Eaton MLLA4N-UNV34-S891-P-M2 LED Fixture - IP66
Part Number: MLLA4N-UNV34-S891-P-M2
Manufacturer
Eaton Crouse-Hinds
Part number
MLLA4N-UNV34-S891-P-M2
Category
Quick Summary
The Eaton Crouse-Hinds Champ MLLA4N-UNV34-S891-P-M2 is a LED linear light fixture designed for hazardous and classified locations. It delivers high-output illumination for harsh industrial environments while minimizing maintenance. Many engineers struggle with lighting that survives chemical, dust, and moisture exposure while meeting strict NEC/CEC guidelines. This luminaire carries robust certifications, including NEMA 4X, IP66/IP67 enclosures, and hazardous-location ratings (Class I Zone 2, Division 2; Class II Division 1; Class III), ensuring safe operation and long service life. The design also prioritizes energy efficiency and reliability, with 8000 lumens at 59W and a PF > 0.98 at 347–480 Vac. By combining rugged construction with flexible electrical input and a narrow diffusion profile, it supports predictable maintenance costs and faster project delivery for critical facilities.
Product Information
Extended Description
MLLA4N-UNV34-S891-P-M2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Champ MLLA linear LED fixture, Cool white, 3/4" entries, Painted gray epoxy, 4 ft, Diffused glass lens, 8000 lumens, 135 lm/W, Copper-free aluminum, Flush ceiling mount, Narrow, >0.98 PF, 347-480 Vac, 59W
Product Name
Eaton Crouse-Hinds series Champ MLLA linear LED light fixture
Catalog Number
MLLA4N-UNV34-S891-P-M2
UPC
662276997080
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
Cool white
Lamp length
4 ft
Lumens
8000
Lumens per watt
135
Optical distribution
Narrow
Mounting Method
Flush ceiling
Voltage rating
347-480 Vac
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
> 0.98
Crouse-Hinds series Champ MLLA LED Linear brochure
Crouse-Hinds series Champ MLLA LED Linear brochure
Crouse-Hinds series Champ MLLA LED Linear catalog page
Champ MLLA Hazardous Area Linear LED Light Fixtures Canadian certification
Champ MLLA Hazardous Area Linear LED Light Fixtures Canadian certification
Champ MLLA Hazardous Area Linear LED Light Fixtures Canadian certification
IF 1932 - Champ Linear MLLA M2 LED Fixtures
IF 1932 - Champ Linear MLLA M2 LED Fixtures
IF 1932 - Champ Linear MLLA M2 LED Fixtures
Champ MLLA LED Linear
Champ MLLA LED Linear
Feature: High-output LED performance with 8000 lumens at 59W provides substantial energy savings and consistent task illumination in hazardous spaces. Business Impact: Lower operating costs and improved lighting reliability cut total cost of ownership, especially on long-run production lines. Application: Ideal for chemical plants, refineries, and maintenance corridors where space is constrained and glare must be minimized. Feature: Narrow optical distribution with a diffused glass lens concentrates light where it’s needed while reducing stray light. Business Impact: Enhanced visibility for critical tasks and safer work environments, lowering incident risk. Application: Aisles, mezzanines, and equipment cells in restricted zones. Feature: 347–480 Vac input with 50/60 Hz operation and a PF > 0.98. Business Impact: Flexible grid compatibility and reduced energy waste, simplifying electrical design and panel space. Application: Industrial plants with mixed voltage architectures. Feature: Copper-free aluminum housing with painted gray epoxy finish and IP66/IP67/NEMA 4X protection. Business Impact: Superior corrosion resistance and lifecycle reliability in wet, dusty, or chemically aggressive environments. Application: Offshore platforms, chemical processing, and outdoor hazardous locations. Feature: 4 ft length with 3/4" entry points and flush ceiling mounting. Business Impact: Easy retrofits and fast installation with minimal ceiling disruption. Application: Ceiling-recessed lighting upgrades in existing hazardous-area infrastructure. This combination of rugged build, energy efficiency, and installation flexibility supports faster project delivery while meeting stringent standards for hazardous locations and industrial environments.
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FAQs
The MLLA4N-UNV34-S891-P-M2 installs with a flush ceiling mounting and 3/4" entry, supporting 347–480 Vac at 50/60 Hz. Its copper-free aluminum body, IP66/IP67 enclosure, and NEMA 4X rating ensure compatibility with Class I Zone 2 and other hazardous locations. Use the provided installation sheets and mounting hardware for a compliant retrofit or new install.
Key specs include 8000 lumens at 59W, resulting in ~135 lm/W, voltage range 347–480 Vac, and PF > 0.98. The 4 ft length, narrow optical distribution, and diffused glass lens optimize light delivery while minimizing glare. The fixture operates on 50/60 Hz, making it suitable for varied industrial power systems.
Yes. The MLLA4N-UNV34-S891-P-M2 is rated for Hazardous/Classified Locations with Class I Zone 2 and Division 2 approvals, plus Class II Division 1 and Class III, along with NEMA 4X and IP66/IP67 protection, delivering safe operation in chemical processing and other hazardous spaces.
The product complies with NEC/CEC standards for hazardous locations and features NEC hazardous ratings (Class I Zone 2; Division 2; Class II Division 1; Class III), along with NEMA 4X and IP66/IP67 ratings. This combination supports regulatory compliance, safer operations, and easier procurement for safety-critical spaces.
With 8000 lumens at 59W and a long-life LED design, maintenance intervals are extended, reducing downtime. The robust enclosure and corrosion resistance lower replacement costs in harsh environments. The energy efficiency translates to noticeable annual energy savings and a favorable total cost of ownership over traditional luminaires.