Eaton Crouse-Hinds EIH23 Instrument Enclosure - Glass

Part Number: EIH23
Manufacturer
Eaton Crouse-Hinds
Part number
EIH23

Quick Summary

EIH23 instrument enclosure provides rugged, explosionproof protection for instrumentation in hazardous locations. Engineers face corrosion, dust ingress, and code compliance challenges that slow commissioning, so reliable enclosures are essential. This unit is certified for NEC/CEC hazardous locations with Class I, Division 1 and 2, Class II Division 1 and 2, and Class III ratings, complemented by UL listings and broad NEMA protection (3, 4, 4X, 7, 9). Copper-free aluminum delivers weight and corrosion advantages, while the glass cover enables quick field viewing. Its 4 in cover opening and 3/4 in trade size support straightforward wiring and maintenance, making it a practical choice for industrial control panels and instrumentation in demanding environments.

Product Information

Extended Description

EIH23 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EIH instrument enclosure, 4" cover opening, Glass cover, Copper-free aluminum, 3/4" trade size
Product Name
Eaton Crouse-Hinds series EIH instrument enclosure
Catalog Number
EIH23
Product Length/Depth
5.25 in
Product Height
6.54 in
Product Width
5.25 in
Product Weight
3.9 lb
UPC
782274414836
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
Feature – Explosionproof construction enables compliant operation in hazardous locations, reducing risk and enabling faster commissioning. Business impact – Improves safety, minimizes downtime, and supports regulatory compliance in refineries and chemical plants. Application – Use for instrument housings in oil and gas facilities where Class I/II/III ratings are required. Feature – Copper-free aluminum body delivers corrosion resistance with lighter weight, lowering handling costs and improving longevity in harsh environments. Business impact – Reduces maintenance frequency and total cost of ownership. Application – Suitable for outdoor enclosures or areas with corrosive vapors where rugged protection is needed. Feature – Glass cover and 4 in cover opening provide clear, rapid inspection of meters and sensors without removing the enclosure. Business impact – Accelerates routine checks and reduces downtime during maintenance. Application – Instrument panels in process plants requiring quick visual verification. Feature – Compact footprint (5.25 in L/D, 5.25 in W, 6.54 in H) and 3.9 lb weight support easy integration into tight control cabinets. Business impact – Improves cabinet density and reduces shipping/installation costs. Application – retrofit projects or new builds with space constraints. Feature – Comprehensive certifications including NEC/CEC hazard classifications and NEMA ratings 3, 4, 4X, 7, 9, with UL listings. Business impact – Ensures code compliance across jurisdictions and simplifies procurement for multi-site deployments. Application – Suitable for global deployments in chemical plants, power stations, and hazardous-area facilities. Feature – Documentation and standards support with IF 1458 declarations and Eaton specification sheets. Business impact – Streamlines installation planning and reduces design risk. Application – Engineers referencing installation sheets for field terminations and wiring.

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FAQs

The EIH23 uses a 3/4 in trade size for wiring, with a copper-free aluminum body and a 4 in cover opening that accepts standard instrument wiring and terminal blocks. For installation guidance, refer to IF 1458 declarations and the EIH23 specification sheet from Eaton.
The EIH23 is NEC/CEC compliant for Hazardous/Classified Locations with Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III. It carries NEMA ratings of 3, 4, 4X, 7, 9 and UL listings suitable for hazardous environments.
Yes. Its explosionproof construction, hazardous location ratings, and corrosion-resistant copper-free aluminum body make it well-suited for chemical processing and oil/gas facilities where harsh conditions and regulatory compliance matter most.
Key resources include the Eaton EIH23 Specification Sheet and IF 1458 installation sheets, plus UL certification pages and the Crouse-Hinds catalog page for EIH/EIHT enclosures. These documents guide mounting, terminations, and compliance considerations.
The copper-free aluminum construction offers corrosion resistance with reduced weight, lowering maintenance needs and handling costs. Its durable enclosure reduces field repair frequency, supports longer service intervals, and helps justify total cost of ownership in hazardous-area deployments.