Eaton JGS3100FAG Molded Case Circuit Breaker - UL Listed
Part Number: JGS3100FAG
Quick Summary
The Eaton JGS3100FAG Molded Case Circuit Breaker provides reliable overcurrent protection for industrial control panels and power distribution systems. This three-pole device helps prevent unplanned downtime by delivering fast, predictable trip performance even under heavy loads. For engineers and procurement teams, the combination of a fixed thermal with an adjustable magnetic trip, a 100 A rating, and a 600 Vac/250 Vdc voltage envelope means you can standardize protection across critical feeders while meeting stringent safety requirements. With CE marking, IEC rated, and CSA certified reliability, it supports global compliance. The unit integrates smoothly into Series G installations, offering compatibility with line-load terminations and modular accessories to streamline panel assembly and maintenance.
Product Information
Extended Description
JGS3100FAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Three-pole, 100 A, 600 Vac, 250 Vdc, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, Line and load, 50/60 Hz
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGS3100FAG
UPC
782113963310
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
IEC Rated CSA Certified 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
18 kAIC at 600 Vac 35 kAIC at 480 Vac 85 kAIC at 240 Vac
Number of poles
Three-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
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: JG frame complete breaker enabling compact, service-friendly protection. Business Impact: Reduces panel height, simplifies wiring, and speeds installation while maintaining consistent protection. Application: Ideal for 3-phase feeders in control panels and motor control centers. Feature: Fixed thermal trip with adjustable magnetic trip (T185). Business Impact: Improves selectivity and reduces nuisance trips, delivering predictable performance during faults. Application: Critical for equipment that requires coordinated protection across upstream devices. Feature: 100 A amperage rating with 600 Vac and 250 Vdc voltage ratings. Business Impact: Supports standardization across multiple feeder circuits, lowering spare parts and training costs. Application: Panelboards, MCCs, and branch circuit protection in industrial facilities. Feature: High interrupt ratings—18 kAIC at 600 Vac, 35 kAIC at 480 Vac, 85 kAIC at 240 Vac. Business Impact: Maximizes fault clearance capability, enhancing safety margins for heavy loads. Application: Data centers, manufacturing lines, and automation panels requiring robust short-circuit protection. Feature: Series G with line and load terminals and JG frame compatibility. Business Impact: Streamlines installation and maintenance, enabling faster upgrades and easier accessory integration. Application: Control panels and distribution blocks in process industries. Feature: Compliance certifications including IEC rated, CSA certified, UL listed, and CE marked. Business Impact: Facilitates global procurement and regulatory compliance, reducing certification delays. Application: International projects and multi-site deployments with unified MCCB protection.
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FAQs
The JGS3100FAG uses the JG frame and is a complete three-pole breaker designed for Series G installations with line and load terminals. It supports standard Series G accessories and straightforward installation in control panels and MCCs, enabling consistent protection across feeder circuits while minimizing wiring complexity.
Key specs include a 100 A amperage rating, voltage ratings of 600 Vac and 250 Vdc, a T185 trip class, and interrupt ratings of 18 kAIC at 600 Vac, 35 kAIC at 480 Vac, and 85 kAIC at 240 Vac. These figures support reliable short-circuit protection and precise coordination in 3-phase systems.
Yes. With its three-pole design, Series G compatibility, and robust interrupt ratings, the JGS3100FAG is well-suited for motor control centers and distribution panels where reliable overload and short-circuit protection is essential for continuous operation and uptime.
The breaker is UL Listed, IEC Rated, and CSA Certified, with CE marking. These certifications support global procurement, regulatory compliance, and reduced qualification time for international projects.
Eaton offers a warranty policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This supports maintenance planning and total cost of ownership when replacing or stocking MCCBs.