Eaton DLLA4-UNV1-S903D-M2 Linear LED Light Fixture - Hazardous/Classified Locations
Part Number: DLLA4-UNV1-S903D-M2
Quick Summary
The Eaton DLLA4-UNV1-S903D-M2 linear LED light fixture delivers high illumination for hazardous locations, supporting safe, productive operations in demanding environments. Maintenance teams struggle with fragile lighting in classified zones, facing downtime and costly replacements that disrupt production schedules. This model carries IP67/IP66 ratings, a NEMA 4X enclosure, and NEC/CEC hazardous location certifications, ensuring compliance across industrial and offshore facilities. With 8000 lumens at 59 watts and a diffused polycarbonate lens, it delivers bright, uniform light that reduces hot spots and eye strain. Its flush ceiling mounting, universal 120–277 VAC (and 127/250 VDC) operation, and copper-free aluminum construction support durable, low-maintenance, cost-effective lighting for long-term ROI.
Product Information
Extended Description
DLLA4-UNV1-S903D-M2 Eaton: Eaton Crouse-Hinds series Pauluhn DLLA linear LED fixture, Cool white, 3/4" entries, Natural alum finish, 4 ft, Diffused polycarb lens, 8000 lm, 135 lm/W, Copper-free alum, Flush ceiling mt, Wide, >0.94 PF, 120-277 Vac, 127/250 Vdc, 59W
Product Name
Eaton Crouse-Hinds series Pauluhn DLLA linear LED light fixture
Catalog Number
DLLA4-UNV1-S903D-M2
UPC
786689790189
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 2 Class III
NEMA Rating
4X
Ingress protection (IP) ratings
IP67 IP66
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
Natural aluminum
Material
Copper-free aluminum
Wattage
59W
Power factor
> 0.94
Crouse-Hinds series Pauluhn DLLA LED Linear brochure
Crouse-Hinds series Pauluhn DLLA Linear LED catalog page
Pauluhn DLLA Hazardous Area Linear LED Light Fixtures UL certification
Pauluhn DLLA Hazardous Area Linear LED Light Fixtures UL certification
Pauluhn DLLA Hazardous Area Linear LED Light Fixtures UL certification
IF 1943 - Champ Linear DLLA M2 LED Light Engine Fixtures
IF 1943 - Champ Linear DLLA M2 LED Light Engine Fixtures
IF 1943 - Champ Linear DLLA M2 LED Light Engine Fixtures
Pauluhn DLLA LED Linear
Pauluhn DLLA LED Linear
The DLLA4-UNV1-S903D-M2 delivers high lumen output with efficient energy use, enabling extended intervals between maintenance cycles and lower operating costs. Feature → Business Impact → Application: High luminous flux of 8000 lm at 59 W delivers bright, uniform illumination (135 lm/W) that improves worker visibility in hazardous zones, increasing safety and productivity on industrial floors and chemical plants. Feature → Robust enclosure and ingress protection (IP67/IP66, NEMA 4X) reduces corrosion and washdown damage, translating to lower replacement costs and less downtime in offshore rigs and manufacturing corridors. Feature → Copper-free aluminum with natural finish provides corrosion resistance without heavy metals, supporting long service life in harsh environments and wastewater plants. Feature → Diffused polycarbonate lens and wide optical distribution minimize shadows and glare, improving inspection quality and reducing eye strain for operators in compliance-heavy facilities. Feature → Flush ceiling mounting with 3/4" entries supports quick retrofits and seamless integration with existing electrical infrastructure, speeding installation and reducing commissioning time. Feature → Universal voltage range 120-277 Vac and 127/250 Vdc enables cross-site deployment without complex rewiring, decreasing spare parts and simplifying procurement for multi-site OEMs. Feature → 4 ft length and 39 in product depth align with standard industrial fixture spacing, enabling scalable lighting plans with predictable maintenance intervals. Feature → Hazardous/classified location ratings and NEC/CEC compliance reassure risk managers and procurement teams, supporting safer, compliant operations in regulated environments. Industry context notes: This DLLA fixture belongs to Eaton’s Pauluhn DLLA family, with spec sheets and installation guides available to support design validation, commissioning, and lifecycle planning.
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FAQs
When installing the DLLA4-UNV1-S903D-M2 in hazardous locations, ensure adherence to NEC/CEC guidelines for Class I, Division 2, Zone 2, and related classifications. Use approved mounting hardware for flush ceiling installations, observe proper wiring practices for 120-277 VAC or 127/250 VDC supplies, and verify ingress protection (IP67/IP66) during commissioning to confirm enclosure integrity in service conditions.
This fixture delivers 8000 lumens at 59 watts, equating to about 135 lumens per watt. It uses a diffused polycarbonate lens for wide, uniform light distribution, minimizing shadows and glare. The result is improved visibility for operators and inspectors, with energy-efficient performance that reduces ongoing electricity costs.
Yes. The DLLA4-UNV1-S903D-M2 is rated for Hazardous/Classified Locations with NEC/CEC compliance and hazardous area ratings that cover Class I, Division 2 and Zone 2. It also carries NEMA 4X and IP67/IP66 protections, making it appropriate for regulated industrial plants and offshore facilities.
The fixture aligns with NEC/CEC standards and hazardous area ratings, and is supported by UL-related certification references and Eaton installation literature. Downloadable guides include installation sheets and the Pauluhn DLLA LED spec guide, enabling field validation, safe maintenance planning, and regulatory filing.
With long life LED technology, high lumen output, and rugged enclosure, the DLLA4-UNV1-S903D-M2 reduces replacement frequency and maintenance downtime. Its energy efficiency lowers ongoing power costs, while robust enclosure ratings minimize repair expenses from washdowns and exposure, delivering a favorable total cost of ownership in hazardous-location facilities.