Eaton JGX4250AAG Complete MCCB - UL Listed
Part Number: JGX4250AAG
Quick Summary
Eaton JGX4250AAG molded case circuit breaker is a protective device designed for control panels and industrial machines. Selecting the right MCCB can be challenging when fault currents, multi-pole configurations, and space constraints complicate panel design. It is UL Listed, CSA Certified, and CE Marked, with IEC ratings that support cross-border compliance. The Series G JG frame uses adjustable thermal and magnetic trips, enabling precise coordination and reliable protection in variable loading. Compact dimensions, metric mounting, and a four-pole arrangement deliver easier installation, lower wiring error rates, and improved uptime for machines and processes.
Product Information
Extended Description
JGX4250AAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, adj. thermal, adj. magnetic trip, Four-pole, 250A, 600 Vac, 200 kAIC at 240 Vac, 200 kAIC at 480 Vac, 50 kAIC at 600 Vac, Line/load, Metric, 50/60 Hz, 0% protected neutral pole
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGX4250AAG
UPC
786685127583
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
IEC Rated CSA Certified UL Listed
Type
Complete breaker
Amperage Rating
250 A
Voltage rating
600 Vac
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Protection
0% protected neutral pole
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50 to 60 Hz
Mounting hardware
Metric
Interrupt rating
50 kAIC at 600 Vac 200 kAIC at 480 Vac 200 kAIC at 240 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
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: Four-pole 250 A 600 Vac rating enables high fault current handling, improving downstream protection and reducing potential equipment damage. Business Impact: Enhanced system reliability and safer start-up sequences, leading to lower downtime in critical lines. Application: Main feeders in 3-phase power networks where space is at a premium. Feature: Adjustable thermal and magnetic trip provides tailored protection curves, increasing selectivity and reducing nuisance trips. Business Impact: Fewer unplanned shutdowns and longer motor life, improving production throughput. Application: General machinery and process lines with variable load. Feature: Line and load terminals with metric mounting enable straightforward integration into global panels. Business Impact: Faster installation, fewer wiring errors, and reduced commissioning time. Application: Panel assemblies in factories with standardized metric hardware. Feature: Series G JG frame and complete breaker design offer compact packaging with robust isolation. Business Impact: Simplified replacement, easier spare parts management, and consistent performance across environments. Application: Industrial control panels requiring reliable, space-efficient MCCB protection. Feature: High interrupt ratings—50 kAIC at 600 Vac and 200 kAIC at 480/240 Vac—support demanding fault currents. Business Impact: Enhanced safety margins, lower risk of busbar damage, and reduced maintenance cost. Application: Heavy-duty distribution and critical process lines. Feature: Certifications and warranty provide regulatory confidence and vendor support. Business Impact: Reduced risk in compliance audits and faster procurement cycles. Application: Global deployments needing CE, UL, and CSA assurances.
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FAQs
Install the JGX4250AAG using metric mounting hardware in a compatible panel enclosure. Connect the line and load terminals per the electrical diagram, torqueing to the manufacturer’s specifications. Set the adjustable thermal and magnetic trip to match the protected circuit’s current and fault characteristics, and ensure proper clearance for heat dissipation and accessibility for testing. Refer to the NG/ND-Frame MCCB datasheet for recommended torque values and wiring rules.
The device is a 250 A, 600 Vac complete breaker with four poles. It features adjustable thermal and magnetic trip, Series G frame (JG), line/load terminals, and a 50 kAIC interrupt rating at 600 Vac with 200 kAIC at 480/240 Vac. It operates at 50 to 60 Hz and uses metric mounting hardware for panel integration.
Yes. With four-pole construction, adjustable thermal and magnetic trips, and high interrupt ratings, it is well-suited for 3-phase motor feeders and process lines. For motor protection, ensure coordination with upstream protective devices and verify that the trip settings provide adequate overload and short-circuit protection without unnecessary nuisance trips.
This MCCB is UL Listed, CSA Certified, and CE Marked, with IEC ratings supporting international installations. It also carries Eaton’s warranty policy, offering coverage for the lesser of one year from installation or eighteen months from shipment, whichever comes first.
The JGX4250AAG offers low maintenance with a durable, field-replaceable design. Its reliable protection reduces downtime and equipment damage, contributing to a favorable total cost of ownership. The warranty and a broad certification set support ongoing regulatory compliance and procurement efficiency in global facilities.