Eaton HPAB43773LEM1 Pauluhn Summit HPA - IP66
Part Number: HPAB43773LEM1
Quick Summary
Eaton HPAB43773LEM1 linear fluorescent fixture delivers dependable hazardous-location illumination for demanding industrial facilities. In hazardous zones, maintenance downtime and compliance audits drive costly outages, making reliable lighting a business-critical must. This pendant-mount luminaire carries NEC/CEC compliance, IP66 ingress protection, and NEMA 4 ruggedness, with Class I, Division 2; Class II, Division 1 and 2; and Class III ratings. The 4 ft, 3-lamp, 48W design, plus an emergency battery-backup ballast, helps maximize uptime while reducing replacement and energy costs. For engineers and procurement teams, the combination of rugged construction, 120–277 VAC operation, and easy pendant installation supports faster deployments in hazardous-location lighting projects.
Product Information
Extended Description
HPAB43773LEM1 Eaton: Eaton Crouse-Hinds series Pauluhn Summit HPA linear fluorescent light fixture,3/4",(2) NPT hubs,4 ft,Acrylic lens,T8HO RDC,Aluminum,Pendant mount,3-lamp,Emergency battery back-up ballast,one lamp,277V maximum,Bolted door,120-277 Vac,48W
Product Name
Eaton Crouse-Hinds series Pauluhn Summit HPA linear fluorescent light fixture
Catalog Number
HPAB43773LEM1
UPC
662276645929
Product Length/Depth
50.59 in
Product Height
6.59 in
Product Width
15.92 in
Product Weight
35 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
Bolted door
Material
Aluminum
Lamp length
4 ft
Number of lamps
3-lamp
Light type
T8HO RDC
Voltage rating
120-277 Vac
Frequency rating
50/60 Hz
Mounting
Pendant
Entry size
3/4"
Entry type
(2) NPT hubs
Wattage
48W
Lens material
Acrylic
Special features
Emergency battery back-up ballast, one lamp, 277V maximum
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 - HPAB43773LEM1
Hazardous-location lighting demands robust protection and reliable performance. Feature the IP66-rated, NEMA 4 aluminum housing for corrosion resistance and washdown capability, delivering consistent illumination in demanding environments with minimal maintenance. Benefit: extended service life and reduced downtime, enabling safer operations in chemical plants or refineries. Application: use in hazardous/classified locations where ingress protection and rugged housing are non-negotiable. Feature a 4 ft, 3-lamp, 48W configuration with 120–277 VAC operation and 50/60 Hz frequency, ensuring compatibility with existing power distribution and energy management strategies. Benefit: streamlined electrical planning and lower installation complexity in new-builds or retrofits. Application: retrofit projects or new installations requiring flexible voltage tolerance. Feature pendant mounting and 3/4" entry with two NPT hubs for versatile installation angles and ease of routing wiring. Benefit: faster field deployment and reduced labor costs. Application: plant floor or platform installations where space is constrained. Feature emergency battery-backup ballast with one-lamp support, providing critical illumination during power outages. Benefit: improved safety margins and compliance with life-safety requirements. Application: emergency backup scenarios in shift-change operations or during grid interruptions.
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FAQs
HPAB43773LEM1 supports pendant mounting with a 3/4" entry and two 3/4" NPT hubs, enabling flexible routing and angles. Its 4 ft, 3-lamp design fits standard hazardous-area layouts, and the aluminum housing plus acrylic lens deliver reliable protection in Class I/II environments. This simplifies retrofits and new builds by reducing on-site modification time.
The fixture includes an emergency battery-backup ballast supporting one lamp, providing illumination during loss of primary power. This boosts safety in egress paths and critical process areas, helping meet life-safety requirements and reducing downtime during utility interruptions or maintenance outages.
Yes. The unit is designed for Hazardous/Classified Locations with NEC/CEC compliance and hazardous-area ratings including Class I Division 2, Class II Division 1, Class II Division 2, and Class III. Coupled with IP66 ingress protection and NEMA 4 enclosure, it is suitable for a wide range of hazardous environments.
With an aluminum housing and acrylic lens, HPAB43773LEM1 offers corrosion resistance and easy-clean surfaces for washdown settings. Regular checks should confirm gasket integrity and door hardware is secure. The rugged build reduces service frequency, while its emergency ballast minimizes disruptive outages during maintenance windows.
The 120–277 VAC, 50/60 Hz range supports flexible power sourcing and energy-management alignment. The long 4 ft, 3-lamp layout delivers high lumen output per fixture while keeping wattage at 48W, reducing operating costs. Easy pendant installation speeds up project timelines, lowering labor costs and accelerating time-to-light in new or retrofit installations.