Eaton Crouse-Hinds UNY305 SS Union - Group B Rating
Part Number: UNY305 SS
Quick Summary
UNY305 SS union provides a robust, 316 stainless steel conduit connection for hazardous-location control panels and equipment. Maintenance downtime and corrosion risk in harsh locations are ongoing challenges for engineers. It carries NEC/CEC compliance with Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III ratings, along with UL listings for hazardous environments. Designed for 1" rigid/IMC connections, its corrosion-resistant body supports long service life and predictable maintenance. Using this union helps facilities cut downtime, simplify approvals, and ensure safe, code-compliant terminations.
Product Information
Extended Description
UNY305 SS Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNY union, Rigid/IMC, Male, 316 stainless steel, Group B rated, 1"
Product Name
Eaton Crouse-Hinds series UNY union
Catalog Number
UNY305 SS
UPC
662276585935
Product Length/Depth
3 in
Product Height
2.03 in
Product Width
2.03 in
Product Weight
0.89 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
316 stainless steel
Trade size
1"
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 - UNY305 SS
Feature: 316 stainless steel construction delivers superior corrosion resistance in chemical, coastal, and washdown environments. Business Impact: Extends component life, reduces maintenance cycles, and lowers total cost of ownership. Application: Ideal for hazardous-location fittings in chemical plants and offshore facilities. Feature: 1" trade size designed for rigid/IMC conduits with a male termination. Business Impact: Streamlines installation and inventory management while ensuring a secure, leak-resistant connection. Application: Panel enclosures and equipment terminations in demanding industrial spaces. Feature: Group B rated and NEC/CEC compliant. Business Impact: Simplifies regulatory approvals and improves safety margins in hazardous zones. Application: Wiring connections in Class I/II locations with minimal protective overrides. Feature: UL-certified hazardous-location compatibility. Business Impact: Accelerates qualification processes and reduces risk during audits. Application: Industrial installations requiring validated safety certifications. Feature: Compact form factor (3 in length, 2.03 in height/width, 0.89 lb). Business Impact: Easier space planning and faster retrofit or upgrade projects. Application: Tight-control panel assemblies and retrofit projects in constrained enclosures.
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FAQs
UNY305 SS is a male, 1" trade size conduit union designed for rigid/IMC conduits. It fits standard 1" connections and is tailored for hazardous-location setups, simplifying assembly on control panels and equipment enclosures while maintaining a robust, leak-free join.
The union is NEC/CEC compliant with hazardous-location ratings covering Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III. It is designed for use in hazardous/classified locations and is UL-listed for such environments, streamlining regulatory approvals.
The 316 stainless steel construction delivers exceptional corrosion resistance, reducing replacement frequency in chemical and marine settings. Its Group B rating signifies suitability for hazardous locations, improving safety margins and minimizing unplanned downtime in critical systems.
The UNY305 SS measures 3 in in depth with a footprint of 2.03 in by 2.03 in and weighs about 0.89 lb. These compact dimensions help with space-constrained installations while providing a robust connection for 1" rigid/IMC conduit runs.
Refer to Eaton’s UNY305 SS specification sheet, UL certification documents, and the Crouse-Hinds catalog pages for detailed drawings and listings. Additional certification data can be found in the UL and CSA-listed product resources and Eaton’s official site.