Eaton EIH20 Instrument Enclosure - Hazardous Locations

Part Number: EIH20
Manufacturer
Eaton Crouse-Hinds
Part number
EIH20

Quick Summary

The Eaton EIH20 Instrument Enclosure protects safety-critical instruments in hazardous locations. Engineers often face corrosive environments and tight installation schedules that slow deployments. This enclosure meets Hazardous/Classified Locations area classifications, NEC/CEC standards, and NEMA ratings 3, 4, 4X, 7, and 9, reducing compliance risk and field failures. The copper-free aluminum body delivers robust durability while the standard 2" cover opening supports flexible wiring and easy accessory fitment. Designed for quick mounting and reliable protection, it helps minimize downtime, extend equipment life, and streamline maintenance in harsh industrial settings. It also pairs well with compatible Eaton Crouse-Hinds components for scalable, compliant control panels.

Product Information

Extended Description

EIH20 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EIH instrument enclosure, 2" cover opening, Standard cover, Copper-free aluminum, 3/4" trade size
Product Name
Eaton Crouse-Hinds series EIH instrument enclosure
Catalog Number
EIH20
Product Length/Depth
5.25 in
Product Height
4.54 in
Product Width
5.25 in
Product Weight
2.8 lb
UPC
782274414799
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
Standard
Cover opening size
2 in
Material
Copper-free aluminum
Copper-free aluminum construction provides excellent corrosion resistance and lower lifecycle maintenance, reducing total cost of ownership in chemical plants, offshore facilities, and other harsh environments. The 2 in cover opening enables flexible wiring and faster terminations, cutting installation time and improving first-time right builds for control panels. A standard cover and 3/4" trade size ports offer retrofit options and straightforward upgrades without replacing existing enclosures, improving project planning and reducing downtime. Compliance is a core feature, with NEC/CEC standards, Hazardous/Classified Locations rating, and NEMA 3, 4, 4X, 7, 9 protection, delivering safer operation and regulatory peace of mind. Weighing 2.8 lb, the enclosure is easier to handle, install, and reposition during panel assembly, wiring, and maintenance. The 5.25 in x 5.25 in x 4.54 in footprint balances compact enclosure footprint with instrument accommodation, simplifying layout planning and procurement across plant sites. The 2 in cover opening also supports common field-accessories and mounting hardware, enabling faster commissioning and scalable expansion with compatible Eaton Crouse-Hinds components.

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FAQs

The EIH20 offers a 2 in cover opening and 3/4 in trade size ports, enabling flexible wiring and standard conduit compatibility. Its copper-free aluminum body is designed for quick field mounting and straightforward accessory fitment, making retrofits and new installs efficient in hazardous locations.
EIH20 is rated for Hazardous/Classified Locations under NEC/CEC, with NEMA ratings 3, 4, 4X, 7, and 9. UL certifications support compliance for enclosures used in hazardous environments, providing confidence for installation in chemical, oil & gas, and other demanding facilities.
Yes. The copper-free aluminum construction, 2 in cover opening, and hazardous-location ratings make the EIH20 well-suited for chemical processing, offshore platforms, and similar environments where instrument protection and regulatory compliance are critical.
The enclosure reduces downtime with easier wiring and fast installation, lowers maintenance costs through durable corrosion resistance, and minimizes compliance risks with NEC/CEC and NEMA protections, delivering measurable long-term savings in asset uptime and panel reliability.
Recommended sources include the Eaton Crouse-Hinds EIH/EIHT catalog pages, UL certification reports, and installation sheets (IF 1458). Key datasheets are available in the Eaton specification packet for EIH20, and product pages link to UL and installation resources for quick reference.