Eaton JGU3100FAG Molded Case Circuit Breaker - UL Listed
Part Number: JGU3100FAG
Quick Summary
JGU3100FAG molded case circuit breaker protects industrial power systems from overcurrent events in motor control and distribution panels. Engineers often struggle with nuisance trips and poor coordination when panels house mixed loads and varying demand. UL Listed, CSA Certified and IEC Rated devices, with CE Marked compliance, provide validated safety and regulatory alignment across global sites. This Eaton Series G MCCB, designed for the JG frame, delivers dependable protection while enabling streamlined maintenance and faster onboarding of new equipment. For reliability, it integrates with standard Series G components and supports scalable protection strategies in modern automation architectures.
Product Information
Extended Description
JGU3100FAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Three-pole, 100A, 600 Vac, 250 Vdc, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 50 kAIC at 600 Vac, Line and load, 50/60 Hz
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGU3100FAG
UPC
786685126579
Product Length/Depth
3.44 in
Product Height
7 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 IEC Rated UL Listed
Type
Complete breaker
Amperage Rating
100 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50/60 Hz
Interrupt rating
200 kAIC at 240 Vac 150 kAIC at 480 Vac 50 kAIC at 600 Vac
Number of poles
Three-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 - JGU3100FAG
Eaton Specification Sheet - JGU3100FAG
Eaton Specification Sheet - JGU3100FAG
Feature → Business Impact → Application: The JGU3100FAG is a complete Series G molded case circuit breaker that uses a JG frame with line and load terminals, delivering a compact footprint and simplified wiring for panel builders. This translates to reduced panel depth requirements and faster installation in control panels and power distribution boards, especially in space-constrained sites. Application: main distribution panels and machine control centers seeking efficient space utilization. Feature → Business Impact → Application: 100 A amperage rating with a 600 Vac / 250 Vdc voltage rating and a fixed thermal, adjustable magnetic trip (T185) enables precise protection for motors and drives, reducing nuisance trips and preserving line integrity. Application: motor feeders and automation racks where selective coordination is critical. Feature → Business Impact → Application: Interrupt ratings of 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 50 kAIC at 600 Vac provide robust fault-current withstand and improved system reliability in high-energy environments. Application: large machine lines and panel boards in heavy industry. Feature → Business Impact → Application: Certifications UL Listed, CSA Certified, IEC Rated with CE Marked compliance simplify procurement for global projects, easing cross-border installation and reducing risk. Application: multinational plants and systems integrators requiring compliant MCCBs. Feature → Business Impact → Application: 3-pole design with line and load terminals supports straightforward replacement and seamless retrofits in existing JG frame installations, reducing downtime during upgrades or maintenance. Application: retrofit projects and new builds in automation and process control. Feature → Business Impact → Application: Eaton warranty and support ecosystem (one year from installation or 18 months from shipment) provides predictable coverage and facilitates maintenance planning. Application: service contracts and preventive maintenance programs in manufacturing facilities.
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FAQs
The JGU3100FAG is a three-pole complete molded case circuit breaker designed for the Eaton Series G with a JG frame. It uses line and load terminals for straightforward wiring in standard MCCB panels. For installation, ensure correct alignment with the panel bus and secure mounting within the designated enclosure slots; verify termination torque per your panel vendor’s guidelines and retain compliance with CE and UL requirements.
This breaker is rated for 100 A with a voltage rating of 600 Vac and 250 Vdc. It employs a fixed thermal, adjustable magnetic trip unit (T185) and is a three-pole device. Interrupt ratings are 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 50 kAIC at 600 Vac, supporting safe fault interruption across typical industrial power systems.
Ideal for main distribution panels, machine control centers, and automation panel boards where reliable overcurrent protection and coordination are essential. The 3-pole JG frame and Series G design support compact integration in control architectures, while the 50/60 Hz operation aligns with standard industrial power networks.
The JGU3100FAG carries UL Listed, CSA Certified, and IEC Rated certifications, along with CE Marked compliance. This combination ensures regulatory acceptance in North America, Europe, and many international markets, reducing procurement risk and streamlining cross-border installations.
With a defined warranty window (one year from installation or 18 months from shipment) and robust fault current ratings, the JGU3100FAG supports predictable maintenance planning and reduced downtime. Its compatibility with Series G components simplifies spares strategy and retrofits, delivering favorable total cost of ownership in ongoing panel upgrades.