Eaton HPA46574L Linear Fluorescent Light Fixture - IP66
Part Number: HPA46574L
Quick Summary
Eaton HPA46574L linear fluorescent light fixture provides robust illumination for hazardous-area lighting in industrial facilities. Maintenance teams often contend with harsh environments, costly downtime, and difficult lamp replacements, which this fixture is designed to mitigate. It delivers NEC/CEC compliance, IP66 ingress protection, and hazardous-location ratings including Class I Division 2 and Class II/III, ensuring safe operation in demanding plants. With through-feed setup, quick-release access, and a rugged aluminum body, it supports installation efficiency and long-term lifecycle cost savings. As part of the Pauluhn Summit family, this fixture is well-suited for oil, gas, chemical, and mining applications where reliability matters.
Product Information
Extended Description
HPA46574L Eaton: Eaton Crouse-Hinds series Pauluhn Summit HPA linear fluorescent light fixture,3/4" (2) NPT hubs,50/60 Hz,4 ft lamp,Fluorescent,Acrylic lens,T5HO mini bi-pin,Aluminum,6-lamp,Lamps included,Through feed,Quick release,120-277 Vac,54W
Product Name
Eaton Crouse-Hinds series Pauluhn Summit HPA linear fluorescent light fixture
Catalog Number
HPA46574L
UPC
662276374522
Product Length/Depth
50.59 in
Product Height
6.59 in
Product Width
15.92 in
Product Weight
36 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class II, Division 1 Class II, Division 2 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
6-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
Acrylic
Special features
Lamps included
Crouse-Hinds series Pauluhn Summit Hazardous Area Linear Fluorescent brochure
Crouse-Hinds series Pauluhn Summit Hazardous Area Linear Fluorescent catalog page
IF LBL1403 - Pauluhn Summit Linear Fluorescent
Eaton Specification Sheet - HPA46574L
Feature → Business Impact → Application: The HPA46574L uses a 6-lamp, 4 ft T5HO mini bi-pin configuration with a total 54W, lamps included, delivering high-output illumination while minimizing energy costs in long runs of hazardous-area lighting projects. This translates to lower operating expenses and fewer replacements in demanding facilities such as chemical plants and refineries. Feature → Business Impact → Application: Aluminum housing with an acrylic lens provides corrosion resistance and clear visibility, improving fixture longevity in harsh environments and reducing maintenance cycles in galvanized or coastal sites. Feature → Business Impact → Application: Through-feed design with two NPT hubs and a 3/4" entry enables flexible wiring and rapid installation, cutting project timelines and improving uptime in rugged installations like offshore platforms and mining operations. Feature → Business Impact → Application: IP66, NEMA 4 ratings and NEC/CEC compliance guarantee safe performance in wet, dusty, or explosive-rated areas, helping facilities meet regulatory requirements while maintaining consistent lighting levels across zones. Feature → Business Impact → Application: 120-277 Vac, 50/60 Hz compatibility and quick-release lamps simplify inventory management and servicing, reducing total cost of ownership in multi-site operations across energy and process industries.
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FAQs
The HPA46574L is designed for hazardous/classified locations, including Class I Division 2 and Class II/III environments. It supports 120-277 VAC operation at 50/60 Hz, a 4 ft length with a 6-lamp configuration, and through-feed wiring. With (2) NPT hubs and a 3/4" entry, it enables flexible mounting and wiring in oil and gas, chemical processing, and mining applications.
Key specs include a 6-lamp T5HO mini bi-pin setup, total wattage 54W, 4 ft lamp length, 120-277 VAC input, and 50/60 Hz frequency. The fixture features an acrylic lens and aluminum housing for durability, with lamps included to simplify installation. It is rated IP66 and NEMA 4 for robust environmental protection.
Yes. The fixture carries NEC/CEC standards, is rated for Hazardous/Classified Locations (Class I Division 2, Class II/III), and offers IP66 ingress protection along with a NEMA 4 rating. These certifications ensure compliance with industry safety requirements and reliable operation in demanding industrial settings.
Installation supports through-feed wiring, quick-release access, and a 3/4" entry with (2) NPT hubs, enabling flexible mounting and fast servicing. Lamps are included, reducing per-lamp sourcing steps. Maintenance is straightforward in hazardous environments, minimizing downtime and enabling rapid lamp changes or fixture swaps without compromising safety.
Industries including oil & gas, chemical processing, mining, water treatment, and refining benefit from the HPA46574L. The 6-lamp, 54W configuration, combined with IP66/NEMA 4 protection and hazardous-location approvals, supports long-term reliability in harsh environments while streamlining installation and maintenance workflows in large-scale hazardous-area lighting projects.