Eaton GUB218 1 20 Instrument Housing - Explosionproof
Part Number: GUB218 1 20
Manufacturer
Eaton Crouse-Hinds
Part number
GUB218 1 20
Quick Summary
Eaton GUB218 1 20 instrument housing protects hazardous-area instrumentation in industrial facilities. This enclosure design addresses the common challenge of keeping critical sensors safe while routing top-conduit connections cleanly and reliably. It carries NEC/CEC/IEC certifications and strong NEMA ratings to support compliant installations in Class I, II, and III environments. When paired with a GUB02 basic housing, it delivers scalable protection, streamlined installation, and documentation consistency for projects with tight timelines. For engineers and procurement teams, the solution translates to reduced downtime, safer maintenance, and a clear path to regulatory compliance in hazardous locations.
Product Information
Extended Description
GUB218 1 20 Eaton Crouse-Hinds: Eaton Crouse-Hinds series GUB instrument housing, Top conduit opening, Feraloy iron alloy, 3/4", Empty housing, Used with GUB02 basic housing
Product Name
Eaton Crouse-Hinds series GUB instrument housing
Catalog Number
GUB218 1 20
UPC
782274001746
Product Length/Depth
9 in
Product Height
8.75 in
Product Width
6 in
Product Weight
36.36 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC IEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 7 9 12
Type
Empty housing
Used with
GUB02 basic housing
Trade size
3/4"
Conduit opening position
Top
Material
Feraloy iron alloy
Crouse-Hinds series GUB Explosionproof Instrument Enclosures catalog page
GUB Explosionproof Instrument Enclosures UL certification
IF 1112 - GUB Instrument Housings
Eaton Specification Sheet - GUB218 1 20
Feature: Top conduit opening enables direct, contamination-resistant conduit routing. Business Impact: Speeds up field wiring and reduces installation time, lowering labor costs while maintaining ingress protection. Application: Ideal for process automation enclosures in constrained spaces where cable routing is already tight. Feature: Feraloy iron alloy construction delivers rugged, corrosion-resistant protection. Business Impact: Extends service life in harsh industrial atmospheres, decreasing replacement cycles and maintenance spend. Application: Suitable for chemical plants and oil & gas facilities where exposure to aggressive environments is common. Feature: 3/4" trade size and empty housing type simplify integration with existing GUB02 basic housings. Business Impact: Promotes modularity and rapid deployment across multi-location installations, improving project efficiency. Application: Widely used in retrofit projects and new-build hazardous location panels. Feature: Dimensions and weight (9 in L x 8.75 in H x 6 in W; 36.36 lb) provide a predictable footprint for layout planning. Business Impact: Reduces enclosure clashing and simplifies equipment scheduling. Application: Fits standard skid layouts and rack-based installations. Feature: Certifications and compliance (Area classification, NEC/CEC IEC, NEMA 3 7 9 12). Business Impact: Ensures code-conforming installations and reliable risk mitigation in hazardous environments. Application: Essential for regulatory submissions and vendor qualification in petrochemical and refining sectors. All related specs support compatibility with GUB02 and broader Eaton Crouse-Hinds instrument enclosures ecosystem.
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FAQs
The GUB218 1 20 is an empty housing designed to pair with the GUB02 basic housing, sharing the same protection class and conduit interface. This compatibility enables modular assembly, simplifies field upgrades, and accelerates commissioning in hazardous locations. Ensure the top conduit opening aligns with your conduit layout and secure with the recommended fasteners per installation instructions.
GUB218 1 20 carries NEC/CEC/IEC standards for hazardous locations and NEMA ratings 3, 7, 9, 12. It is classified for Hazardous/Classified Locations (Class I, II, III) and supports top-conduit installations. These certifications help meet compliance requirements for refinery, chemical, and oil-and-gas facilities, reducing regulatory risk during audits.
Yes. The enclosure is designed for Hazardous/Classified Locations with Class I, Division 1 capability, along with additional Class II/III options. The Feraloy iron alloy and top conduit opening provide robust protection against explosive atmospheres, making it suitable for oil, gas, and refining processes where early containment and accessibility are critical.
The GUB218 1 20’s top conduit configuration simplifies wiring runs, reducing labor time and potential wiring errors. Its rugged Feraloy material extends service life in corrosive environments, lowering maintenance frequency. Compatibility with the GUB02 housing streamlines spare-part inventories and inventory planning, delivering a lower total cost of ownership over the system lifecycle.
Choosing the GUB218 1 20 reduces downtime through quicker field installation, fewer enclosure replacements due to durable Feraloy construction, and easier retrofits with existing GUB02 components. The combination of compliant certifications, robust material, and modular design translates to predictable maintenance schedules, reduced regulatory rework, and improved asset availability in hazardous environments.