Eaton Crouse-Hinds GUAH77775 Junction Box - Hazardous
Part Number: GUAH77775
Manufacturer
Eaton Crouse-Hinds
Part number
GUAH77775
Quick Summary
GUAH77775 junction box from Eaton Crouse-Hinds provides rugged, explosion-proof enclosure for hazardous locations. In harsh industrial environments, unreliable enclosures lead to corrosion, moisture ingress, and costly maintenance. These boxes meet NEC/CEC standards and hazardous-location approvals (Class I, Division 1 and 2; Class II, Division 1 and 2; Class III) to simplify compliance and installation planning. Built with a Feraloy iron alloy housing and a four-hub layout that includes 3/4-inch top and bottom hubs, they support fast wiring and versatile conduit routing. The compact 7 x 3.5 x 3.75 inches footprint with a 5.4 lb weight translates to easier handling on site, while supporting durable, long-term reliability for critical electrical infrastructure projects.
Product Information
Extended Description
GUAH77775 Eaton Crouse-Hinds: Eaton Crouse-Hinds series GUAH junction box, 3/4" bottom hub, Feraloy iron alloy, 4 hubs, 3/4" top hub
Product Name
Eaton Crouse-Hinds series GUAH junction box
Catalog Number
GUAH77775
Product Length/Depth
7 in
Product Height
3.75 in
Product Width
3.5 in
Product Weight
5.4 lb
UPC
782274464602
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
Number of hubs
4
Bottom hub size
3/4"
Top hub size
3/4"
Material
Feraloy iron alloy
Crouse-Hinds series GUA Explosionproof Junction Boxes with Union Hubs catalog page
GUA Explosionproof Junction Boxes with Union Hubs UL certification
Eaton Specification Sheet - GUAH77775
Feature: Feraloy iron alloy housing provides rugged durability in hazardous locations. Impact: This material choice delivers high mechanical strength and chemical resistance, reducing deformation and corrosion for long service life. Application: Ideal for chemical plants, refineries, and offshore facilities where aggressive environments demand robust enclosures. Feature: 4-hub design with 3/4-inch top and bottom hubs. Impact: Simplifies conduit routing, improves wiring efficiency, and enables neater, code-compliant terminations. Application: Supports multi-cable feeds in tight installations common in process automation and utility rooms. Feature: Compact 7 in length, 3.75 in height, 3.5 in width with a 5.4 lb weight. Impact: Easier handling, faster installation, and reduced labor costs without compromising enclosure integrity. Application: Suitable for retrofit projects and new builds where space is limited. Feature: NEC/CEC compliance and hazardous-location ratings (Class I Div 1/2; Class II Div 1/2; Class III). Impact: Streamlines regulatory approval, reduces risk, and accelerates project timelines. Application: Essential for oil and gas, chemical processing, and mining environments. Feature: Access to UL certification and Eaton specification resources. Impact: Provides validated documentation for QA, procurement, and audits, lowering supplier risk. Application: Supports supplier qualification and compliance workflows in regulated facilities. Feature: 4-hub, bottom/top hub compatibility with standard conduits. Impact: Facilitates scalable wiring schemes and future expansions. Application: Fits common industrial wiring practices in distribution panels and process cabinets.
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FAQs
The GUAH77775 is a four-hub explosion-proof junction box with 3/4-inch top and bottom hubs, designed to route multiple conductors within a compact enclosure. This configuration simplifies wiring, reduces conduit runs, and supports efficient field installations in hazardous locations.
Yes. The GUAH77775 is rated for NEC/CEC compliance with hazardous-location approvals including Class I Division 1 and Division 2, as well as Class II and Class III ratings. This makes it appropriate for areas with flammable gases, vapors, and combustible dust, supporting safe operation and code conformance.
Feraloy iron alloy offers superior mechanical strength and corrosion resistance, delivering lasting protection against impact, moisture, and chemical exposure. For plants with aggressive process media, this material choice minimizes enclosure degradation and maintenance needs, sustaining uptime and device protection.
With a four-hub design, 3/4-inch top and bottom hubs, and a manageable 5.4 lb weight, installers benefit from faster wiring, simpler routing, and less labor on site. Combined with NEC/CEC compliance, this reduces commissioning time and ongoing maintenance costs, lowering total cost of ownership over the enclosure’s life.
Official documentation includes the Eaton GUAH77775 specification sheet and catalog pages, as well as UL certification records. Accessing these documents supports procurement, QA reviews, and compliance audits, ensuring accurate installation guidance and verifiable safety credentials.