Eaton Crouse-Hinds UNA16 Union - Explosionproof
Part Number: UNA16
Quick Summary
UNA16 union from Eaton Crouse-Hinds provides a rugged rigid/IMC conduit connection for hazardous locations. Installers often face misalignment, corrosion, and difficult field assemblies in tough industrial environments. This product carries NEC/CEC compliance with hazardous-location ratings for Class I, II, and III environments (Division 1 and 2), ensuring safe operation across diverse plants. Its Feraloy iron alloy body delivers durable, corrosion-resistant performance, while the 1/2 in trade size and compact 5 in length simplify routing in tight spaces. By combining robust construction with straightforward installation, UNA16 reduces downtime, lowers replacement costs, and supports compliant, long-term wiring connections in critical equipment and hazardous-area applications.
Product Information
Extended Description
UNA16 Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNA union, Rigid/IMC, Male, Feraloy iron alloy, 1/2"
Product Name
Eaton Crouse-Hinds series UNA union
Catalog Number
UNA16
UPC
782274643007
Product Length/Depth
5 in
Product Height
2.75 in
Product Width
2.75 in
Product Weight
1.11 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
1/2"
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 - UNA16
Feature: Feraloy iron alloy body delivers rugged durability in harsh environments. Benefit: Longer service life and reduced maintenance costs in hazardous locations. Application: Conduit unions in chemical plants, oil refineries, and offshore facilities where corrosion resistance and strength are critical. Feature: 1/2 in trade size and compact 5 in length with 2.75 in width and height. Benefit: Easier routing, faster field assembly, and minimal panel intrusion. Application: Space-constrained panel wiring and conduit runs in industrial automation installations. Feature: Conduit type compatibility with rigid/IMC and male connection. Benefit: Streamlined integration with standard conduit systems, reducing fitting variety and inventory costs. Application: New builds and retrofit projects across manufacturing lines and process plants. Feature: NEC/CEC compliance with hazardous-location ratings (Class I, Division 1&2; Class II, Division 1&2; Class III). Benefit: Regulatory confidence and safer operation, supporting audits and safety programs. Application: Electrical installations in hazardous areas such as chemical processing, oil and gas, and mining. Feature: Availability of full documentation and certifications (UL/CSA listings and Eaton spec sheet). Benefit: Accelerated procurement, easier compliance verification, and faster project sign-off. Application: Engineering specifications, procurement packages, and field commissioning.
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FAQs
UNA16 is a rugged explosionproof union that connects rigid/IMC conduit in hazardous locations. It accommodates 1/2 in trade-size conduits and uses a Feraloy iron alloy body for durable, corrosion-resistant performance, helping ensure safe, compliant electrical connections in Class I, II, and III environments.
Yes. UNA16 is specifically designed for rigid/IMC conduit with a 1/2 in trade size, offering a reliable, standard-compatible connection that simplifies installation and reduces the need for specialty fittings in harsh environments.
UNA16 carries NEC/CEC compliance with hazardous-location ratings for Class I, Division 1 and 2, Class II Division 1 and 2, and Class III, along with area classifications for Hazardous/Classified Locations. This supports regulatory compliance and safe operation in demanding industrial settings.
With a compact 5 in length, 2.75 in width/height footprint, and a lightweight design (about 1.11 lb), UNA16 enables quicker field assembly and easier handling. The Feraloy iron alloy body offers durable protection against corrosion, reducing maintenance cycles and replacement costs over the life of the installation.
Official UNA16 documentation is available through Eaton: Crouse-Hinds catalog pages, UL certification reports, CSA listings, and the Eaton Specification Sheet for UNA16. These resources support procurement, compliance checks, and installation planning.