Eaton JGX3125FAGC Complete MCCB - UL Listed CE Marked
Part Number: JGX3125FAGC
Quick Summary
The Eaton JGX3125FAGC is a Series G molded case circuit breaker protecting heavy-load feeders in industrial equipment. Designers and technicians often face the challenge of selecting protection that meets 600 Vac ratings while preserving reliable selective coordination and fast fault clearing. The device carries CE Marked, UL Listed, CSA Certified, and IEC Rated credentials to support global deployments and regulatory compliance. In practice, the JGX3125FAGC simplifies panel integration with metric mounting hardware and line/load terminals, enabling straightforward installation and future upgrades. With 125 A ratings, three poles, and robust interrupt capability, it delivers dependable protection with predictable trips—minimizing downtime and optimizing panel space and maintenance schedules.
Product Information
Extended Description
JGX3125FAGC Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Three-pole, 125A, 600 Vac, 200 kAIC at 240 Vac, 200 kAIC at 480 Vac, 50 kAIC at 600 Vac, Line and load, Metric, 50/60 Hz, 100% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGX3125FAGC
UPC
786685581675
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
CSA Certified UL Listed IEC Rated
Type
Complete breaker
Amperage Rating
125 A
Voltage rating
600 Vac
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Rating
100% rated
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 200 kAIC at 480 Vac
Number of poles
Three-pole
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
Feature: Fixed thermal, adjustable magnetic trip (T185) on a JG frame complete breaker. Business Impact: Enables precise protection curves and reduced nuisance trips, improving machine uptime. Application: Protects motors and feeders in 3-phase panels with predictable trip behavior. Feature: High interrupt rating of 50 kAIC at 600 Vac and 200 kAIC at 240/480 Vac. Business Impact: Withstand fault currents common in industrial power distribution, reducing damage risk and downtime. Application: Industrial facilities with diverse supply conditions and large motor loads. Feature: Line and load terminals with metric mounting hardware. Business Impact: Simplifies wiring, lowers installation time, and supports compact panel layouts. Application: Control panels and MCC assemblies where space and reliability matter. Feature: 125 A, three-pole design, 600 Vac, 50/60 Hz. Business Impact: Standardized protection across multi-line systems, enabling modular, scalable equipment. Application: Motor control centers and machine builders requiring robust 3-phase protection. Feature: Certifications and warranty (CE Marked, UL Listed, CSA Certified, IEC Rated; 1-year warranty per Eaton policy). Business Impact: Ensures regulatory compliance and supplier support, reducing procurement risk. Application: Global projects and regulated environments that demand traceable compliance and support.
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FAQs
Install with metric mounting hardware in a suitable enclosure, connect line and load terminals per the nameplate, and secure wiring to established torque values. The three-pole design fits standard MCCB spaces, enabling straightforward wiring routes and clean panel layouts. Confirm compatibility with Series G accessories for coordinated protection.
The JGX3125FAGC offers 50 kAIC at 600 Vac and 200 kAIC at 240/480 Vac, supporting high fault-current scenarios typical in industrial power distribution while maintaining selective coordination with compatible devices.
Yes. The device is UL Listed, CSA Certified, IEC Rated, and CE Marked, ensuring global compliance and suitability for international installations and end-user regulatory requirements.
Ideal for protecting motor feeders, control panels, and three-phase power distribution in manufacturing, processing, and packaging facilities. Its 125 A rating, 600 Vac operation, and T185 trip type support reliable protection in demanding industrial environments.
Eaton provides a one-year warranty from installation or 18 months from shipment (whichever comes first). For maintenance, monitor trip performance, verify torque on terminations, and inspect mounting to preserve reliability and coordination with existing Series G devices.