Eaton UNH1 Flexible Fixture Hanger - Class I, Division 2
Part Number: UNH1
Quick Summary
Eaton UNH1 flexible fixture hanger securely supports pendant luminaires in hazardous locations. Installing in challenging Class I Division 2 environments can be time-consuming, especially when mounting components in confined spaces. This solution adheres to NEC/CEC guidelines and UL certifications for hazardous areas, offering reliable performance for safety-critical installations. The UNH1 is part of the Crouse-Hinds UNH family, designed to simplify installation and maintenance while maintaining strong compliance. For engineers and procurement teams, it delivers a lightweight, robust mounting option that integrates with Eaton’s hazardous-area lighting ecosystems and reduces lifecycle costs through durable, code-compliant performance.
Product Information
Extended Description
UNH1 Eaton: Eaton Crouse-Hinds series UNH flexible fixture hanger, Female, 125 lb, 1/2" luminaire stem size, Malleable iron, Pendant mount
Product Name
Eaton Crouse-Hinds series UNH flexible fixture hanger
Catalog Number
UNH1
UPC
782274644905
Product Weight
0.27 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
Mounting Type
Pendant
Gender
Female
Luminaire stem size
1/2"
Luminaire rated weight
125 lb
Material
Malleable iron
Crouse-Hinds series UNE and UNH Hazardous Area Flexible Fixture Hooks catalog page
UNE and UNH Hazardous Area Flexible Fixture Hooks UL certification
UNE and UNH Hazardous Area Flexible Fixture Hooks UL certification
Eaton Specification Sheet - UNH1
Feature → Business Impact → Application: Pendant mounting provides flexible placement for ceiling-mounted luminaires, enabling quicker wiring runs and fewer field modifications in constrained spaces. This translates to reduced installation time and lower labor costs for hazardous-area projects, such as chemical plants and refineries. Feature → Business Impact → Application: Malleable iron construction delivers mechanical durability in demanding environments, improving long-term reliability and lowering replacement frequency for luminaire hooks in intense plant operations. Feature → Business Impact → Application: A 1/2" luminaire stem size and female mounting interface ensure secure, vibration-resistant connections for pendant luminaires up to 125 lb, supporting heavy lighting loads in offshore facilities and other hazardous-location sites. Feature → Business Impact → Application: NEC/CEC compliance and a Class I, Division 2 rating minimize regulatory risk, simplify approvals, and streamline procurement across multi-site operations. Feature → Business Impact → Application: Lightweight weight (0.27 lb) and compatible form factor with UNE/UNH fixtures reduce handling effort during installation and maintenance while preserving mounting integrity in confined electrical rooms and walkways. Feature → Business Impact → Application: UL certifications for hazardous-area fittings provide confidence in safety performance and regulatory acceptance, supporting ongoing compliance audits and maintenance planning.
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FAQs
The UNH1 is designed for pendant mounting in hazardous locations. Begin with de-energizing the circuit, attach the female UNH1 to the luminaire stem, and secure the fixture using appropriate hardware. Confirm Class I Division 2 compliance and UL listings before energizing. The 1/2" luminaire stem accommodates most standard pendant luminaires up to 125 lb, simplifying mounting in restricted ceilings or walkways.
Yes. The UNH1 is part of the Crouse-Hinds UNH family and shares mounting conventions with UNE/UNH flexible fixture hooks. The 1/2" luminaire stem size and pendant mounting approach enable straightforward integration with compatible luminaire hooks and supports in hazardous locations, ensuring consistent installation across multiple sites.
UNH1 carries NEC/CEC compliance with a Class I, Division 2 hazardous rating, and UL certifications for hazardous-area fittings. This combination supports safe operation in hazardous locations and helps meet regulatory requirements during design reviews and field acceptance testing.
The UNH1 is rated for luminaire weights up to 125 lb and uses a 1/2" luminaire stem size with a female mounting interface. This pairing ensures secure attachment for pendant luminaires in challenging environments such as chemical plants and refineries while maintaining safe load distribution along the fixture hanger.
With a lightweight 0.27 lb profile, compatible pendant mounting, and robust malleable iron construction, UNH1 reduces handling effort, speeds up mounting, and lowers maintenance intervals. Its NEC/CEC compliance and Class I Division 2 rating also minimize rework and compliance risk, delivering faster project delivery and lower total cost of ownership in hazardous-area lighting upgrades.