Eaton Crouse-Hinds ECLK333 Coupling - Class I, Division 1
Part Number: ECLK333
Quick Summary
ECLK333 is a rugged coupling used in hazardous area electrical installations to join flexible conduit. In busy facilities where downtime is costly, a secure, fast installation reduces risk and rework. This EC explosionproof coupling carries NEC/CEC compliance and hazardous location ratings including Class I, Division 1, Class II, Division 1, and Class III, enabling safe operation in oil, gas, and chemical environments. Forged brass construction and a 33 inch flexible length support long runs while simplifying routing and maintenance, delivering predictable performance and lower life-cycle costs. Designed to work with standard conduit fittings, it helps ensure ongoing compliance and faster project timelines in demanding industrial operations.
Product Information
Extended Description
ECLK333 Eaton Crouse-Hinds: 1 X 30 DIV 1 FLEX CPLG MALE-FEMALE
Product Name
Eaton Crouse-Hinds series ECLK coupling
Catalog Number
ECLK333
Product Length/Depth
38 in
Product Height
2.13 in
Product Width
2.13 in
Product Weight
2.2 lb
UPC
662283118447
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
1"
Material
Forged brass
Crouse-Hinds series EC Explosionproof Couplings catalog page
EC Explosionproof Couplings Canadian certification
EC Explosionproof Couplings Canadian certification
Eaton Specification Sheet - ECLK333
Material and construction: Forged brass provides superior strength and corrosion resistance in harsh industrial environments, translating to longer service life and reduced replacement costs in chemical plants and refineries. This directly supports maintenance budgets and uptime targets while meeting industry expectations for durable conduit fittings. Application impact: The ECLK333 is tailored for hazardous locations, strengthening safety margins in oil and gas sites and mining operations where robust explosionproof coupling performance is essential. Compatibility and installation: The 1" trade size with male and female ends, plus a 33" flexible length and a total 38" footprint, enables easier routing through constrained spaces and compatibility with standard EC series fittings, streamlining installation and inspection cycles. Compliance and risk management: NEC/CEC standards together with Class I, Division 1 (and Class II/III) ratings reduce regulatory risk, support quick approvals, and simplify procurement for regulated projects. Industry context: As a trusted Crouse-Hinds EC coupling, ECLK333 integrates with existing hazardous-area architectures, offering predictable performance, reduced maintenance, and lower total cost of ownership over project lifetimes.
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FAQs
When installing ECLK333 in Class I, Division 1 environments, ensure proper alignment of male and female ends, confirm compatibility with your EC explosionproof conduit fittings, and follow NEC/CEC guidelines for hazardous locations. The 1" trade size and 33" flexible length simplify routing, while the 38" overall length accommodates longer runs without excess stress on the connection.
Yes. ECLK333 is designed as a standard 1" trade-size coupling with male and female ends engineered for EC explosionproof systems. Its compatibility with common conduit fittings simplifies field installations, reduces inventory needs, and supports straightforward inspections in Class I, Division 1 installations.
ECLK333 has a total length of 38 inches and a flexible length of 33 inches, with a width and height of 2.13 inches each. It weighs approximately 2.2 pounds and uses forged brass construction for durability in harsh environments.
ECLK333 carries NEC/CEC standards with hazardous location ratings including Class I, Division 1, Class II, Division 1, and Class III. It is designed for Hazardous/Classified Locations and aligns with EC Explosionproof requirements, ensuring regulatory compliance for critical industrial installations.
Using ECLK333 can reduce downtime through quicker installation and fewer rework events in hazardous areas. Its forged brass durability lowers replacement frequency, while certified ratings streamline inspections and permit processes. Overall, projects benefit from improved reliability, safer operations, and lower lifecycle maintenance costs.