Eaton GUB03 SA Explosionproof Junction Box - Hazardous
Part Number: GUB03 SA
Manufacturer
Eaton Crouse-Hinds
Part number
GUB03 SA
Quick Summary
GUB03 SA junction box from Eaton Crouse-Hinds provides rugged explosionproof enclosure for hazardous locations. Engineers often encounter delays and noncompliant installations when selecting enclosures for hazardous-area projects. This model is NEC/CEC compliant and rated for Class I, Division 1 and 2, Class II, Division 1 and 2, Class III, with NEMA 4, 7 and 9 protection. With copper-free aluminum construction and a precise 11 x 12 x 8-13/16 inch footprint, it delivers durable performance and reliable field wiring, reducing downtime and maintenance costs. The combination of robust build, documented installation guidance, and readily available references supports faster project commissioning and safer, compliant operation in demanding environments.
Product Information
Extended Description
GUB03 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series GUB junction box, 9-5/8" cover opening, 11" x 12" x 8-13/16", Copper-free aluminum
Product Name
Eaton Crouse-Hinds series GUB junction box
Catalog Number
GUB03 SA
UPC
782274469911
Product Length/Depth
11 in
Product Height
12 in
Product Width
8.81 in
Product Weight
41.05 lb
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
4 7 9
Enclosure size
11" x 12" x 8-13/16"
Cover opening size
9-5/8 in
Material
Copper-free aluminum
Crouse-Hinds series GUE and GUB Explosionproof Junction Boxes catalog page
GUE and GUB Explosionproof Junction Boxes UL certification
IF 1172 - GU/GUE/GUB Junction Boxes
Eaton Specification Sheet - GUB03 SA
Explosionproof protection design reduces ignition risk in hazardous locations, delivering safer, compliant installations and lowering total cost of ownership in oil, gas, and chemical processing facilities. The enclosure’s copper-free aluminum construction offers corrosion resistance and lighter weight compared with traditional alloys, improving handling and installation efficiency on rugged sites. Its generous internal footprint (11" x 12" x 8-13/16" enclosure size) and 9-5/8" cover opening enable easier wiring, device mounting, and service access, supporting faster turnaround and reduced field labor. Compliance with NEC/CEC across Class I, II, and III locations and NEMA ratings 4, 7, 9 provide a clear regulatory path and peace of mind for audits and inspections. Compatibility with standard installation instructions (IF 1172) and the GUE/GUB product family enhances procurement efficiency and inventory planning.
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FAQs
The GUB03 SA is designed for hazardous/classified locations with NEC/CEC compliance and Class I/II/III ratings. For proper installation, consult the IF 1172 instruction sheet and the Crouse-Hinds catalog pages. Ensure gasketing, mounting, and conduit entries are suitable for the environment, and verify that the enclosure size (11" x 12" x 8-13/16") accommodates the intended equipment while maintaining a safe clearance.
Key specs include a copper-free aluminum enclosure measuring 11" x 12" x 8-13/16", a cover opening of 9-5/8", and a weight of approximately 41.05 lb. It is listed under NEC/CEC for Hazardous/Classified Locations, with NEMA ratings 4, 7, and 9, and the catalog number GUB03 SA. The UPC is 782274469911, and it is part of Eaton’s GUE/GUB explosionproof line.
Yes. The GUB03 SA is specified for Hazardous/Classified Locations under NEC/CEC, including Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III, with NEMA ratings 4, 7, and 9. This ensures regulatory alignment for installation in oil, gas, chemical, and other hazardous environments, simplifying audits and safety approvals.
Durability comes from a copper-free aluminum enclosure that resists corrosion while remaining robust for field mounting. The NEMA 4/7/9 ratings and explosionproof design protect components and wiring in demanding locations. With a 9-5/8" cover opening and a generous internal volume, it also supports reliable long-term operation and reduced inspection intervals.
Official documentation is available via Eaton’s catalog pages and installation sheets. Downloads include the Crouse-Hinds GUE/GUB catalog page, UL certification for GUE/GUB Explosionproof Junction Boxes, IF 1172 installation instructions, and the Eaton Specification Sheet for GUB03 SA. These resources support design validation, compliance checks, and field installation planning.