC compliance, IP66/IP67 protection, and NEMA 4X construction, this luminaire resists dust, water, and corrosive conditions while meeting rigorous industry standards. Coupled with a 4 ft form factor, 59 W draw, 8000 lumens, and a high PF (>0.98), it delivers consistent light levels over long lifetimes. By combining robust performance with simple flush-ceiling mounting and 347–480 Vac operation, it reduces installation time and total cost of ownership for facilities relying on hazardous-area lighting.

Product Information

Extended Description

MLLA4-UNV34-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 lumens, 135 lm/W, Copper-free aluminum, Flush ceiling mount, Wide, >0.98 PF, 347-480 Vac, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4-UNV34-S891-WH-M2
UPC
786689810078
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 III 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
347-480 Vac
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
> 0.98
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Feature: 8000 lumens at 59W with 135 lm/W; Business impact: high-efficiency output reduces energy use while maintaining bright, uniform illumination; Application: long runs and work cells in hazardous zones where visibility is critical. Feature: Wide optical distribution with a diffused glass lens; Business impact: minimizes glare and hot spots, improving task accuracy and safety; Application: pump rooms and mechanical spaces with variable lighting needs. Feature: Input voltage 347–480 VAC at 50/60 Hz; Business impact: flexible integration into existing plant power without transformers; Application: retrofit projects across multi-site facilities. Feature: IP66/IP67, NEMA 4X with copper-free aluminum and epoxy finish; Business impact: superior protection against dust, moisture, and corrosion, lowering maintenance costs; Application: chemical plants, refineries, and mining environments. Feature: 4 ft length, flush ceiling mounting, 3/4" entry; Business impact: quick installation with minimal ceiling disruption; Application: new builds and upgrades in overhead lighting corridors. Feature: Efficient power factor (>0.98) and organized form factor; Business impact: reduced reactive power and improved power quality for facility-wide reliability; Application: continuous processes and safety-critical areas.

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FAQs

For hazardous-area installations, ensure flush-ceiling mounting to minimize ceiling intrusion and verify compatibility with 3/4 inch entries. The fixture operates on 347–480 VAC and is designed to meet Class I/II and Zone 2 requirements. Use appropriate wiring methods and following NEC/CEC guidelines. The 4 ft length supports seamless integration into standard industrial layouts.
Key specs include 8000 lumens at 59 W with a 135 lm/W efficiency, 347–480 VAC input, and 50/60 Hz operation. The unit features a diffused glass lens for uniform light distribution and a high power factor (>0.98). It is rated IP66/IP67 and NEMA 4X, ensuring reliable performance in dusty, wet, and corrosive environments.
Yes. The MLLA4-UNV34-S891-WH-M2 is designed for Hazardous/Classified Locations with NEC/CEC compliance. It carries Class I, Division 2 and Zone 2 ratings, as well as Class II Division 1 and Class III options, providing robust protection in chemical plants, refineries, and other challenging industrial spaces.
The fixture meets NEC/CEC requirements and carries IP66/IP67 ingress protection and NEMA 4X enclosure protection. It is certified for Hazardous Locations and Class I/II/III operation, including Division 1 and Zone 2 where applicable, ensuring compliance with stringent regulatory and safety expectations in industrial settings.
The LED design delivers long life with high PF, reducing maintenance for lamp replacement and frequent re-lamping. The robust IP66/IP67/NEMA 4X protection minimizes external wear, lowering service intervals. Energy efficiency (59W for 8000 lm) translates to meaningful energy cost savings and lower total cost of ownership over the fixture’s lifecycle.