Eaton Crouse-Hinds ECLK436 Coupling - NEC/CEC Hazardous Locations
Part Number: ECLK436
Quick Summary
Eaton Crouse-Hinds ECLK436 coupling is a 36-inch flexible conduit connector for hazardous locations. In many industrial installs, mismatched fittings and uncertain ratings slow progress and raise risk. This unit carries NEC/CEC compliance with Class I, Division 1; Class II, Division 1; and Class III ratings for Hazardous/ Classified Locations. With forged brass construction and a 1-1/4" trade size, it delivers durability and broad conduit compatibility for demanding environments. The design supports reliable field installation, reduces downtime, and supports compliance-focused procurement in chemical, oil & gas, and heavy manufacturing applications.
Product Information
Extended Description
ECLK436 Eaton Crouse-Hinds: Eaton Crouse-Hinds series ECLK coupling, 36" flexible length, Male connection one end, female connection one end, Forged brass, 1-1/4" trade size
Product Name
Eaton Crouse-Hinds series ECLK coupling
Catalog Number
ECLK436
Product Length/Depth
41.75 in
Product Height
2.94 in
Product Width
2.94 in
Product Weight
16.89 lb
UPC
782274263106
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class II, Division 1 Class III
Gender
Male connection one end, female connection one end
Flexible length
36"
Trade size
1-1/4"
Material
Forged brass
Crouse-Hinds series EC Explosionproof Couplings catalog page
EC Explosionproof Couplings Canadian certification
EC Explosionproof Couplings Canadian certification
Eaton Specification Sheet - ECLK436
Feature → Business Impact → Application: 36 inch flexible length enables easy routing through tight spaces, reducing installation time and labor costs while accommodating complex conduit layouts in machine rooms and remote zones. This translates to faster starts up of hazardous-area systems and lower field labor exposure in critical environments. Feature → Business Impact → Application: Forged brass construction provides corrosion resistance and mechanical strength, improving long-term durability in chemical plants, refineries, and offshore facilities, lowering maintenance intervals and replacement costs. Feature → Business Impact → Application: 1-1/4 inch trade size ensures compatibility with common conduit systems, supporting seamless retrofit projects and stock compatibility across multiple sites, minimizing spare-part complexity. Feature → Business Impact → Application: Male and female connections on opposite ends simplify assembly and reduces misalignment risk during panel or enclosure setup, speeding commissioning and improving first-pass test outcomes in hazardous locations. Feature → Business Impact → Application: NEC/CEC compliance and Class I/Division 1, Class II/Division 1, Class III ratings provide regulatory assurance for U.S. and Canadian installations, helping procurement avoid penalties and rework during audits. Feature → Business Impact → Application: Canadian certification documents and EC Explosionproof catalogs support cross-border projects, enabling streamlined approvals and consistent safety standards across multinational sites. Feature → Business Impact → Application: Forged brass and robust tolerances support long-term performance under vibration and thermal cycling common in heavy industries, reducing fault rates and warranty costs. Feature → Business Impact → Application: The device’s 41.75 in overall length (with a 36 in flexible portion) enables practical integration into extended conduit runs, supporting scalable system designs and future expansion plans.
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FAQs
For ECLK436, plan path routing with the 36 inch flexible section and 41.75 inch overall length, ensuring clearance from heat sources and avoiding sharp bends. Use proper torque on forged brass threads, verify polarity of male/female ends, and secure with approved fittings to maintain integrity under vibration. This reduces leak paths and ensures reliable performance in Class I/Division 1 areas.
ECLK436 is designed to meet NEC/CEC standards and specifically supports Class I Division 1, Class II Division 1, and Class III ratings, along with Hazardous/Classified Locations area classifications. Its explosionproof construction and material compliance help pass regulatory inspections, reducing the risk of nonconformance penalties and rework.
Yes. The ECLK436 offers a 1-1/4 inch trade size and a 36 inch flexible length designed to fit standard conduit systems. Made from forged brass, it provides robust connection points for typical rigid or flexible conduit used in hazardous environments, with the male/female ends simplifying assembly in field applications.
The ECLK436 is supported by Canadian certification documentation and EC Explosionproof catalogs, which facilitate cross-border approvals. UL-based certification pages are referenced in the product assets, helping project teams meet Canadian and U.S. regulatory expectations while maintaining consistent safety standards across sites.
Expect forged brass to deliver strong corrosion resistance and mechanical durability under vibration, typical in chemical plants and offshore facilities. Routine inspection of seals and threads, plus periodic tightening to manufacturer torque specs, will sustain performance and extend service life in hazardous locations.