Eaton Crouse-Hinds UNF405 SA Union - Hazardous Locations
Part Number: UNF405 SA
Quick Summary
The UNF405 SA is a copper-free aluminum union for rigid/IMC conduit used in hazardous locations. This Eaton Crouse-Hinds connector addresses field assembly challenges by delivering a lightweight, corrosion-resistant solution that reduces fatigue and maintenance, even in confined installations. It carries NEC/CEC compliance and hazardous-location ratings to support safe operation in Class I, II, and III environments. The union’s rugged construction translates to fewer rework calls and longer service life, helping projects stay on schedule. For engineers and procurement teams, the combination of durable material, straightforward installation, and proven performance provides a clear value proposition for upgraded conduit fittings in critical facilities.
Product Information
Extended Description
UNF405 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNF union, Rigid/IMC, Female, Copper-free aluminum, 1-1/4"
Product Name
Eaton Crouse-Hinds series UNF union
Catalog Number
UNF405 SA
UPC
782274101859
Product Length/Depth
2.25 in
Product Height
2.75 in
Product Width
2.75 in
Product Weight
0.57 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
1-1/4"
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 - UNF405 SA
Feature: Copper-free aluminum material provides excellent corrosion resistance and lighter handling. Business Impact: Reduces maintenance costs and fatigue during field installs, improving overall installation efficiency. Application: Hazardous-location automation panels and outdoor equipment installations. Feature: Compatible with rigid/IMC conduit, ensuring secure, code-compliant connections. Business Impact: Minimizes leak paths and improves protection against moisture intrusion; speeds up assembly in tight spaces. Application: Chemical plants and processor lines requiring explosion-proof fittings. Feature: Female union with 1-1/4" trade size enables standardization with common conduit inventories. Business Impact: Simplifies procurement and stocking, reducing lead times and inventory costs. Application: Industrial automation racks and equipment enclosures. Feature: NEC/CEC compliance and explicit hazardous-location ratings (Class I, Division 1 & 2; Class II, Division 1 & 2; Class III). Business Impact: Strong regulatory alignment reduces risk of inspection delays and non-conformance penalties. Application: Plant commissioning and safety-critical installations. Feature: Product dimensions (2.25 in depth, 2.75 in height/width) and weight (0.57 lb) optimize space planning. Business Impact: Easier field routing in constrained layouts; enables faster install and retrofit cycles. Application: Retrofit projects and new builds in challenging environments.
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FAQs
Yes. UNF405 SA is designed as a female union for rigid/IMC conduit and is rated for hazardous/classified locations under NEC/CEC standards, providing secure, compliant connections in Class I, II, and III environments.
The UNF405 SA complies with NEC/CEC standards and is rated for hazardous locations (Class I, Division 1 & 2; Class II, Division 1 & 2; Class III). This supports regulatory compliance and safer installations in demanding facilities.
The union uses a copper-free aluminum body with a 1-1/4 inch trade size and compact dimensions (2.25 in depth, 2.75 in height and width), aiding handling and fastening in confined spaces without sacrificing strength or compliance.
Dimensions include a 2.25 in product depth, 2.75 in height and 2.75 in width, with a weight of 0.57 lb. The catalog number is UNF405 SA, and the conduit type supported is rigid/IMC with a female connection.
Choosing UNF405 SA delivers regulatory compliance, reduced maintenance due to copper-free aluminum corrosion resistance, easier field installation, and faster project timelines, all while aligning with standard 1-1/4 inch conduit inventories.