Eaton ECGJH521 Coupling - NEC Class I, Div 1
Part Number: ECGJH521
Quick Summary
ECGJH521 coupling by Eaton Crouse-Hinds provides a flexible, explosionproof conduit connection for hazardous locations. This design addresses the common challenge of routing cables through tight or irregular spaces while maintaining integrity under demanding conditions. With a robust forged brass body and a 1-1/2 in trade size, it delivers reliable performance in demanding environments. It is certified for NEC/CEC compliance and rated for Class I, Division 1 hazardous locations, along with additional classifications as applicable. By choosing ECGJH521, teams can reduce installation time and simplify maintenance, protecting downstream equipment and ensuring ongoing safety. This solution complements other Crouse-Hinds ECGJH fittings for scalable, compliant infrastructure in chemical, oil & gas, and mining applications.
Product Information
Extended Description
ECGJH521 Eaton Crouse-Hinds: Eaton Crouse-Hinds series ECGJH coupling, 21" flexible length, Male connections both ends, Forged brass, 1-1/2" trade size
Product Name
Eaton Crouse-Hinds series ECGJH coupling
Catalog Number
ECGJH521
Product Length/Depth
27.63 in
Product Height
3.5 in
Product Width
3.5 in
Product Weight
14.78 lb
UPC
782274256207
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class II, Division 1 Class III
Gender
Male connections both ends
Flexible length
21"
Trade size
1-1/2"
Material
Forged brass
Crouse-Hinds series EC Explosionproof Couplings catalog page
ECGJH Declaration of Conformity
ECGJH Declaration of Conformity
ECGJH Declaration of Conformity
IF 1618 - ECGJH Flexible Couplings
Eaton Specification Sheet - ECGJH521
The ECGJH521 features a 21" flexible length that enables adaptable routing through confined spaces, reducing field bending and installation time while minimizing potential damage to cables and fittings. This translates to lower labor costs and faster project turnover, especially in process plants and offshore facilities where layouts evolve. The forged brass construction provides durability and corrosion resistance, extending service life and lowering maintenance cycles in harsh environments such as chemical plants and mining operations. With a 1-1/2" trade size, the coupling aligns with standard conduit systems, enabling seamless compatibility with existing inventories and reducing the need for adapters or special-order parts. Male connections on both ends simplify field assembly, delivering secure electrical interfaces and faster retrofit workflows. NEC/CEC compliance and Class I, Division 1 rating, complemented by UL declarations, reduce regulatory risk and simplify audits for cross-border projects. Overall, ECGJH521 serves as a robust, scalable solution for hazardous area fittings that supports safer operations and lower total cost of ownership across industrial facilities.
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FAQs
Begin by verifying the 1-1/2" trade size matches your conduit system. Ensure power is off and use appropriate heat-rated hardware. Connect both ends with the ECGJH521’s male-ended fittings, secure with approved conduit gaskets, and follow the IF 1618 installation instructions from Eaton for proper torque and sealing. Regularly inspect seals and alignment after installation.
ECGJH521 is certified for NEC/CEC compliance and rated for Class I, Division 1 hazardous locations, with area classification Hazardous/Classified Locations. UL declaration of conformity documents are available, and the device is listed for safe use in hazardous environments, reducing regulatory risk during audits and cross-border deployments.
ECGJH521 uses a standard 1-1/2" trade size and male-end connections designed for the Crouse-Hinds ECGJH line. While optimized for Eaton Crouse-Hinds products, compatibility with other brands depends on matching thread and gasket standards. Always verify catalog specifications (ECGJH521, catalog page references) before mixing brands in critical hazardous-area applications.
Typical uses include conduit connections in chemical processing plants, oil and gas facilities, mining operations, and any installation in NEC Class I, Division 1 hazardous locations. The 21" flexible length accommodates layouts with space constraints, while the 1-1/2" trade size supports standard conduit systems, reducing fabrication and installation time.
The forged brass construction provides durability and corrosion resistance, lowering maintenance needs in aggressive environments. Regular inspections should verify gasket integrity and seal compression, especially after thermal cycling or mechanical stress. Rely on UL DoC documentation and installation sheets for ongoing compliance checks and replacement guidance when servicing hazardous-area fittings.