Eaton JGX9125AAG Molded Case Circuit Breaker - 200 kAIC at 240/480 Vac
Part Number: JGX9125AAG
Quick Summary
The Eaton JGX9125AAG molded case circuit breaker protects industrial power feeds by providing adjustable thermal and magnetic trip. Engineers often struggle with coordinating protection while fitting high-density panels; this unit's four-pole JG frame reduces space and helps ensure selective coordination. UL Listed, CSA Certified, and IEC Rated certifications provide global confidence, while CE marking supports EU compliance. With metric mounting and a 125 A rating at up to 600 Vac, it delivers reliable protection for control panels and distribution enclosures, enabling safer installations, easier procurement, and lower lifecycle risk.
Product Information
Extended Description
JGX9125AAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, adj. thermal, adj. magnetic trip, Four-pole, 125A, 600 Vac, 200 kAIC at 240 Vac, 200 kAIC at 480 Vac, 50 kAIC at 600 Vac, Line/load, Metric, 50/60 Hz, 100% protected neutral pole
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGX9125AAG
UPC
786685127668
Product Length/Depth
3.57 in
Product Height
5.34 in
Product Width
5.34 in
Product Weight
8 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
UL Listed CSA Certified IEC Rated
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
Protection
100% protected neutral pole
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50/60 Hz
Mounting hardware
Metric
Interrupt rating
200 kAIC at 240 Vac 200 kAIC at 480 Vac 50 kAIC at 600 Vac
Number of poles
Four-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: Adjustable thermal and magnetic trip; Business Impact: Enables precise protection coordination and fewer nuisance trips, reducing unplanned downtime; Application: Suitable for industrial control panels and power distribution enclosures. Feature: Four-pole design with 100% protected neutral pole; Business Impact: Improves safety and neutral integrity across multi-pole loads, enhancing reliability in critical systems; Application: Panel boards where neutral protection is essential for control circuits and sensors. Feature: 125 A, 600 Vac rating with high interrupt capability (200 kAIC at 240 Vac / 200 kAIC at 480 Vac / 50 kAIC at 600 Vac); Business Impact: Supports high fault currents and robust short-circuit protection, minimizing damage and downtime; Application: Main feeders in manufacturing lines and heavy machinery feeds. Feature: JG frame Series G complete breaker with line/load terminals and metric mounting hardware; Business Impact: Streamlines installation and wiring, reducing commissioning time and field errors; Application: Retrofit and new-panel builds in industrial facilities. Feature: Certifications (UL Listed, CSA Certified, IEC Rated, CE Marked) and warranty coverage; Business Impact: Ensures regulatory compliance and predictable maintenance costs, lowering risk for audits and uptime commitments; Application: Global manufacturing sites and multi-region deployments.
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FAQs
The JGX9125AAG uses metric mounting hardware and features line and load terminals, designed for seamless integration into standard control panels and distribution enclosures. The four-pole design simplifies wiring for multi-load applications, while the metric mounting ensures compatibility with European and other metric-based panel systems.
Key specifications include a 125 A amperage rating, 600 Vac voltage rating, 50/60 Hz operation, and an adjustable thermal-magnetic trip. It provides high fault current protection with interrupt ratings of 200 kAIC at 240 Vac and 480 Vac, and 50 kAIC at 600 Vac, supporting reliable short-circuit handling.
Ideal for industrial power distribution and machine control panels in manufacturing, process plants, and automated facilities. The four-pole design with a protected neutral pole makes it suitable for panels requiring coordinated protection and neutral integrity, while the 125 A rating fits mid-range distribution feeds.
This MCCB is UL Listed, CSA Certified, IEC Rated, and CE Marked, ensuring safety performance across North America and international markets. These certifications support regulatory compliance, simplify audits, and facilitate global procurement for multi-region projects.
The device ships with a one-year warranty under Eaton’s policy, and its modular JG frame design simplifies replacement and servicing. The compact 8 lb weight and robust interrupt ratings contribute to lower maintenance costs and faster corrective actions, improving overall uptime and return on investment for automated systems.