Eaton Crouse-Hinds EYS66 SA Conduit Sealing Fitting Class I
Part Number: EYS66 SA
Quick Summary
The EYS66 SA conduit sealing fitting by Eaton Crouse-Hinds provides rugged, explosion-proof sealing for hazardous-area conduit installations. Field technicians face downtime and compliance risk when seals fail in harsh environments, making reliable, code-compliant fittings essential. This model carries NEC/CEC certifications and hazardous-location ratings, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III ratings, supporting safe, compliant deployments. Copper-free aluminum keeps weight manageable while resisting corrosion, and the vertical or horizontal sealing orientation supports flexible, space-conscious installations. For procurement teams, the 2-inch trade size and clear specifications help streamline BOMs, reduce SKUs, and accelerate project quotes. This combination of rugged build, approved documentation, and flexible mounting makes it a dependable choice for mining, chemical processing, and oil & gas control panels.
Product Information
Extended Description
EYS66 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYS conduit sealing fitting, Male and female, Copper-free aluminum, Vertical or horizontal, 2"
Product Name
Eaton Crouse-Hinds series EYS conduit sealing fitting
Catalog Number
EYS66 SA
Product Length/Depth
3 in
Product Height
6.25 in
Product Width
3 in
Product Weight
2.1 lb
UPC
782274379623
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
Male and female
Trade size
2"
Material
Copper-free aluminum
Crouse-Hinds series EYS and EZS Explosionproof Conduit Sealing Fittings catalog page
EYS and EZS Explosionproof Conduit Sealing Fittings Canadian certification
EYS and EZS Explosionproof Conduit Sealing Fittings Canadian certification
IF 287 - Conduit Sealing
Eaton Specification Sheet - EYS66 SA
Feature copper-free aluminum construction → Business Impact reduced weight and excellent corrosion resistance in harsh environments → Application outdoor facilities, chemical plants, or offshore panels. Feature vertical or horizontal sealing → Business Impact installation flexibility lowers labor time and misalignment risk → Application: conduit runs with variable orientation. Feature 2-inch trade size → Business Impact standardizes parts and simplifies inventory → Application: common industrial conduit systems and quick quoting. Feature NEC/CEC compliance and Class I–III hazardous location ratings → Business Impact regulatory alignment and risk mitigation → Application: mining, refineries, and chemical processing environments. Feature 3-inch length, 6.25-inch height, 3-inch width, and 2.1-pound weight → Business Impact manageable handling and straightforward mounting in confined spaces → Application: tight control panels and compact electrical rooms. Feature copper-free aluminum and explosion-proof design → Business Impact improved lifecycle durability and lower maintenance costs → Application: long-term installations in hazardous-area facilities. This set of features supports faster project kickoff, fewer substitution issues, and a clear path to compliance across multiple regions.
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FAQs
The EYS66 SA is designed specifically for 2-inch trade size conduits and supports both vertical and horizontal sealing orientations. The copper-free aluminum body ensures corrosion resistance, while the male and female configuration facilitates straightforward mating with standard 2" conduit runs. This combination streamlines installation, reduces field errors, and supports reliable sealing in demanding hazardous environments.
EYS66 SA carries NEC/CEC standards and is approved for Hazardous/Classified Locations. The NEC hazardous rating includes Class I, Division 1 and Division 2, Class II Division 1 and Division 2, and Class III, providing broad compliance coverage for chemical, mining, oil, and gas applications. This enables safer installations and easier regulatory acceptance across multiple jurisdictions.
Yes. The EYS66 SA specifies sealing position as vertical or horizontal, allowing flexible mounting to accommodate various panel layouts and conduit routes. This versatility simplifies retrofits and new installations, reduces rework, and helps maintain seal integrity in tight or awkward spaces commonly found in industrial plants.
The EYS66 SA measures 3 inches in length, 6.25 inches in height, and 3 inches in width, with a product weight of 2.1 pounds. This compact yet robust footprint supports easier handling during installation and fits within standard enclosure and conduit layouts typical of U.S. and international industrial sites.
Installation guidance and datasheets are provided by Eaton Crouse-Hinds. Look for IF 287 - Conduit Sealing instruction sheets and the Eaton Specification Sheet for EYS66 SA. These documents cover mounting steps, sealing orientations, certifications, and compatibility notes to ensure compliant, efficient installation and ongoing maintenance.