Eaton Crouse-Hinds UNL205 SA Union - Hazardous Locations
Part Number: UNL205 SA
Quick Summary
UNL205 SA union provides rugged hardware for connecting rigid/IMC conduits in hazardous locations. Engineers often wrestle with enclosure integrity, corrosion resistance, and meeting stringent hazardous-location codes. This UNL205 SA union is NEC/CEC-compliant, UL-listed for hazardous areas, and CSA-listed, with area classification supporting Class I, Division 1 and 2, Class II and III environments. Its copper-free aluminum construction delivers strong corrosion resistance while keeping weight and handling easy. The 3/4" to 3/4" trade size and compact 2.88 in length, 1.81 in width, and 2 in height fit tight spaces and simplify inventory management. Designed for quick field installation and reliable long-term service, it helps reduce downtime and compliance risk on industrial projects.
Product Information
Extended Description
UNL205 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNL union, Rigid/IMC, Copper-free aluminum, 3/4" to 3/4"
Product Name
Eaton Crouse-Hinds series UNL union
Catalog Number
UNL205 SA
UPC
782274164748
Product Length/Depth
2.88 in
Product Height
2 in
Product Width
1.81 in
Product Weight
0.24 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
Material
Copper-free aluminum
Trade size
3/4" to 3/4"
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 - UNL205 SA
Feature Copper-free aluminum construction → Business Impact Reduces corrosion risk and weight, improving handling and long-term durability in harsh environments. Application Suitable for chemical plants, oil refineries, and mining facilities where reliability matters. Feature Rigid/IMC conduit compatibility → Business Impact Simplifies wiring schemes and reduces inventory complexity while ensuring a secure, code-compliant connection. Application Ideal for industrial installations with tight spaces and standard 3/4" trade-size runs. Feature Trade size 3/4" to 3/4" → Business Impact Standardized fittings streamline procurement and installation, accelerating project timelines. Application Works with common 3/4" IMC and rigid conduits in hazardous locations. Feature NEC/CEC compliance and UL/CSA certifications → Business Impact Compliance assurance reduces audit risk and potential rework, improving safety margins. Application Required in regulated facilities such as refineries and chemical processing plants. Feature Compact dimensions (2.88 in L, 1.81 in W, 2 in H) → Business Impact Lower mounting footprint and easier field assembly, reducing installation time by enabling faster alignment and fewer misfits. Application Fits confined electrical rooms and equipment enclosures. Feature Lightweight design (0.24 lb) → Business Impact Easier handling during installation and maintenance, lowering labor costs on large-scale conduit networks. Application Beneficial for repetitive field replacements and upgrade projects.
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FAQs
The UNL205 SA union is designed for connecting rigid/IMC conduits in hazardous locations such as chemical plants, oil refineries, and mining sites. Its copper-free aluminum construction provides corrosion resistance, while NEC/CEC compliance and UL/CSA certifications ensure reliable performance under Class I, II, and III conditions. This makes it ideal for installations where safety, durability, and regulatory alignment are essential.
UNL205 SA supports a 3/4" to 3/4" trade size and is compatible with rigid and IMC conduits. This standard sizing simplifies procurement, reduces the need for adapters, and speeds installation in constrained spaces. The union’s rugged copper-free aluminum body provides dependable performance in demanding environments where fast, secure terminations are critical.
The UNL205 SA is NEC/CEC compliant, UL-listed for use in hazardous locations, and CSA-listed, with area classifications supporting hazardous environments. These certifications help ensure regulatory compliance, enable safer installations, and reduce the risk of nonconformance during inspections or audits in oil & gas, chemical processing, and other high-risk facilities.
To maximize reliability, install the UNL205 SA union on clean, undamaged rigid/IMC conduit sections and verify correct 3/4" trade-size fittings before assembly. Its copper-free aluminum construction minimizes galvanic corrosion in harsh environments, while the compact dimensions and light weight reduce torque requirements and labor time during field assembly.
The union delivers a balance of corrosion resistance, lightweight handling, and quick installation, translating to lower maintenance costs and reduced downtime for inspections or replacements. With NEC/CEC and UL/CSA certifications, facilities avoid rework due to compliance issues, delivering predictable lifecycle performance and total cost-of-ownership benefits in hazardous-location installations.