Eaton JGU3125AAG Molded Case Circuit Breaker - UL Listed

Part Number: JGU3125AAG
Manufacturer
Eaton
Part number
JGU3125AAG

Quick Summary

The Eaton JGU3125AAG molded case circuit breaker provides reliable overcurrent protection for three-pole industrial panels. In fast-changing plants, misconfiguration or compatibility gaps can trigger nuisance trips and costly downtime. It carries IEC rated, UL Listed, and CSA Certified marks with CE marking for global compliance. Designed for Series G and 125 A at 600 Vac with adjustable thermal and magnetic trips, it simplifies panel design and procurement. For machine builders and panel integrators, this MCCB delivers consistent protection with a compact footprint. Its line-and-load terminals and metric mounting support quick field wiring and OEM installs. This combination minimizes downtime and enables scalable, compliant protection across diverse automation projects.

Product Information

Extended Description

JGU3125AAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Adjustable thermal, adjustable magnetic trip, Three-pole, 125A, 600 Vac, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 50 kAIC at 600 Vac, Line and load, Metric, 50/60 Hz
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGU3125AAG
UPC
786685126814
Product Length/Depth
3.57 in
Product Height
4.13 in
Product Width
4.13 in
Product Weight
6 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
CE Marked
Certifications
IEC Rated UL Listed CSA Certified
Type
Complete breaker
Amperage Rating
125 A
Voltage rating
600 Vac
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50/60 Hz
Mounting hardware
Metric
Interrupt rating
50 kAIC at 600 Vac 200 kAIC at 240 Vac 150 kAIC at 480 Vac
Number of poles
Three-pole
Feature: Three-pole JG frame, Series G complete breaker → Business Impact → Application: Standardizes protection across multi-pole panels, enabling consistent coordination with motors and feeders in industrial control panels. This reduces design time and improves reliability in machine builds and line start-up. Long-tail keywords: Series G MCCB, JG frame, three-pole MCCB. Feature: Adjustable thermal and magnetic trip → Business Impact → Application: Fine-tune protection to tolerate normal start-up surges while preventing short-circuit damage, decreasing nuisance trips in conveyors and packaging lines. Supports configurable protection strategies for critical loads. Long-tail keywords: adjustable trip MCCB, thermal magnetic trip, nuisance-trip reduction. Feature: Line and load terminals with metric mounting → Business Impact → Application: Simplifies wiring, enables faster panel assembly, and supports international panel standards. Reduces installation errors and improves field serviceability in global projects. Long-tail keywords: line/load terminals, metric mounting, panel wiring efficiency. Feature: High interrupt ratings (50 kAIC at 600 Vac; 200 kAIC at 240 Vac; 150 kAIC at 480 Vac) → Business Impact → Application: Enhanced short-circuit withstand and safer distribution in heavy-duty equipment and process lines, minimizing fault impact and downtime. Long-tail keywords: 50 kAIC 600 Vac, short-circuit rating, high interrupt capability. Feature: Certifications and compliance (IEC Rated, UL Listed, CSA Certified, CE Marked) → Business Impact → Application: Global procurement confidence and regulatory readiness for multinational facilities, OEMs, and integrators. Long-tail keywords: IEC rated MCCB, UL Listed circuit breaker, CSA certified MCCB. Feature: Compact footprint and weight (3.57 in depth; 4.13 in height/width; 6 lb) → Business Impact → Application: Space-saving installation in tight control panels and modular consoles, enabling higher panel density. Long-tail keywords: compact MCCB, space-saving electrical protection, lightweight molded case breaker.

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FAQs

JGU3125AAG uses line and load terminals with metric mounting hardware, designed for three-pole installations. This enables straightforward wiring, compatible panel mounting across international standards, and quick field wiring during installation or retrofit projects in industrial panels.
Yes. The breaker is rated for 600 Vac and provides 125 A continuous current with interrupt ratings of 50 kAIC at 600 Vac, 200 kAIC at 240 Vac, and 150 kAIC at 480 Vac, offering robust short-circuit protection across varying system voltages.
The JGU3125AAG carries IEC rated, UL Listed, and CSA Certified markings plus CE marking. These certifications help ensure regulatory compliance, global acceptance in OEM panels, and streamlined procurement for multinational projects.
Series G complete breakers provide a compact, standardized footprint with metric mounting and line/load terminals, which simplifies wiring and reduces assembly time. Their consistent frame and trip characteristics aid in faster cabinet designs and easier cross-model compatibility during upgrades.
Warranty follows Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever comes first. This provides coverage for manufacturing defects and supports maintenance planning for long-term system reliability.