Eaton Crouse-Hinds ECLK233 S758 Coupling - Class I Div 1
Part Number: ECLK233 S758
Quick Summary
An Eaton Crouse-Hinds ECLK233 S758 coupling is a flexible conduit connector designed for hazardous locations. In challenging industrial environments, moisture ingress and coating damage can compromise safety and uptime if fittings aren’t robust. It meets NEC/CEC standards, carries Class I Division 1 hazardous-location ratings, and is UL-certified for use in hazardous environments. With a 3/4 in trade size, 33 in flexible length, forged brass construction, and a durable PVC protective coating, it delivers dependable, low-maintenance connections while enabling compliant installations in offshore, chemical, and other high-risk facilities. The rugged M-F configuration helps simplify field assembly and reduces rework, delivering measurable business value through safer, faster maintenance.
Product Information
Extended Description
ECLK233 S758 Eaton Crouse-Hinds: 3/4 X 33 DIV 1 FLEX CPLG M-F NEO COATING
Product Name
Eaton Crouse-Hinds series ECLK coupling
Catalog Number
ECLK233 S758
Product Length/Depth
37.13 in
Product Height
1.88 in
Product Width
1.88 in
Product Weight
6.31 lb
UPC
662283119222
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
33"
Trade size
3/4"
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 - ECLK233 S758
Feature: Forged brass body with a flexible PVC protective coating. Benefit: Delivers excellent corrosion resistance and extended service life in chemical processing and marine environments, reducing maintenance cycles. Application: Ideal for chemical plants, offshore platforms, and other aggressive settings where reliability matters. Feature: Flexible 33 inch length and overall 37.13 inch depth. Benefit: Enables easy routing around equipment and through tight spaces, cutting installation time and minimizing conduit rework. Application: Suitable for complex layouts in manufacturing floors and power generation facilities. Feature: 3/4 inch trade size with male-female ends. Benefit: Standardized connection interfaces simplify sourcing and field assembly, lowering labor costs and stocking requirements. Application: Fits common conduit systems across facilities with stringent hazard-location criteria. Feature: NEC/CEC compliance with Class I Division 1 rating plus UL certification. Benefit: Reduces regulatory risk and procurement friction, supporting faster project sign-offs and safer installations. Application: Critical for oil & gas, mining, and chemical processing projects. Feature: NEO coating and forged brass construction. Benefit: Enhanced protection against moisture and chemical exposure while maintaining robust mechanical strength. Application: Marine, offshore, and harsh indoor environments where long-term performance is essential.
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FAQs
The ECLK233 S758 uses a standard 3/4 inch trade size with male-female ends, enabling straightforward integration with most 3/4 in conduit assemblies common in hazardous locations. Its 33 inch flexible length supports complex routing, while the forged brass body and PVC coating withstand corrosive environments typical of oil, gas, and chemical facilities. This compatibility minimizes field adaptation and reduces install time.
This coupling aligns with NEC/CEC standards and carries Class I Division 1 hazardous-location ratings, ensuring suitability for hazardous environments. It is UL-certified for use in these locations, providing third-party validation of safety and performance. Procurement teams benefit from clear regulatory compliance and reduced risk during project approvals.
The 33 inch flexible length, combined with a 3/4 inch trade size and M-F ends, lets installers navigate around equipment and through tight spaces without forcing rigid fittings. This flexibility reduces mechanical stress on conduits, lowers rework rates, and enables compliant, code-driven installations in complex plant layouts such as processing lines and offshore modules.
The coupling features forged brass construction with a flexible PVC coating and an additional NEO protective coating. This combination delivers solid mechanical strength and superior resistance to moisture, salt spray, and chemical exposure, extending service life in harsh environments like offshore platforms, refineries, and chemical plants while maintaining reliable electrical integrity.
Using the ECLK233 S758 reduces maintenance downtime due to its durable construction, corrosion resistance, and reliable UL/NEC/CEC-compliant performance. Its compatibility with standard conduit systems and easy field assembly lower labor costs, while the protective coatings mitigate wear, extending service life and lowering replacement frequency in high-risk environments.