Eaton JGU4250AAG Complete Molded Case Circuit Breaker - UL Listed
Part Number: JGU4250AAG
Quick Summary
Eaton JGU4250AAG complete molded case circuit breaker protects power distribution panels in industrial environments. It delivers reliable overcurrent protection with a four-pole, 250 A rating for 600 Vac systems and supports separate line and load terminals for tidy panel wiring. Engineers commonly confront selective coordination and fault-current challenges, which this MCCB helps address with an adjustable thermal and magnetic trip. The device is IEC Rated, CSA Certified, and UL Listed, ensuring global compliance, while CE marking supports integration into European installations. By leveraging Series G family features and metric mounting, it reduces installation time and improves serviceability, delivering safer, more maintainable electrical protection for critical processes.
Product Information
Extended Description
JGU4250AAG 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, 150 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
JGU4250AAG
UPC
786685127415
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 240 Vac 150 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
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
The JGU4250AAG uses the Series G four-pole complete breaker to deliver robust protection for power distribution in demanding environments, enabling precise coordination with upstream devices. This feature translates to reduced nuisance tripping and safer, faster maintenance in control panels and motor control centers. With an adjustable thermal and magnetic trip, you can tailor the response to your system’s fault current, improving protection while minimizing unnecessary outages. The JG frame and line/load terminals simplify wiring and future redeployment during panel updates, cutting installation costs and time. Its 50/60 Hz compatibility and metric mounting hardware ensure broad industrial compatibility, enabling easier retrofits and compliant deployments across regions. The device’s high interrupt ratings—up to 200 kAIC at 240 Vac and 50 kAIC at 600 Vac—support demanding machine and process applications, delivering reliable protection with predictable TCC and selective coordination.
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FAQs
Install the JGU4250AAG using the metric mounting hardware and ensure correct orientation for line and load terminals. Mount the four-pole breaker in the panel rail, tighten terminal screws to manufacturer torque, and connect the feed and load conductors to the line and load terminals. Verify proper seating, verify insulation, and perform a functional test with the adjustable thermal/magnetic trip set to the system fault level.
Key ratings include a 250 A amperage rating, 600 Vac maximum voltage, four-pole configuration, and 50/60 Hz frequency. Interrupt ratings are 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 50 kAIC at 600 Vac, making it suitable for high fault-current applications and diverse industrial environments. The trip mechanism is adjustable for thermal and magnetic protection.
Yes. The JGU4250AAG is designed for motor control centers and distribution panels, offering Series G protection with a four-pole configuration and line/load terminals for straightforward wiring. Its adjustable trip and high interrupt ratings support reliable motor protection, selective coordination, and safe startup/shutdown sequences in demanding industrial processes.
The breaker is IEC Rated, CSA Certified, and UL Listed, with CE Marking. These certifications ensure global compatibility, regulatory compliance, and safety assurance across jurisdictions. This is critical for projects with international suppliers or installations in North America and Europe, supporting standardization, warranty validity, and easier procurement.
Maintenance benefits include long-term reliability from proven Series G protection and straightforward field service due to standard metric mounting and modular accessories. The adjustable trip reduces downtime by preventing unnecessary outages, improving uptime for critical processes. The one-year Eaton warranty complements service support, contributing to lower total cost of ownership over the device’s lifecycle.