Eaton Crouse-Hinds UNF1005 SA Union - Group B rated
Part Number: UNF1005 SA
Quick Summary
UNF1005 SA union is a rugged, reliable connector for 4 in rigid/IMC conduit used in hazardous locations. In the field, installers face corrosion, misalignment, and incompatible fittings that slow projects. This Eaton Crouse-Hinds union carries NEC/CEC compliance and hazard-rated approvals, including Class I, II, and III locations. The copper-free aluminum construction with a Group B rating delivers durability with lower weight, simplifying handling in tight spaces. With a straightforward female connection and a 4 inch trade size, it enables fast, compliant installations in industrial automation and process environments. Its robust design supports long-term reliability, reducing maintenance cycles and total cost of ownership for critical infrastructure projects. This combination makes it a dependable choice for electrical enclosures, control panels, and field installations in offshore, chemical, and manufacturing settings.
Product Information
Extended Description
UNF1005 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNF union, Rigid/IMC, Female, Copper-free aluminum, Group B rated, 4"
Product Name
Eaton Crouse-Hinds series UNF union
Catalog Number
UNF1005 SA
UPC
782274101934
Product Length/Depth
4.06 in
Product Height
6.19 in
Product Width
6.19 in
Product Weight
4.2 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
Female
Material
Copper-free aluminum
Trade size
4"
Special features
Group B rated
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 - UNF1005 SA
Feature copper-free aluminum construction → Benefit: corrosion resistance, lighter weight, and easier handling in confined spaces → Application: outdoor, chemical plant, or refinery installations where weight and corrosion are ongoing concerns. Feature Group B rated → Benefit: compliance with stringent hazardous-location requirements → Application: industrial automation and process facilities demanding NEC/CEC conformity and reliable protection in Class I, II, and III zones. Feature 4 inch trade size → Benefit: compatibility with standard rigid/IMC conduit systems and fast, predictable termination → Application: panel builds and field runs requiring quick, repeatable connections. Feature female union design → Benefit: straightforward mating with mating components and reduced risk of cross-threading → Application: retrofit projects and new builds where a secure, leak-proof seal is critical. Feature area classification for hazardous locations and NEC/CEC standards → Benefit: regulatory alignment reduces audit findings and warranty risks → Application: safety-critical installations in chemical plants, refineries, and mining operations. Feature copper-free aluminum meets lifecycle efficiency goals → Benefit: weight savings, reduced shipping and installation costs, longer-term asset reliability → Application: high-volume projects with repeated assemblies and maintenance cycles. Feature compatibility with rigid/IMC conduit → Benefit: broad installation flexibility and supply-chain resilience → Application: distributed plants with mixed conduit types and evolving standards. Industry insight: field teams value faster commissioning and reduced surprises during start-up, and this union supports that through predictable fit and compliant performance.
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FAQs
Begin with de-energized equipment and verify the conduit size is 4 inches. Align the male and female threaded sections, apply a compatible gasket or seal where specified, and tighten to the manufacturer’s recommended torque. Confirm the assembly is compatible with rigid/IMC conduit and that the materials are copper-free aluminum to maintain the Group B rating in Class I/II/III zones.
The UNF1005 SA features NEC/CEC standards compliance and is rated for Hazardous/Classified Locations. The NEC hazardous ratings include Class I, Division 1 and 2, Class II Division 1 and 2, and Class III, supporting safe operation in a range of hazardous industrial environments.
Yes. The union is designed as a copper-free aluminum, female connector intended for use with rigid/IMC conduit. This compatibility supports lightweight installations, corrosion resistance, and consistent performance with other aluminum fittings in a copper-free system.
It mitigates weight concerns during on-site handling, reduces risk of corrosion-related failures thanks to copper-free aluminum, and satisfies NEC/CEC hazardous-location requirements with Group B ratings. Its 4" trade size and female design simplify field assembly and ensure dependable, leak-free seals in demanding environments.
Key specs include model UNF1005 SA, 4.06 in length, 6.19 in height and width, 4.2 lb weight, 4" trade size, copper-free aluminum material, and UPC 782274101934. It is intended for rigid/IMC conduit with a female connection and Group B hazardous-location rating under NEC/CEC.