Eaton JGS9125AAG Complete MCCB - 125 A, 600 Vac UL Listed
Part Number: JGS9125AAG
Quick Summary
The Eaton JGS9125AAG Complete MCCB protects industrial circuits with reliable overcurrent protection for control panels and motor circuits. Engineers often wrestle with nuisance trips and insufficient selective coordination in compact enclosures, which can cause unplanned downtime and costly outages. This device carries UL Listed, CE Marked, and CSA Certified approvals, with IEC ratings ensuring global applicability for multinational facilities. Its adjustable thermal and magnetic trip, four-pole construction, and Series G design simplify installation, setup, and maintenance in demanding environments. The product features metric mounting and a 100% protected neutral pole, supporting safer, easier wiring. In practice, these attributes translate to reduced maintenance costs, improved reliability, and faster project ROI for panel builders and machine integrators.
Product Information
Extended Description
JGS9125AAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, adj. thermal, adj. magnetic trip, Four-pole, 125A, 600 Vac, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 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
JGS9125AAG
UPC
782114889220
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 IEC Rated 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
Protection
100% protected neutral pole
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50/60 Hz
Mounting hardware
Metric
Interrupt rating
18 kAIC at 600 Vac 85 kAIC at 240 Vac 35 kAIC at 480 Vac
Number of poles
Four-pole
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
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
Eaton Specification Sheet - JGS9125AAG
Eaton Specification Sheet - JGS9125AAG
Eaton Specification Sheet - JGS9125AAG
Feature: 125 A amperage rating and 600 Vac voltage rating enable direct protection for mid-size power circuits; Business impact: reduces external fusing requirements and simplifies sizing; Application: motor control centers and industrial panels using 4-pole protection. Feature: Adjustable thermal and magnetic trip delivers selective coordination and nuisance-tripping mitigation; Business impact: improves reliability and protects equipment without over-tripping; Application: start-up of high-inertia loads in production lines. Feature: Series G, JG frame, four-pole, line and load terminals; Business impact: streamlined installation and wiring verification; Application: control panels and machine assemblies with metric mounting hardware. Feature: 100% protected neutral pole; Business impact: safer fault detection and reduced arc flash risk; Application: multi-pole power distribution. Feature: UL Listed, CE Marked, CSA Certified; Business impact: global compliance and warranty support; Application: multinational facilities seeking standard protection across sites.
Get a Quick Quote for a Eaton JGS9125AAG
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton JGS9125AAG?
Enquire Now
FAQs
The JGS9125AAG uses line and load terminals on a JG frame with metric mounting hardware designed for easy retrofit into compatible panels. Ensure proper torque on terminals and verify 50/60 Hz operation. The four-pole design with a 100% protected neutral pole simplifies wiring and reduces rework during panel upgrades.
Interrupt ratings are 18 kAIC at 600 Vac, 85 kAIC at 240 Vac, and 35 kAIC at 480 Vac. These ratings enable accurate short-circuit current protection and selective coordination with upstream devices in medium to high fault environments.
Yes. With 125 A capacity, four-pole protection, adjustable thermal/magnetic trip, and Series G design, it provides reliable motor circuit protection, safe start-up, and clean shutdown in control panels and machine applications.
The device is UL Listed, CE Marked, and CSA Certified, with IEC ratings. These certifications support compliance across regions, simplify procurement for global facilities, and align with safety, environmental, and performance standards.
Eaton offers a one-year warranty from installation or eighteen months from shipment, whichever comes first. Access to Eaton service centers and product documentation helps with maintenance planning, spare parts availability, and ROI tracking for outages and lifecycle costs.