Eaton Crouse-Hinds EYSX21 Expanded Sealing Fitting - Group B
Part Number: EYSX21
Quick Summary
Eaton Crouse-Hinds EYSX21 Expanded Sealing Fitting is a rugged explosion-proof conduit seal for hazardous industrial enclosures. When sealing electrical penetrations in harsh environments, you need reliable performance that minimizes maintenance and downtime. It carries NEC/CEC compliance and is rated for Hazardous/Classified Locations with Class I, Division 1 and 2; Class II, Division 1 and 2; Class III, ensuring safe operation across demanding plants. Used in wiring and connectivity installations, its Group B rating and compact 3/4 in size help streamline installations while meeting strict safety standards.
Product Information
Extended Description
EYSX21 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYSX expanded fill sealing fitting, Female, Feraloy iron alloy, Vertical or horizontal, Group B rated, 3/4"
Product Name
Eaton Crouse-Hinds series EYSX expanded fill sealing fitting
Catalog Number
EYSX21
Product Length/Depth
1.75 in
Product Height
4.31 in
Product Width
1.75 in
Product Weight
1.8 lb
UPC
782274943121
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
Gender
Female
Trade size
3/4"
Sealing position
Vertical or horizontal
Material
Feraloy iron alloy
Special features
Group B rated
Crouse-Hinds series EYSX Expanded Fill Explosionproof Conduit Sealing Fittings catalog page
EYSX Expanded Fill Explosionproof Conduit Sealing Fittings Canadian certification
EYSX Expanded Fill Explosionproof Conduit Sealing Fittings Canadian certification
IF 288 - EYSX and EYDX Expanded Sealing Fitting
Eaton Specification Sheet - EYSX21
Expanded fill sealing design provides a robust barrier against dust and moisture, delivering enhanced ingress protection. This translates to fewer field seal failures and lower maintenance costs in continuous operation environments. The Feraloy iron alloy construction delivers high mechanical strength and excellent corrosion resistance, extending service life in chemical, industrial, and outdoor installations. Vertical or horizontal sealing position offers flexible mounting options, simplifying retrofits and new builds alike, reducing installation time and potential errors. With NEC/CEC compliance and Hazardous/Classified Location ratings, the EYSX21 supports a wide range of global standards, helping customers pass audits and minimize compliance risk. At 3/4" trade size, 1.75 in length, and 1.75 in width, the compact footprint fits tight panel spaces, while installation guidance IF 288 streamlines field deployment. Compatible with standard conduit systems, it reduces training needs and accelerates project schedules for engineering teams.
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FAQs
The EYSX21 is a 3/4 in trade-size, female sealing fitting designed for vertical or horizontal sealing, enabling flexible mounting in varying panel layouts and conduit runs.
The fitting carries NEC/CEC standards with Hazardous/Classified Location ratings, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III, ensuring compliance across remote and industrial environments.
Yes. Its Class I Division 1 and 2 ratings, along with the Group B rating, make it suitable for chemical processing and other hazardous locations when used with proper installation practices per IF 288.
IF 288 - EYSX and EYDX Expanded Sealing Fitting provides the installation guidelines for EYSX sealing fittings, including EYSX21.
Constructed from Feraloy iron alloy with robust sealing, the EYSX21 delivers long service life and reduced maintenance downtime, supporting lower total cost of ownership in demanding facilities.