Eaton HBAB44574LPEM1 Pauluhn Apex HBA – IP66 Rated
Part Number: HBAB44574LPEM1
Quick Summary
HBAB44574LPEM1 is a hazardous-location linear fluorescent light fixture for industrial facilities. The unit delivers robust illumination in challenging environments where downtime and safety compliance matter most. Maintenance downtime and compliance risk in harsh environments can erode productivity. It carries NEC/CEC compliance, IP66 ingress protection, and hazardous-location ratings (Class I, Division 2; Class II, Division 1; Class III) to support safe operation in demanding sites. By combining through-feed design with a durable aluminum body and polycarbonate lens, this Eaton Crouse-Hinds solution minimizes service interruptions and simplifies installation, while including lamps and an emergency battery backup ballast to boost uptime and regulatory confidence. This makes it a cost-effective choice for facilities requiring reliable, code-compliant lighting in hazardous areas.
Product Information
Extended Description
HBAB44574LPEM1 Eaton: Eaton Crouse-Hinds series Pauluhn Apex HBA linear fluorescent,3/4",(2) NPT hubs,4 ft,Polycarbonate lens,T5HO mini bi-pin,Aluminum,4-lamp,Lamps included,emergency battery back-up,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
HBAB44574LPEM1
UPC
662276620780
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
Bolted door
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
3/4"
Entry type
(2) NPT hubs
Wattage
54W
Lens material
Polycarbonate
Special features
Lamps included, 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 - HBAB44574LPEM1
Feature: Through-feed design with a bolted door, 2 NPT hubs, and a 3/4" entry. Business Impact: Simplified installation and robust wiring access reduce commissioning time and field errors. Application: Retrofit and new-build installations in demanding environments. Feature: Four-lamp 54W T5HO mini bi-pin system with 50/60 Hz operation and a 120-277 VAC range. Business Impact: High lumen output and versatile power compatibility support consistent, energy-efficient illumination. Application: General industrial spaces, chemical processing, and mining facilities. Feature: IP66 ingress protection and NEMA 4 enclosure with hazardous-location ratings (Class I, Division 2; Class II, Division 1; Class III). Business Impact: Reliable performance in dusty, wet, and corrosive environments while meeting stringent safety codes. Application: Hazardous/classified locations such as refineries and offshore facilities. Feature: Lamps included with emergency battery back-up ballast. Business Impact: Immediate readiness and continued operation during power loss, reducing risk and improving safety compliance. Application: Egress lighting and critical process areas in hazardous settings. Feature: Durable aluminum housing and polycarbonate lens with a bolted door for long service life and impact resistance. Business Impact: Lower maintenance costs and extended service intervals in harsh conditions. Application: Outdoor and industrial interiors exposed to debris, moisture, and vibration.
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FAQs
HBAB44574LPEM1 uses a through-feed design with a bolted door, two NPT hubs, and a 3/4 inch entry. With a 4 ft, 50.59 inch length and 33 lb weight, it mounts readily in retrofit or new installations. Its aluminum housing and IP66/NEMA 4 construction support safe operation in hazardous locations while meeting NEC/CEC standards.
The fixture operates at 120-277 VAC, 50/60 Hz, drawing 54 W with four-lamp T5HO mini bi-pin lamps included. It supports an emergency back-up ballast and 277 V maximum on the emergency circuit. The through-feed design enables reliable power distribution, while the wide voltage range suits most industrial power systems.
Yes. The unit carries hazardous-location ratings (Class I, Division 2; Class II, Division 1; Class III), IP66 ingress protection, and a NEMA 4 enclosure. Its aluminum body and polycarbonate lens provide ruggedness for dusty, wet, and potentially corrosive environments found in chemical plants, refineries, and mining operations.
Lamps are included, reducing installation steps and downtime. An emergency battery back-up ballast maintains illumination during power loss, supporting safety compliance. The robust construction—aluminum housing, polycarbonate lens, and bolted door—offers long service life in challenging sites, lowering replacement costs and maintenance frequency.
A set of downloadable resources is available: Crouse-Hinds Apex Hazardous Area brochure, catalog page, installation instruction IF LBL1404, and the Eaton specification sheet for HBAB44574LPEM1. These documents provide installation steps, wiring diagrams, safety considerations, and compliance references for NEC/CEC and hazardous-location approvals.