Eaton Crouse-Hinds UNF205 SA Union - Group B Rated
Part Number: UNF205 SA
Quick Summary
UNF205 SA union connects rigid IMC conduit in hazardous locations, delivering a reliable, seal-tight path for electrical installations. Facilities often suffer downtime from vibration, moisture ingress, or mis-rated fittings that loosen or corrode. This union meets NEC/CEC standards and hazardous-location ratings, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III. Constructed from copper-free aluminum with a Group B rating, it reduces weight for easier field installation and broader application. Designed for 3/4 inch trade-size connections, it integrates smoothly with Eaton's UNF family for faster procurement. Investing in this copper-free aluminum union reduces maintenance costs and simplifies compliance audits across industrial facilities.
Product Information
Extended Description
UNF205 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNF union, Rigid/IMC, Female, Copper-free aluminum, Group B rated, 3/4"
Product Name
Eaton Crouse-Hinds series UNF union
Catalog Number
UNF205 SA
UPC
782274101835
Product Length/Depth
1.91 in
Product Height
1.78 in
Product Width
1.78 in
Product Weight
0.19 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
3/4"
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 - UNF205 SA
Copper-free aluminum construction reduces weight and improves corrosion resistance, accelerating field assembly and minimizing handling risks. In hazardous-location projects, lighter fittings translate to shorter downtime during replacements and easier relocation in congested plant spaces. This design is compatible with standard 3/4 inch conduits, enabling seamless integration into existing rigid/IMC runs and reducing inventory variety for procurement teams. Group B rating broadens applicability across a range of hazardous environments, lowering the need for multiple part types and simplifying stocking logic. The UNION’s rigid/IMC compatibility delivers robust mechanical protection and a tight seal in demanding installations, supporting safer start-ups and reducing leakage pathways. The female, 3/4 inch trade-size configuration ensures straightforward mating with adjacent Eaton UNF components, speeding installation and minimizing field errors. NEC/CEC compliance and documented area classifications streamline inspections and regulatory audits, while the copper-free aluminum body minimizes maintenance costs over the asset life. Its compact footprint—length 1.91 in, width 1.78 in, height 1.78 in, weight 0.19 lb—facilitates space-efficient mounting in panels and equipment rooms, enabling faster retrofits and consistent performance across the UNF family.
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FAQs
Yes. The UNF205 SA is a 3/4 inch trade-size, female union designed for Rigid/IMC conduit and mates with standard fittings in Eaton's UNF family. It provides a field-friendly, seal-tight connection suitable for hazardous locations, reducing rework and ensuring reliable performance in tight or congested installations.
The UNF205 SA carries NEC/CEC standards and hazardous-location classifications, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III. The product also aligns with area classification requirements and Group B rating, with UL certification documentation available for verification and audits.
Length is 1.91 inches, width 1.78 inches, height 1.78 inches, and weight 0.19 pounds. This compact, copper-free aluminum body delivers a lightweight, space-efficient solution while maintaining mechanical strength for reliable field connections in hazardous environments.
With Group B rating and NEC/CEC compliance, the union supports safer inspections and code conformity. The copper-free aluminum construction resists corrosion, reducing replacement frequency, and its integration with Eaton’s UNF family simplifies procurement, stocking, and maintenance workflows across industrial facilities.
Refer to Eaton’s UNF205 SA specification sheet, the Crouse-Hinds catalog page for UNF unions, and UL certification reports linked in the downloads. These documents confirm ratings, material, size, and installation guidelines to support procurement, compliance, and installation planning.