Eaton Crouse-Hinds UNF215 SS Union - Group B Rated
Part Number: UNF215 SS
Quick Summary
UNF215 SS is a rugged union for rigid/IMC conduit, designed for hazardous locations where dependable connections matter. When field downtime or leaks threaten uptime, you need a connector that combines corrosion resistance with documented compliance. This design leverages 316 stainless steel and carries Group B rating with NEC/CEC approvals and area classifications for Class I, II and III locations. The outcome is extended service life, predictable maintenance cycles, and lower total cost of ownership, while remaining compatible with standard rigid/IMC fittings and a 3/4" to 1/2" trade-size range.
Product Information
Extended Description
UNF215 SS Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNF union, Rigid/IMC, Female, 316 stainless steel, Group B rated, 3/4" to 1/2"
Product Name
Eaton Crouse-Hinds series UNF union
Catalog Number
UNF215 SS
UPC
662276584471
Product Length/Depth
1.88 in
Product Height
1.88 in
Product Width
1.88 in
Product Weight
0.62 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
316 stainless steel
Trade size
3/4" to 1/2"
Special features
Group B rated
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 - UNF215 SS
316 stainless steel construction provides superior corrosion resistance, extending service life in harsh environments such as chemical plants and offshore facilities; it translates to fewer replacements and lower maintenance costs. The Group B rating supports safer operations in specific hazardous gas scenarios, aligning with NEC/CEC requirements and area classifications for Class I, II, and III locations to minimize compliance risk and inspection holds. Trade-size compatibility of 3/4" to 1/2" enables versatile retrofits and new installs without stocking multiple unions, reducing inventory complexity and project lead times. Designed for rigid/IMC conduit, the UNF215 SS offers reliable, leak-tight connections with straightforward installation in control panels and field junctions, improving overall wiring integrity and system reliability. Its compact footprint (1.88 in at each dimension) and 0.62 lb weight simplify handling in constrained spaces, accelerating assembly and reducing installer fatigue. Certifications and documentation, including NEC/CEC compliance and Canadian/UL references, help teams meet regulatory requirements with confidence, supporting faster approvals and audit readiness.
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FAQs
UNF215 SS supports a 3/4" to 1/2" trade-size range and is designed specifically for rigid and IMC conduit. As a female union, it mates with standard UNF series couplings and unions, enabling straightforward integration into existing conduit runs and new installations in hazardous area panels without modification.
UNF215 SS achieves Group B rating by using 316 stainless steel construction and a design verified for use in environments typical of Group B hazards. It carries NEC/CEC compliance and area classifications for Hazardous/Classified Locations, with documented suitability for Class I and Class II locations (including divisions), as reflected in available certification datasheets and listings.
Yes, UNF215 SS is intended for use in Hazardous/Classified Locations with area classifications that cover Class I (Divisions 1 and 2), Class II (Divisions 1 and 2), and Class III. This enables safe operation across multiple hazardous environment scenarios, aligning with NEC/CEC requirements and supporting compliance documentation during audits.
To minimize downtime, rely on the unit’s compatibility with standard rigid/IMC fittings, the precise 1.88 in footprint for tight spaces, and straightforward tightening to ensure a leak-tight seal. Use clean threads, appropriate torque per conduit fittings, and ensure proper alignment with mating components to avoid rework and maintain wiring integrity in hazardous areas.
The 316 stainless steel construction delivers superior corrosion resistance, translating to longer service life and fewer replacements in aggressive environments. Coupled with NEC/CEC compliance and readily available certification documentation, this reduces maintenance costs, lowers risk exposure, and accelerates project approvals, delivering a favorable total cost of ownership over the equipment lifecycle.