Eaton Crouse-Hinds EIH23 2 Enclosure - Hazardous Locations
Part Number: EIH23 2
Quick Summary
The EIH23 2 instrument enclosure from Eaton Crouse-Hinds protects critical process instrumentation in hazardous locations. It addresses field-installation challenges by providing a rugged, sealed housing with glass viewing capability for quick status checks. With NEC/CEC compliance and UL hazardous-location certifications, plus NEMA ratings 3, 4, 4X, 7, and 9, it meets rigorous safety and performance requirements. The copper-free aluminum construction offers corrosion resistance without adding excessive weight, while a 4 in cover opening and 3/4 in trade size support flexible, reliable wiring. This combination delivers durable protection, easier maintenance, and lower total cost of ownership in demanding industrial environments.
Product Information
Extended Description
EIH23 2 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EIH instrument enclosure, 4" cover opening, Glass cover, Copper-free aluminum, Additional 3/4" drilled and tapped opening in external boss, 3/4" trade size
Product Name
Eaton Crouse-Hinds series EIH instrument enclosure
Catalog Number
EIH23 2
Product Length/Depth
5.25 in
Product Height
6.54 in
Product Width
5.25 in
Product Weight
3.92 lb
UPC
782274785196
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
NEMA Rating
3 4 4X 7 9
Trade size
3/4"
Cover type
Glass
Cover opening size
4 in
Material
Copper-free aluminum
Special features
Additional 3/4" drilled and tapped opening in external boss
Crouse-Hinds series EIH and EIHT Explosionproof Instrument Enclosures catalog page
EIH and EIHT Explosionproof Instrument Enclosures UL certification (Enclosures)
EIH and EIHT Explosionproof Instrument Enclosures UL certification (Enclosures)
EIH and EIHT Explosionproof Instrument Enclosures UL certification (Enclosures)
IF 1458 - Type EIH and EIHT Declaration of Manufacturer
IF 1458 - Type EIH and EIHT Declaration of Manufacturer
Eaton Specification Sheet - EIH23 2
Copper-free aluminum construction provides long-term corrosion resistance and lighter weight, reducing installation time and handling costs while improving environmental durability in harsh plants. The glass cover with a 4 in opening enables quick visual verification of sensors and indicators, speeding commissioning and routine checks while maintaining enclosure integrity. Compatibility with a 3/4 in trade size conduit and an additional 3/4 in external boss simplifies wiring and future expansion, reducing field rework and downtime. Certified for Hazardous/Classified Locations with NEC/CEC compliance and NEMA ratings 3, 4, 4X, 7, 9, this enclosure supports compliant installations across chemical, oil & gas, and power generation settings, minimizing regulatory risk. At 5.25 in by 5.25 in by 6.54 in and weighing 3.92 lb, it fits compact control panels and narrow spaces without compromising protection. The instrument enclosure’s rugged design also supports quick mounting and standardization across multiple skid or rack configurations, delivering predictable maintenance routines and higher uptime.
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FAQs
The EIH23 2 supports a 3/4 in trade size conduit and includes an additional 3/4 in drilled and tapped opening in the external boss. This enables straightforward wiring runs and future expansion without modifying the enclosure, helping reduce field rework and installation time.
It carries NEC/CEC compliance, UL certifications for hazardous locations, and a NEMA rating of 3, 4, 4X, 7, 9. The area classification is Hazardous/Classified Locations, making it suitable for control and instrumentation in demanding industrial environments.
Yes. The copper-free aluminum construction, combined with the listed NEMA ratings and UL certifications, provides protection against dust, water, and corrosive atmospheres typical in outdoor or harsh indoor environments, supporting a wide range of industrial installations.
The enclosure measures 5.25 in (L) by 5.25 in (W) by 6.54 in (H) and weighs 3.92 lb, offering a compact footprint suitable for tight control panels while maintaining robust protection for sensitive instrumentation.
Official references include the Crouse-Hinds EIH/EIHT instrument enclosures catalog page, UL certification pages, and Eaton installation sheets IF 1458. The Eaton specification sheet for EIH23 2 provides detailed dimensional data, materials, and mounting guidance.