Eaton HBA44571 Linear Fluorescent Light Fixture - IP66
Part Number: HBA44571
Quick Summary
The Eaton HBA44571 linear fluorescent light fixture provides dependable, through-feed illumination for hazardous and classified locations in industrial facilities. In challenging environments, maintenance, ingress, and ballast failures can drive downtime and repair costs. With NEC/CEC compliance and an IP66 rating, plus NEC hazardous ratings of Class I, Division 2; Class II, Division 1; and Class III, this fixture is engineered for safety and longevity. By combining rugged aluminum housing and an acrylic lens with a 4-lamp, 54W configuration, it delivers predictable performance while reducing replacement cycles. For procurement teams, the design supports quick installation and consistent lighting quality across demanding processes.
Product Information
Extended Description
HBA44571 Eaton: Eaton Crouse-Hinds series Pauluhn Apex HBA linear fluorescent light fixture,1/2" (2) NPT hubs,50/60 Hz,4 ft lamp,Fluorescent,Acrylic lens,T5HO mini bi-pin,Aluminum,4-lamp,Through feed,Quick release,120-277 Vac,54W
Product Name
Eaton Crouse-Hinds series Pauluhn Apex HBA linear fluorescent light fixture
Catalog Number
HBA44571
UPC
662276402003
Product Length/Depth
50.59 in
Product Height
6.53 in
Product Width
15.72 in
Product Weight
33 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class II, Division 1 Class III
NEMA Rating
4
Ingress protection (IP) ratings
IP66
Lamp type
Fluorescent
Type
Quick release
Material
Aluminum
Lamp length
4 ft
Number of lamps
4-lamp
Light type
T5HO mini bi-pin
Voltage rating
120-277 Vac
Frequency rating
50/60 Hz
Style
Through feed
Entry size
1/2"
Entry type
(2) NPT hubs
Wattage
54W
Lens material
Acrylic
Crouse-Hinds series Pauluhn Apex Hazardous Area Linear Fluorescent brochure
Crouse-Hinds series Pauluhn Apex Hazardous Area Linear Fluorescent catalog page
IF LBL1404 - Pauluhn Apex Linear Fluorescent
Eaton Specification Sheet - HBA44571
Feature:4-lamp 54W configuration with 4 ft lamps and T5HO mini bi-pin lighting. Business Impact: Delivers high lumen output with reliable color rendering in constrained hazardous spaces, reducing the number of fixtures needed and lowering installation time. Application: Suitable for chemical processing, petrochemical, and other hazardous facilities seeking durable illumination with predictable maintenance intervals. Feature:IP66 enclosure and rugged aluminum housing. Business Impact: Provides robust ingress protection against dust and water, extending service life in wet and corrosive environments. Application: Ideal for washdown areas, offshore platforms, and outdoor industrial installations where environmental sealing matters. Feature:Through-feed design with 1/2" entry hubs and quick-release access. Business Impact: Simplifies wiring and lamp maintenance, cutting downtime and labor costs during retrofits and routine service. Application: Retrofit projects and new builds requiring fast, reliable maintenance workflows. Feature:120–277 VAC, 50/60 Hz operation. Business Impact: Ensures compatibility with diverse plant electrical systems, reducing the need for transformers or power conditioning infrastructure. Application: Wide adoption in multi-line facilities and equipment rooms. Feature:4-lamp, 50/60 Hz fluorescent light with acrylic lens. Business Impact: Delivers durable, maintenance-friendly lighting with clear visibility for detail-oriented tasks. Application: Quality control benches, assembly lines, and hazardous area workstations.
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FAQs
The HBA44571 is designed for hazardous and classified locations with through-feed wiring and two 1/2" NPT hubs. It operates on 120–277 VAC at 50/60 Hz and uses a four-lamp, 54 W configuration. Its rugged aluminum housing and acrylic lens deliver reliable service in tough environments while simplifying routing and service access for compliant installations.
The fixture uses a 4-lamp arrangement with T5HO mini bi-pin lamps, delivering high lumen output and precise color rendering across long runs. The 4 ft lamp length matches common industrial layouts, while the quick-release design minimizes lamp changes and reduces maintenance downtime in hazardous areas.
This fixture carries NEC/CEC standards with Hazardous/Classified Locations ratings, including Class I Division 2, Class II Division 1, and Class III. It also features a NEMA 4 enclosure and IP66 rating, ensuring compliance for chemical plants, refineries, and similar environments while supporting regulatory audits.
Through-feed wiring and quick-release latches enable faster installation and easier service access, reducing field labor and downtime. The 1/2" entry hubs offer flexible conduit routing, and the 120–277 VAC compatibility minimizes the need for power conditioning, making retrofits and new installations simpler and more cost-effective.
The HBA44571 leverages a durable aluminum housing and acrylic lens to resist corrosion and impact, extending service life. Its 4-lamp configuration lowers replacement frequency, while reliable performance and standardized parts reduce maintenance labor and downtime, delivering measurable savings in energy, maintenance costs, and overall facility uptime.