Eaton Crouse-Hinds UNA26 UNA union - Hazardous/Classified Locations
Part Number: UNA26
Quick Summary
UNA26 is a rugged conduit union designed to securely join rigid/IMC conduit in hazardous locations. Engineers often struggle to maintain safe, code-compliant connections in explosive atmospheres under tight installation timelines. This UNA26 delivers NEC/CEC compliance with Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III ratings, backed by UL certification and CSA listings for proven reliability. By ensuring a robust, easy-to-install connection, it supports faster turnout times and reduces rework in critical automation and process environments. For buyers, this means safer installations, predictable procurement, and alignment with industrial wiring accessories standards while simplifying ongoing maintenance and future upgrades.
Product Information
Extended Description
UNA26 Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNA union, Rigid/IMC, Male, Feraloy iron alloy, 3/4"
Product Name
Eaton Crouse-Hinds series UNA union
Catalog Number
UNA26
UPC
782274643106
Product Length/Depth
5.5 in
Product Height
3 in
Product Width
3 in
Product Weight
1.63 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
Conduit type
Rigid/IMC
Gender
Male
Material
Feraloy iron alloy
Trade size
3/4"
Crouse-Hinds series Explosionproof Conduit Unions, Elbows and Tees catalog page
Explosionproof Conduit Unions, Elbows and Tees UL certification
Explosionproof Conduit Unions, Elbows and Tees UL certification
Eaton Specification Sheet - UNA26
Feature: Feraloy iron alloy construction provides durable, rugged performance in harsh environments. Benefit: Enhanced strength and wear resistance reduce replacement frequency, lowering total cost of ownership in hazardous locations. Application: Oil and gas and chemical processing facilities where conduit fittings must withstand chemical exposure and mechanical stress. Feature: Rigid/IMC conduit compatibility with a 3/4" trade size. Benefit: Streamlined integration with standard conduit systems, shortening install time and minimizing field modifications. Application: New plant builds and retrofit projects requiring quick, compliant conduit connections in tight spaces. Feature: Male UNA26 union design for reliable, explosion-proof assemblies. Benefit: Consistent, leak-tight connections that maintain enclosure integrity and safety margins. Application: Hazardous-area control cabinets and junctions in process industries. Feature: NEC/CEC compliance plus hazardous-location ratings (Class I, II, III). Benefit: Clear regulatory alignment reduces procurement risk and accelerates audit readiness. Application: Any facility targeting strict electrical codes and hazardous-location certification. Feature: UL certification and CSA listing documentation. Benefit: Third-party validation supports supplier qualification and asset risk management. Application: Enterprise procurement programs and maintenance planning across multiple sites. Feature: Product dimensions and weight (5.5 in length, 3 in width, 3 in height, 1.63 lb). Benefit: Predictable handling, shipping, and space planning for enclosure designs. Application: Field installations with space constraints and weight limits for mounting configurations.
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FAQs
UNA26 supports rigid/IMC conduit with a 3/4 inch trade size and a male union configuration. It is designed for explosion-proof connections in hazardous locations and integrates with standard conduit fittings for straightforward field assembly and reliable performance in automated systems.
UNA26 is rated for Hazardous/Classified Locations with NEC/CEC standards and features Class I, Division 1 and 2, Class II Division 1 and 2, and Class III ratings. It also carries UL certification and CSA listing documentation, providing third-party validation for compliant installations.
UNA26 is well-suited for oil and gas facilities, chemical processing plants, mining operations, and other environments that require explosion-proof conduit unions. Its rugged construction and certifications make it a solid choice for safety-critical control cabinets and field connections in harsh surroundings.
UNA26 compliance is supported by NEC/CEC standards, NEC hazardous ratings, UL certification for explosion-proof conduit unions, and CSA listing. These certifications help with vendor qualification, regulatory audits, and consistent procurement across projects.
The Feraloy iron alloy construction delivers durability and wear resistance, reducing replacement needs and downtime. Regular inspection of joints for corrosion and thread wear is advised, with proactive replacement of worn components to preserve hazardous-location integrity and long-term return on investment.