Eaton Crouse-Hinds UNY405 SA Union - Hazardous Locations
Part Number: UNY405
Quick Summary
UNY405 SA union from Eaton Crouse-Hinds provides rugged conduit connections for hazardous locations in industrial facilities. In field installs, unreliable fittings can cause leaks, downtime, and costly non-compliance, especially in harsh environments. It is certified for NEC/CEC compliance and supports Class I Division 1 & 2, Class II Division 1 & 2, and Class III locations, enabling safer, code-conforming deployments anywhere. This copper-free aluminum union is designed for rigid/IMC conduit, delivering strong performance while simplifying inventory. By offering a 1-1/4" trade size with durable materials, it minimizes maintenance expenses and accelerates installation, helping projects meet schedules and budgets.
Product Information
Extended Description
UNY405 Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNY union, Rigid/IMC, Male, Feraloy iron alloy, 1-1/4"
Product Name
Eaton Crouse-Hinds series UNY union
Catalog Number
UNY405
UPC
782274648200
Product Length/Depth
3.72 in
Product Height
2.94 in
Product Width
2.94 in
Product Weight
1.91 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
Feraloy iron alloy
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 - UNY405
Feature → Business Impact → Application: Copper-free aluminum construction delivers corrosion resistance and lighter weight, reducing tool wear and handling time on site while extending life in chemical processing plants and offshore facilities. Application: fits with explosion-proof conduit unions used in hazardous locations, lowering total cost of ownership. Feature → Business Impact → Application: 1-1/4" trade size standardization enables quick pairing with existing IMC/Rigid conduits, reducing inventory complexity and installation steps. Application: industrial automation panels and field wiring. Feature → Business Impact → Application: Rigid/IMC conduit compatibility ensures secure, vibration-tolerant connections, improving uptime in heavy equipment environments. Application: mining and refinery equipment. Feature → Business Impact → Application: NEC/CEC compliance and multiple Class I/II/III ratings provide regulatory assurance, facilitating project approvals and maintenance planning. Application: global facilities. Feature → Business Impact → Application: Copper-free aluminum material offers corrosion resistance in aggressive atmospheres, reducing repainting and replacement cycles. Application: chemical, mining, and oil & gas installations.
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FAQs
When installing UNY405 SA, ensure proper tightening of the male union onto the mating conduit assembly, use gaskets or seals as specified, and verify compatibility with rigid/IMC conduit. The copper-free aluminum construction reduces weight without sacrificing seal integrity, supporting safer field assembly in hazardous areas.
UNY405 SA carries NEC/CEC standards support with hazardous location ratings including Class I, Division 1 & 2, Class II, Division 1 & 2, and Class III. These certifications enable global deployment, ensure compliance with safety codes, and simplify project approvals for chemical, oil & gas, and mining facilities.
Yes. UNY405 SA is designed for the 1-1/4 inch trade size and rigid/IMC conduit, offering a secure mechanical fit and reliable electrical continuity. Its copper-free aluminum construction helps with handling in tight spaces and reduces overall weight during installation.
The unit measures 3.63 inches in length, 2.75 inches in height, and 2.75 inches in width, with a weight of 0.69 pounds. These compact but robust dimensions support straightforward mounting and integration into compact electrical cabinets and outdoor enclosures.
Choosing UNY405 SA provides regulatory compliance, corrosion resistance, and installation efficiency. The copper-free aluminum body reduces weight and maintenance, while the standard 1-1/4 inch size and rigid/IMC compatibility minimize inventory and field time, delivering lower lifecycle costs and faster project completion.