Eaton Crouse-Hinds ECLK524 S758 Coupling - Explosionproof
Part Number: ECLK524 S758
Quick Summary
Eaton Crouse-Hinds ECLK524 S758 coupling provides flexible, explosion-protected connections for hazardous locations. Engineers often struggle with reliable, code-compliant fittings that tolerate harsh environments and tight installation schedules. This EC explosionproof coupling carries NEC/CEC compliance and hazard-location ratings—Class I, Division 1; Class II, Division 1; Class III—helping projects pass audits and avoid costly rework. By combining forged brass with a flexible PVC coating, the assembly resists corrosion and moisture while simplifying retrofits in industrial automation and hazardous-area equipment. The 24-inch flexible length and 1-1/2 inch trade size deliver fast field assembly and dependable performance across offshore platforms, chemical plants, and mining operations.
Product Information
Extended Description
ECLK524 S758 Eaton Crouse-Hinds: Eaton Crouse-Hinds series ECLK coupling, 24" flexible length, Male connection one end, female connection one end, Forged brass, Flexible PVC protective coating, 1-1/2" trade size
Product Name
Eaton Crouse-Hinds series ECLK coupling
Catalog Number
ECLK524 S758
Product Length/Depth
30.63 in
Product Height
3.5 in
Product Width
3.5 in
Product Weight
18.75 lb
UPC
782274779591
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
24"
Trade size
1-1/2"
Material
Forged brass
Special features
Flexible PVC protective coating
Crouse-Hinds series EC Explosionproof Couplings catalog page
EC Explosionproof Couplings UL certification
EC Explosionproof Couplings UL certification
Eaton Specification Sheet - ECLK524 S758
Feature: 24-inch flexible length enables effortless routing around equipment, piping, and supports. Business impact: speeds up installation and minimizes site handling, reducing labor time and risk of bent conduit or misalignment. Application: ideal for complex hazard-location runs in chemical plants, refineries, offshore installations where space is at a premium. Feature: Dual-ended male and female connections on a single coupling. Business impact: simplifies mating with conduit networks and minimizes misalignment risk. Application: convenient for installations with mixed fittings or retrofits in hazardous areas. Feature: Forged brass core with flexible PVC protective coating. Business impact: delivers corrosion resistance and moisture protection in harsh environments. Application: suitable for marine, chemical, or mining operations. Feature: NEC/CEC compliance and hazardous location ratings (Class I Division 1, Class II Division 1, Class III). Business impact: facilitates regulatory approvals and reduces audit findings. Application: essential for safety-approved electrical assemblies in hazardous locations. UL certification further confirms suitability for US/Canada hazardous locations. Feature: Overall dimensions and weight: 30.63 in length, 3.5 in height, 3.5 in width, 18.75 lb weight, 1-1/2 in trade size. Business impact: provides known footprint for planning, procurement, and space calculations. Application: helps design teams model conduit runs in industrial automation projects.
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FAQs
For Class I, Division 1 applications, verify that the ECLK524 S758 is used with compatible conduit fittings and is secured to withstand vibration and moisture exposure. Ensure proper sealing and gasket integrity, observe NEC/CEC requirements, and follow Eaton’s datasheet instructions for torque, mounting orientation, and environmental protection thresholds to maintain explosion-protected integrity.
The ECLK524 S758 is designed to meet NEC/CEC standards for hazardous locations and carries the appropriate Class I, Division 1 ratings. Compliance is supported by its explosionproof construction, forged brass core, and PVC protective coating, plus UL-certified documentation referenced in Eaton’s catalog and certification pages, which aids in project approvals and inspection readiness.
Yes. The ECLK524 S758 features a 1-1/2 inch trade size and dual-ended male/female connections, enabling straightforward pairing with compatible conduit components. This compatibility reduces the need for adapters and minimizes field fabrication, which shortens installation time and lowers labor costs in hazardous-area conduit networks.
Regular maintenance should include inspecting the flexible PVC coating for nicks or abrasion, checking the brass surface for signs of corrosion, and confirming that connection points remain tight and free of debris. Review UL/EC certification documents periodically to ensure ongoing compliance with current hazardous-location standards and perform any manufacturer-recommended tests during planned outages.
Investing in the ECLK524 S758 can reduce installation time due to its 24 inch flexible length and dual-ended design, lowering field labor costs. Its corrosion resistance and robust construction minimize downtime from maintenance, while NEC/CEC compliance reduces audit risk and potential rework, delivering a favorable total cost of ownership in hazardous-area automation deployments.