Eaton JGS3225FAGA1 MCCB - 225A, 600V, T185 Trip
Part Number: JGS3225FAGA1
Quick Summary
The Eaton JGS3225FAGA1 MCCB provides reliable protection for electrical distribution and motor circuits in industrial environments. This molded case breaker helps prevent nuisance trips while delivering precise protection coordination across feeders and panels. A common user challenge is balancing fast, selective trips with long-term uptime and maintenance costs. Compliances are listed as 'Contact Manufacturer' on the data source, so confirm regional certifications such as UL/CSA, CE, or IEC alignment with Eaton. By leveraging the Series G design, this three-pole unit fits standard control panels and supports rear-mounted auxiliary switching for status alarms, enabling safer, easier diagnostics and faster maintenance. Overall, it delivers dependable protection with configurable trip characteristics to optimize system reliability and lifecycle costs.
Product Information
Extended Description
JGS3225FAGA1 Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adj. magnetic trip, Three-pole, 225A, 600 Vac, 85 kAIC at 240 Vac, 40 kAIC at 415 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, 1A-1B rear w/48 in right pigtail
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGS3225FAGA1
UPC
786685888361
Product Length/Depth
9.25 in
Product Height
5 in
Product Width
5 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
Contact Manufacturer
Type
Fixed adjustable
Amperage Rating
225 A
Voltage rating
600 Vac
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Auxiliary switch
1A-1B rear with 48 in right pigtail
Terminals
Line and load
Frame
JG
Interrupt rating
85 kAIC at 240 Vac 18 kAIC at 600 Vac 35 kAIC at 480 Vac 40 kAIC at 415 Vac
Number of poles
Three-pole
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Series G MCCB quick selector
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Eaton Specification Sheet - JGS3225FAGA1
Eaton Specification Sheet - JGS3225FAGA1
Eaton Specification Sheet - JGS3225FAGA1
The 225 A amperage rating provides robust overload protection for demanding line and load profiles, reducing the risk of nuisance trips in high-current applications and improving process stability. This translates to fewer unscheduled outages and lower maintenance overhead, especially in MCC environments where motor loads and feeder conductors demand dependable protection. The 600 Vac voltage rating expands compatibility with medium- and high-voltage distribution schemes, enabling a single MCCB family to cover multiple sections of a control panel without sacrificing protection accuracy. With a fixed adjustable trip (T185) and three-pole JG frame, engineers gain precise coordination and predictable fault clearance, improving selectivity across adjacent protection devices and simplifying panel design. The auxiliary switch (1A-1B rear with 48 in right pigtail) provides remote status indication for maintenance windows and control logic, reducing diagnostic time during startups and fault analysis. The three-pole configuration and line/load terminals establish clear, safe installation paths for wiring, supporting straightforward field wiring and serviceability. The interrupt ratings—85 kAIC at 240 Vac, 40 kAIC at 415 Vac, 35 kAIC at 480 Vac, and 18 kAIC at 600 Vac—offer robust fault handling across diverse supply conditions, enabling protection of motors, drives, and lighting feeders with confidence. Integrated Series G architecture gives installers compatibility with common control panels and plug-in accessories, streamlining retrofits and future expansions. From a lifecycle perspective, the JGS3225FAGA1 helps shorten commissioning time, reduce downtime, and lower total cost of ownership through dependable performance and widely available replacement parts.
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FAQs
Ensure mounting in a compatible panel with a standard JG frame footprint and that line/load terminals are correctly aligned. Verify rear-accessory wiring for the 1A-1B auxiliary switch and route the 48-inch pigtail to the designated control circuit. Confirm panel clearance for hot-swappable installation and follow Eaton installation guidelines from the Series G documentation to maintain rating and coordination.
The device is rated for 600 Vac with an 18 kAIC interrupt capacity at 600 Vac, plus complementary ratings at other voltages (85 kAIC at 240 Vac, 40 kAIC at 415 Vac, 35 kAIC at 480 Vac). It is a three-pole unit with fixed adjustable trip (T185), designed for selective coordination and reliable fault clearance in medium-voltage control circuits.
Yes. With 225 A protection, 600 Vac capability, and a T185 trip type, this MCCB supports motor feeders and drive protection. The rear auxiliary switch aids startup sequencing and fault signaling, while the three-pole configuration suits standard motor control panels and ensures appropriate coordination with safelocking and overload protection.
The data sheet lists Compliances as 'Contact Manufacturer,' so verify region-specific certifications with Eaton. In practice, installation in many markets involves UL/CSA and IEC/CE alignment depending on the country. Always confirm the exact certifications required for your project with Eaton prior to procurement and installation.
The unit’s robust 225 A/600 Vac rating and T185 trip provide dependable protection with predictable fault clearing, reducing unplanned downtime. The rear auxiliary switch simplifies monitoring, diagnostics, and preventive maintenance, while modular Series G components and common wiring practices support faster replacements and lower lifecycle costs.