Eaton Crouse-Hinds EYS81 Conduit Sealing Fitting - Group B Rated
Part Number: EYS81
Quick Summary
Eaton Crouse-Hinds EYS81 conduit sealing fitting protects enclosures in hazardous locations. Operators and maintenance teams face costly seal failures when fittings are not rated for the environment. This unit carries NEC/CEC compliance, UL certification, and area-classified approvals for Hazardous/Classified Locations, with Class I, Division 1 and related ratings. Designed for 3-inch trade size and vertical or horizontal sealing, it delivers reliable performance in demanding industrial environments while reducing maintenance costs. The Group B rating and robust ferrous composition translate to lower lifecycle cost and safer installations, supporting tight project timelines and compliance-driven procurement.
Product Information
Extended Description
EYS81 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYS conduit sealing fitting, Female, Feraloy iron alloy and/or ductile iron, Vertical or horizontal, Group B rated, 3"
Product Name
Eaton Crouse-Hinds series EYS conduit sealing fitting
Catalog Number
EYS81
Product Length/Depth
8.5 in
Product Height
5.5 in
Product Width
4.25 in
Product Weight
12.65 lb
UPC
782274364971
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 or horizontal
Gender
Female
Trade size
3"
Material
Feraloy iron alloy Ductile iron
Special features
Group B rated
Eaton Crouse-Hinds EYS81 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 - EYS81
Feature: Material and construction – The EYS81 uses Feraloy iron alloy and/or ductile iron for superior strength and corrosion resistance. Business Impact: Extends service life in harsh environments and reduces replacement cycles. Application: Ideal for outdoor or chemical plants where seal integrity matters. Feature: Sealing position – Vertical or horizontal sealing accommodates diverse enclosure configurations and simplifies retrofits. Business Impact: Faster installation and reduced field error, lowering labor costs. Application: Use on standard 3-inch conduit seals in control cabinets. Feature: Size and compatibility – 3-inch trade size female fitting with a compact footprint (8.5 in L, 5.5 in H, 4.25 in W; 12.65 lb). Business Impact: Clear space planning and predictable shipping; Application: Fits common industrial enclosures. Feature: Certifications – NEC/CEC compliance, UL listings, and Hazardous/Classified Locations approvals (Class I/II/III). Business Impact: Meets stringent regulatory requirements, enabling faster approvals. Application: Essential for oil & gas, mining, and chemical processing projects. Feature: Group B rated – Targeted explosion protection in appropriate classes. Business Impact: Reduces risk of ignition and unplanned outages; Application: Reliable sealing for critical infrastructure.
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FAQs
Install with the 3-inch female connection in a compatible enclosure, ensure vertical or horizontal sealing as required, verify the ferrous material and Group B rating, and torque per Eaton installation instructions to maintain certified protection.
EYS81 supports NEC/CEC standards, UL certifications for hazardous locations, and area-classified approvals, with ratings including Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III.
Yes. It is a 3-inch trade-size female conduit sealing fitting designed to seal standard conduit entries into electrical enclosures, with vertical or horizontal sealing options.
Group B rating targets ignition protection in specific hazardous environments, reducing risk of ignition and unplanned outages while meeting regulatory requirements.
By preventing seal ingress and extending service life in harsh locations, EYS81 lowers maintenance costs, reduces downtime, and supports faster project approvals through certified compliance.