Eaton HBAB46571EM1 Linear Fluorescent Light Fixture - IP66
Part Number: HBAB46571EM1
Quick Summary
HBAB46571EM1 is a rugged Eaton Crouse-Hinds Pauluhn Apex linear fluorescent light fixture designed for hazardous locations. Engineers often struggle with reliable illumination in chemical plants and refineries where safety, maintenance, and regulatory compliance are critical. It complies with NEC/CEC standards, IP66 ingress protection, and hazardous-location ratings (Class I, Division 2; Class II, Division 1; Class III) to support safe operation. Designed for through-feed installations, this 4-foot, six-lamp fixture features an aluminum body, acrylic lens, and 54W output with an emergency battery back-up ballast for one lamp at 277V maximum, ensuring uptime during outages and inspections. For facilities seeking durable, compliant lighting with minimal maintenance, HBAB46571EM1 delivers proven performance in hazardous environments while supporting regulatory alignment and uptime.
Product Information
Extended Description
HBAB46571EM1 Eaton: Eaton Crouse-Hinds series Pauluhn Apex HBA linear fluorescent light fixture,1/2" (2) NPT hubs,4 ft,Acrylic lens,T5HO mini bi-pin,Al,6-lamp,Emergency battery back-up ballast,one lamp,277V maximum,Through feed,Bolted door,120-277 Vac,54W
Product Name
Eaton Crouse-Hinds series Pauluhn Apex HBA linear fluorescent light fixture
Catalog Number
HBAB46571EM1
UPC
662276496200
Product Length/Depth
50.59 in
Product Height
6.53 in
Product Width
15.72 in
Product Weight
34 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
Bolted door
Material
Aluminum
Lamp length
4 ft
Number of lamps
6-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
Special features
Emergency battery back-up ballast, one lamp, 277V maximum
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 - HBAB46571EM1
Feature → Business Impact → Application: Hazardous-location readiness with an aluminum housing and IP66/NEMA 4 protection protects against dust, water ingress, and corrosion, reducing maintenance cycles and downtime in chemical processing and oil & gas facilities. This translates to lower lifecycle costs and less frequent service windows in confined areas where reliability matters most. Feature → Business Impact → Application: A 4 ft, 6-lamp configuration using T5HO mini bi-pin lamps at 54W delivers efficient lumen output with favorable operating costs while maintaining robust illumination along long corridors, process bays, and outdoor-rated plant sections. This supports safer material handling and improved operator visibility in demanding environments. Feature → Business Impact → Application: Through-feed mounting with two 1/2 inch NPT hubs and a bolted door enables flexible installation and rapid servicing, minimizing downtime during retrofit projects or upgrades in existing conduit layouts. Feature → Business Impact → Application: The integrated emergency battery back-up ballast (one lamp, 277V max) guarantees visibility during power outages, supporting compliance with safety protocols and critical process monitoring in hazardous areas. Feature → Business Impact → Application: The acrylic lens and aluminum body deliver durable protection against impacts and UV exposure, while maintaining optical clarity and ease of cleaning, ideal for washdown-ready processing areas and harsh outdoor environments.
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FAQs
HBAB46571EM1 offers through-feed installation and two 1/2" NPT hubs for flexible conduit routing, plus a bolted-door access for quick maintenance. This combination supports scalable wiring layouts in confined hazardous areas, allowing fast retrofits and reliable ongoing service without compromising enclosure integrity.
This fixture is NEC/CEC compliant, rated IP66 for ingress protection, and qualified for Hazardous/Classified Locations with Class I, Division 2; Class II, Division 1; Class III ratings. It also carries a NEMA 4 enclosure rating, ensuring durability against dust, water, and corrosive environments common in industrial facilities.
The fixture operates at 120–277 VAC, 50/60 Hz, with a 54W lamp load using T5HO mini bi-pin lamps across a 4 ft length and six lamps. It includes an emergency ballast option for one lamp at 277V maximum, enabling continued operation during power interruptions and supporting facility uptime targets.
Ideal for hazardous-area illumination in chemical plants, refineries, and mining operations, HBAB46571EM1 supports long-life, low-maintenance lighting in Class I/II/III locations. Its through-feed design and robust housing make it suitable for washdown zones, outdoor installations, and high-traffic plant corridors where reliability and compliance are essential.
The emergency ballast provides one-lamp back-up at 277V, improving uptime during outages and reducing production downtime. This translates to lower maintenance frequency, less unscheduled labor, and a faster path to regulatory compliance, particularly in facilities with strict uptime requirements and critical safety systems.