Eaton Crouse-Hinds ECLK336 S758 - Class I, Div 1
Part Number: ECLK336 S758
Quick Summary
The Eaton Crouse-Hinds ECLK336 S758 coupling provides flexible conduit connections for hazardous locations. In the field, downtime and corrosion from rigid fittings drive maintenance costs and safety risk. This product carries NEC/CEC compliance with hazardous-area ratings for Class I, Division 1 assets, and clearly supports Class II and III as applicable. The 41-inch overall length and 36-inch flexible portion enable versatile routing, while forged brass and a flexible PVC coating resist environmental wear—reducing rework. Using this coupling can improve installation speed, safety, and long-term reliability in refineries, chemical plants, and offshore facilities. Its documented specifications and catalog support streamline procurement and QA sign-off.
Product Information
Extended Description
ECLK336 S758 Eaton Crouse-Hinds: Eaton Crouse-Hinds series ECLK coupling, 36" flexible length, Male connection one end, female connection one end, Forged brass, Flexible PVC protective coating, 1" trade size
Product Name
Eaton Crouse-Hinds series ECLK coupling
Catalog Number
ECLK336 S758
Product Length/Depth
41 in
Product Height
2.13 in
Product Width
2.13 in
Product Weight
9 lb
UPC
782274466613
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"
Material
Forged brass
Special features
Flexible PVC protective coating
Crouse-Hinds series EC Explosionproof Couplings catalog page
EC Explosionproof Couplings Canadian certification
EC Explosionproof Couplings Canadian certification
Eaton Specification Sheet - ECLK336 S758
Feature: 36-inch flexible length. Business Impact: Simplifies routing around obstacles, reducing the number of joints and potential leak points, which lowers installation time and potential failure modes. Application: Ideal for long conduit runs in hazardous environments where flexibility matters. Feature: Male and female connections on opposite ends. Business Impact: Enables universal mating with standard conduit systems, decreasing field inventory and compatibility issues. Application: Quick field adaptations during retrofit projects in Class I Div 1 facilities. Feature: Forged brass with flexible PVC protective coating. Business Impact: Delivers corrosion resistance and durability in aggressive environments, lowering maintenance costs over the asset life. Application: Offshore platforms and chemical plants with exposure to moisture and chemicals. Feature: 1-inch trade size and 41-inch overall length. Business Impact: Supports common conduit assemblies while providing sufficient reach and fit within restricted spaces. Application: Industrial installations with space constraints and standardized fittings. Feature: NEC/CEC compliance and hazardous-area ratings (Class I, Division 1; area classification). Business Impact: Reduces regulatory risk and speeds QA approvals. Application: Compliance-driven projects in refineries and marine facilities. Feature: Weight and dimensions (9 lb, 2.13 in width/height). Business Impact: Manageable handling and precise fit in equipment racks and cable trays. Application: General-purpose installations requiring predictable weight and footprint.
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FAQs
When installing the ECLK336 S758, verify class ratings (Class I, Division 1) and area classification compliance before routing. Use the 36-inch flexible section to minimize joints, and ensure mating ends are clean and properly seated. Secure with appropriate clamps and inspect the flexible PVC coating for any damage after installation to maintain ingress protection and ongoing safety.
Key specs include a 41-inch overall length with a 36-inch flexible section, 1-inch trade size, forged brass construction, and a flexible PVC protective coating. The product weighs about 9 pounds and has a cross-section of roughly 2.13 inches in both width and height. It is rated for hazardous locations under NEC/CEC and supports Class I, Division 1 installations.
Yes. The ECLK336 S758 is designed for Class I, Division 1 environments and uses a standard 1-inch trade size for compatibility with common conduit systems. Its 36-inch flexible length helps accommodate routing around obstacles, and the forged brass with PVC coating provides robust corrosion resistance, supporting reliable operation in hazardous locations.
This coupling adheres to NEC/CEC standards and provides hazardous-location ratings for Class I, Division 1. It is listed for use in Hazardous/Classified Locations and has Canadian certification references via UL listings as part of its certification package. These credentials help streamline compliance during audits and project sign-offs.
The ECLK336 S758 reduces maintenance and downtime by offering corrosion-resistant forged brass with a protective PVC coating, extending the service life in harsh environments. Its 36-inch flexible length cuts down on field joints, accelerating installation and minimizing rework. Overall, daily operation reliability improves, contributing to lower lifecycle costs and safer, compliant installations.