Eaton GUSC3120 15 GB Circuit Breaker Load Center - Group B
Part Number: GUSC3120 15 GB
Manufacturer
Eaton Crouse-Hinds
Part number
GUSC3120 15 GB
Quick Summary
GUSC3120 15 GB circuit breaker load center is designed to safely protect electrical circuits in hazardous locations. Substituting a non-explosion-proof solution or misapplying breakers can lead to safety hazards, downtime, and regulatory exposure. The unit carries NEC/CEC compliance and hazardous-location ratings, including Class I Division 1 and Division 2, Class II Division 1 and Division 2, and Class III, plus NEMA ratings of 3, 7, 9, and 12. With compact dimensions (7.75 in long, 7.81 in high, 5.81 in wide) and a robust Feraloy iron alloy body, it fits into tighter panels while delivering durable protection. Together with Eaton's documentation and GUSC series ecosystem, it supports faster procurement, easier commissioning, and longer service life in demanding facilities.
Product Information
Extended Description
GUSC3120 15 GB Eaton Crouse-Hinds: Eaton Crouse-Hinds series GUSC circuit breaker load center, 15A, Feraloy iron alloy, 1 breaker, Two-pole, Group B rated, 1" trade size, 240 Vac
Product Name
Eaton Crouse-Hinds series GUSC circuit breaker load center
Catalog Number
GUSC3120 15 GB
UPC
782274000886
Product Length/Depth
7.75 in
Product Height
7.81 in
Product Width
5.81 in
Product Weight
11.45 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
3 7 9 12
Number of breakers
1
Number Of Poles
Two-pole
Amperage Rating
15A
Trade size
1"
Material
Feraloy iron alloy
Voltage rating
240 Vac
Special features
Group B rated
GUSC Series Explosionproof Circuit Breaker Load Centers catalog page
GUSC Explosionproof Circuit Breaker Load Centers UL certification
Eaton Specification Sheet - GUSC3120 15 GB
Explosion-proof design and hazardous-location ratings ensure safe operation in explosive atmospheres. This reduces ignition risk, regulatory hurdles, and maintenance downtime for critical processes. Applications span chemical processing, mining, and offshore facilities where Group B classifications are essential. Feraloy iron alloy construction translates to rugged durability under thermal cycling and vibration, delivering fewer field failures and lower maintenance costs in harsh environments. The compact footprint, 7.75 in × 7.81 in × 5.81 in and 1 trade size, simplifies panel integration and reduces shipping weight, enabling faster installation and retrofit projects. Clear NEC/CEC compliance with NEMA ratings 3, 7, 9, 12 ensures regulatory alignment and long-term reliability in demanding facilities. Documentation, catalogs, and datasheets from Eaton support rapid procurement and accurate installation planning. Group B rating adds targeted protection for hazardous locations, reducing risk and warranty concerns.
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FAQs
Begin with verifying the panel is rated for hazardous locations and the enclosure matches Class I Division 1/2 and Class II Division 1/2 requirements. Mount the unit in a suitable enclosure, connect the single two-pole 15 A breaker to the bus, and follow NEC/CEC wiring practices. Use proper torque and secure all terminations to ensure a reliable, code-compliant installation.
This unit is rated for 15 A at 240 V AC, with a single two-pole breaker in a 1 inch trade size. The housing uses Feraloy iron alloy, offering robust protection suitable for hazardous locations. It is designed for safe operation in Group B environments and aligns with NEC/CEC standards.
Yes. The GUSC3120 15 GB carries NEC hazardous-location ratings covering Class I Division 1 and Division 2, Class II Division 1 and Division 2 (and Class III as applicable). It also features NEMA ratings of 3, 7, 9, and 12, making it suitable for a broad range of hazardous environments.
The unit complies with NEC/CEC standards for hazardous locations, includes area classifications for hazardous sites, and is supported by UL documentation. It also carries NEMA ratings 3, 7, 9, 12 and is compatible with Eaton GUSC catalogs and spec sheets for verification during approvals.
The explosion-proof construction and Group B rating reduce the risk of failures in hazardous environments, lowering unplanned downtime and maintenance costs. Long service life, available Eaton documentation, and compatibility with GUSC accessories streamline procurement and commissioning, delivering faster project completion and improved total cost of ownership.