Eaton EIHT220 Instrument Enclosure - Hazardous Locations
Part Number: EIHT220
Quick Summary
EIHT220 instrument enclosure protects sensors and controllers in hazardous locations, delivering rugged, reliable protection. Facilities struggle to locate durable enclosures that meet strict codes without heavy weight or frequent maintenance. These enclosures carry NEC/CEC hazardous-location ratings, including Class I (Divisions 1 and 2), Class II (Divisions 1 and 2), and Class III, plus a NEMA 3, 4, 7, 9 rating to support safe operation in chemical, oil, and industrial environments. The copper-free aluminum construction reduces weight and corrosion risk, while the 2 in blank cover on the power side and 4 in blank cover on the instrument side streamline field modifications and wiring. This combination delivers a cost-effective, long-term solution for instrument protection, installation efficiency, and regulatory compliance.
Product Information
Extended Description
EIHT220 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EIHT instrument enclosure, Copper-free aluminum, 2" blank cover power side, 4" blank cover instrument side, 3/4" trade size
Product Name
Eaton Crouse-Hinds series EIHT instrument enclosure
Catalog Number
EIHT220
Product Length/Depth
5.19 in
Product Height
8.95 in
Product Width
5.19 in
Product Weight
5.65 lb
UPC
782274954929
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 7 9
Trade size
3/4"
Material
Copper-free aluminum
Special features
2" blank cover power side, 4" blank cover instrument side
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 - EIHT220
Material and construction feature delivers measurable impact; for example, copper-free aluminum reduces corrosion concerns in chemical and industrial settings, while maintaining a manageable weight that lowers handling and installation costs. The enclosure’s 5.19 in length/width and 8.95 in height optimize a compact footprint, freeing panel space and simplifying mounting within crowded control rooms or field cabinets. The dedicated 2 in blank cover power side and 4 in blank cover instrument side provide field modification flexibility, enabling straightforward wiring changes without disassembling the enclosure, which translates to reduced labor time and downtime. With a 3/4 in trade size and NEMA 3/4/7/9 protection, the EIHT220 ensures reliable performance across a range of hazardous-location applications, supporting maintenance planning and lifecycle cost reduction. Compliance with NEC/CEC standards fosters regulatory confidence and smoother audits in regulated industries.
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FAQs
EIHT220 includes a 2" blank cover on the power side and a 4" blank cover on the instrument side, enabling field wiring modifications without removing the enclosure. Its 3/4" trade size supports compact panel layouts, and its copper-free aluminum construction reduces weight for easier handling during installation. These features combine to shorten commissioning times and simplify future expansions in hazardous environments.
EIHT220 is certified for NEC/CEC hazardous locations with Class I, Divisions 1 and 2, Class II, Divisions 1 and 2, and Class III ratings. It carries NEMA ratings 3, 4, 7, and 9, and is intended for Hazardous/Classified Locations. These certifications support compliance audits and enable safe operation in chemical, oil, gas, and industrial facilities.
Yes. The EIHT220 is designed for explosion-protected service in hazardous locations, meeting NEC/CEC classifications and NEMA protection levels suitable for chemical, refining, and petrochemical workflows. Its copper-free aluminum construction and sealed design help guard against ignition sources, moisture, and dust, making it a reliable choice for harsh process environments.
EIHT220 complies with NEC/CEC hazardous-location standards and is listed for UL certifications for enclosures used in hazardous locations. It also aligns with NEMA ratings 3, 4, 7, 9 and area classifications of Hazardous/Classified Locations. Installation guidance is available via Eaton’s IF 1458 sheets and the catalog/spec pages for reference.
The copper-free aluminum construction offers corrosion resistance with lighter weight, reducing maintenance cycles and handling costs. The dual blank-cover design minimizes rework during modifications, lowering field labor and downtime. When paired with the available installation documents and spec pages, EIHT220 supports longer service life and faster, code-compliant upgrades in hazardous environments.