Eaton Crouse-Hinds UNY505 SA union - Hazardous Locations
Part Number: UNY505 SA
Quick Summary
UNY505 SA union is a rugged copper-free aluminum conduit fitting designed for hazardous locations and rapid field installation. This solution supports Rigid and IMC conduits with a 1-1/2 inch trade size, delivering a compact, easy-to-handle connection for tight spaces. For engineers and procurement teams, the challenge is pairing strength with compliance across demanding sites without adding excessive weight. The UNY505 SA meets NEC/CEC expectations and provides explicit ratings for Class I, Division 1 and 2, Class II Division 1 and 2, and Class III environments, giving you confidence in risky industrial settings. By offering reliable performance, lightweight handling, and broad compatibility, it adds measurable value to control panels, motor feeders, and field-built electrical assemblies.
Product Information
Extended Description
UNY505 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNY union, Rigid/IMC, Male, Copper-free aluminum, 1-1/2"
Product Name
Eaton Crouse-Hinds series UNY union
Catalog Number
UNY505 SA
UPC
782274101989
Product Length/Depth
3.97 in
Product Height
3.06 in
Product Width
3.06 in
Product Weight
0.88 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
Copper-free aluminum
Trade size
1-1/2"
Crouse-Hinds series Explosionproof Conduit Unions, Elbows and Tees catalog page
Explosionproof Conduit Unions, Elbows and Tees Canadian certification
Explosionproof Conduit Unions, Elbows and Tees Canadian certification
Eaton Specification Sheet - UNY505 SA
Feature: Copper-free aluminum construction reduces weight and improves corrosion resistance. Business Impact: Lower transport and installation costs, easier handling in elevated applications, and longer service life in harsh environments. Application: Offshore platforms, chemical plants, and outdoor hazardous locations where weight reduction and corrosion resistance matter. Feature: 1-1/2 in trade size provides compatibility with a broad range of wiring systems. Business Impact: Faster provisioning and reduced inventory complexity, enabling quicker project turnarounds. Application: New builds and retrofits in industrial facilities with standard conduit sizing. Feature: Rigid/IMC conduit compatibility ensures a solid mechanical connection. Business Impact: Improved dirt exclusion and vibration resistance, reducing maintenance cycles. Application: High-vibration machinery rooms and outdoor installations subject to temperature cycling. Feature: Hazardous location ratings (Class I/II/III) and NEC/CEC compliance give regulatory alignment. Business Impact: Lower compliance risk, simplified project approvals, and clearer procurement specifications. Application: Refineries, chemical processing lines, and power distribution in classified areas. Feature: Male union design supports straightforward assembly with matched fittings. Business Impact: Faster field assembly, easier disassembly for maintenance, and consistent performance across installs. Application: Control panels and instrumentation feed-throughs where rapid servicing is required. Feature: Cataloged Eaton Crouse-Hinds lineage ensures compatibility with related explosion-proof fittings. Business Impact: Streamlined sourcing and unified maintenance strategy across the plant. Application: Integrated explosion-protected conduit systems in hazardous zones.
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FAQs
The UNY505 SA is designed for Rigid and IMC conduits with a 1-1/2 inch trade size and a male union configuration. It pairs with compatible UNY family fittings from Eaton Crouse-Hinds, enabling fast, secure assemblies in hazardous locations while meeting NEC/CEC requirements.
This union carries NEC/CEC classifications for hazardous areas, including Class I, Division 1 and 2, Class II Division 1 and 2, and Class III. These ratings support safe operation in environments with flammable gases, vapors, dust, and fibers, ensuring regulatory compliance across installations.
Yes. Engineered for Hazardous/Classified Locations, the copper-free aluminum construction and explosion-proof lineage make it suitable for outdoor and indoor applications in chemical plants, oil & gas facilities, and other exposure-prone sites where classification and corrosion resistance are critical.
Certification resources include the NEC/CEC compliance framework, Canadian certification listings, and UL/CSA references. The product page links to the Crouse-Hinds catalog and certification listings, which help validate suitability for hazardous location installations.
Copper-free aluminum reduces weight and corrosion risk, lowering handling time and maintenance intervals. Its standardized 1-1/2" size and compatibility with existing Eaton fittings simplify stocking and replacements, delivering lower lifecycle costs and faster project completion without sacrificing safety or compliance.