Eaton Crouse-Hinds EYS3 Conduit Sealing Fitting - Group B Rated
Part Number: EYS3
Quick Summary
The EYS3 conduit sealing fitting from Eaton Crouse-Hinds provides reliable conduit sealing for hazardous locations in industrial facilities. Unsealed conduits invite moisture, dust, and ignition risks that can trigger downtime and compliance headaches. It carries NEC/CEC certifications with hazardous location ratings including Class I Division 1 & 2, Class II Division 1 & 2, and Class III, reinforcing safety and regulatory adherence. Designed for vertical installation and 1" trade size, the EYS3 combines rugged materials with proven performance to reduce maintenance costs and streamline installation workflows. This translates to lower total cost of ownership while preserving enclosure integrity in demanding environments.
Product Information
Extended Description
EYS3 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYS conduit sealing fitting, Female, Feraloy iron alloy and/or ductile iron, Vertical only, Group B rated, 1"
Product Name
Eaton Crouse-Hinds series EYS conduit sealing fitting
Catalog Number
EYS3
Product Length/Depth
1.75 in
Product Height
4.31 in
Product Width
1.75 in
Product Weight
1.98 lb
UPC
782274377605
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
Sealing position
Vertical only
Gender
Female
Trade size
1"
Material
Feraloy iron alloy Ductile iron
Special features
Group B rated
Eaton Crouse-Hinds EYS3 3D drawing
Crouse-Hinds series EYS and EZS Explosionproof Conduit Sealing Fittings catalog page
EYS and EZS Explosionproof Conduit Sealing Fittings UL certification
EYS and EZS Explosionproof Conduit Sealing Fittings UL certification
IF 287 - Conduit Sealing
Eaton Specification Sheet - EYS3
Feature: Rugged construction uses Feraloy iron alloy and/or ductile iron for superior mechanical integrity in harsh environments. Business Impact: Enhances durability, extends service life, and reduces replacement cycles in hazardous areas. Application: Ideal for outdoor or chemically aggressive settings where conduit seals must withstand corrosion and impact while maintaining enclosure integrity. Feature: Vertical-only sealing position ensures correct orientation for dependable ingress protection. Business Impact: Improves seal reliability and reduces rework during installation in tight or elevated enclosures. Application: Suitable for vertical conduit entries in cable trays and process facilities where gravity aids seal performance. Feature: 1" trade size with 1.75 in length and 4.31 in height supports standard installation footprints. Business Impact: Simplifies retrofit and adds compatibility with a broad range of conduits and fittings. Application: Fits common industrial layouts and leverages existing mounting patterns to minimize downtime. Feature: Group B rated and NEC/CEC compliance provide recognized protection ratings. Business Impact: Boosts safety certification alignment, speeds approvals, and mitigates regulatory risk. Application: Required in many hazardous locations for oil, gas, mining, and chemical processing plants. Feature: Comprehensive documentation and availability of CAD resources and catalogs (3D CAD drawing, catalog pages). Business Impact: Streamlines design validation and procurement, reducing design-to-order cycle time. Application: Engineering teams can verify fit and performance against project specs prior to installation. Feature: Material and finish compatibility with other Eaton Crouse-Hinds EYS/EZS family components. Business Impact: Facilitates scalable solutions across multiple terminations and enclosures, lowering training and inventory costs. Application: Industrial automation and electrical distribution systems requiring modular, compliant fittings. Note: This product supports installation instructions like IF 287 Conduit Sealing and is UL-certified for US and Canada, providing confidence in both domestic and cross-border projects.
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FAQs
The EYS3 is designed for 1" trade size conduits with a vertical sealing orientation and fits standard Eaton Crouse-Hinds enclosures. Its ferritic/ductile iron construction supports reliable mounting in hazardous locations, and installation follows IF 287 guidance for conduit sealing. Compatible with other EYS/EZS components to streamline retrofit projects.
EYS3 offers vertical-only sealing with Group B rating and NEC/CEC compliance. It supports Hazardous/Classified Locations and includes NEC Class I Divisions 1 and 2, Class II Divisions 1 and 2, and Class III. This ensures robust ingress protection in oil & gas, chemical, and other high-risk industrial environments.
Industries such as oil and gas, chemical processing, mining, and power generation benefit most due to the hazardous location ratings and durable iron alloys. The 1" trade size and vertical sealing orientation suit outdoor installations, control panel hybrids, and process lines where reliable conduit sealing reduces downtime and compliance risk.
The EYS3 is NEC/CEC compliant and UL-certified for hazardous locations in both the US and Canada. It targets Class I, Division 1 & 2, Class II, Division 1 & 2, and Class III environments, supporting regulatory approvals and safe operation across multi-region projects.
Rugged construction with Feraloy iron alloy and ductile iron delivers long service life in demanding environments, reducing replacement frequency. Its compatibility with 3D CAD assets and catalog pages accelerates design validation, while the straightforward vertical install minimizes maintenance downtime and training costs for installation teams.