Eaton JGSDC3225FAG Molded Case Circuit Breaker - UL 489

Part Number: JGSDC3225FAG
Manufacturer
Eaton
Part number
JGSDC3225FAG

Quick Summary

The Eaton JGSDC3225FAG molded case circuit breaker protects solar PV circuits in industrial enclosures, delivering dependable overcurrent protection. Facility teams often struggle with reliable protection in crowded arrays, long conductor runs, and fluctuating DC conditions. UL 489 certification confirms compatibility with standard electrical codes, while PVGuard integration supports reliable protection for solar applications. The device offers a fixed thermal element and adjustable magnetic trip (T185), enabling precise coordination with upstream devices in three-pole configurations. Metric mounting hardware and line/load terminals simplify installation in compact industrial panels, reducing commissioning time and enabling scalable PV protection. With a compact 3.57 in depth and 6.5 lb weight, it fits standard MCCB footprints while maintaining robust thermal performance.

Product Information

Extended Description

JGSDC3225FAG Eaton: Series G JG-frame molded case circuit breaker, 225A, Three-pole, With terminals, Fixed thermal, adjustable magnetic, Cu wire
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGSDC3225FAG
UPC
786685494296
Product Length/Depth
3.57 in
Product Height
4.13 in
Product Width
4.13 in
Product Weight
6.5 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.
Certifications
UL 489
Amperage Rating
225 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
JG
Class
Vdc
Mounting hardware
Metric
Number of poles
Three-pole
Feature: 225 A three-pole JG frame molded case breaker provides robust overcurrent protection for solar PV circuits. Business Impact: Reduces nuisance trips and protects critical PV equipment, improving solar plant uptime and lowering maintenance costs. Application: Suitable for PV strings, service entrances, and panel boards in commercial and industrial facilities. Feature: Adjustable magnetic trip combined with fixed thermal element enables coordinated protection with upstream devices. Business Impact: Improves selectivity, minimizes downstream damage, and supports safe startup of PV systems. Application: Ideal for arrays with mixed protection schemes and tight fault-current budgets. Feature: UL 489 certified design ensures compliance with recognized electrical safety standards. Business Impact: Eases code compliance and simplifies procurement for regulated projects, reducing risk during inspections. Application: Widely used in MCCBs serving solar protection panels. Feature: PVGuard/Solar lineage with line and load terminals and metric mounting hardware. Business Impact: Simplifies installation, accelerates wiring, and supports reliable fastening in dense enclosures. Application: Perfect for new builds or retrofits in compact solar installations. Feature: Compact footprint and weight—3.57 in depth, 4.13 in height/width, 6.5 lb. Business Impact: Saves space in crowded switchgear and reduces enclosure costs, while maintaining performance. Application: Fits standard MCCB spaces in industrial PV protection panels. Feature: 225 A rating with 600 Vac / 250 Vdc capability and T185 trip type ensures suitability for mixed AC/DC PV environments. Business Impact: Delivers versatile, dependable protection across panel boards and DC microgrids, supporting safe energy management. Application: Appropriate for commercial rooftop arrays and utility-scale PV equipment in constrained layouts.

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FAQs

To install the JGSDC3225FAG, mount the unit using the metric mounting hardware in a compatible enclosure, connect line and load conductors to the appropriate terminals, and ensure the device is seated securely. Verify the panel layout supports a three-pole configuration and that the bus connections are clean and tight. Follow the UL 489 installation guidelines and Eaton documentation for torque specifications and wiring practices to minimize contact resistance and heat buildup.
The JGSDC3225FAG is rated for 225 A with a voltage rating of 600 Vac and 250 Vdc. It features a fixed thermal element and an adjustable magnetic trip (T185) to allow selective coordination with upstream protection. The three-pole design supports line and load connections, and the unit uses the JG frame for a complete breaker assembly suitable for industrial MCCB installations.
Yes. This model is specifically positioned as a PV Guard / Solar complete molded case circuit breaker. It aligns with PVGuard configurations and is intended for solar protection in commercial and industrial PV installations, offering compatible mounting, line/load terminations, and a design that supports PV system safety and reliability.
The JGSDC3225FAG carries UL 489 certification, establishing compliance with standard safety and performance requirements for molded case circuit breakers. This helps ensure regulatory conformity, easier inspections, and confidence in protection during solar installation commissioning.
Using the JGSDC3225FAG can reduce maintenance costs through improved protection reliability and fewer unexpected trips in PV systems. The unit’s durable metal frame, robust trip coordination (T185), and UL 489 certification minimize downtime and support longer intervals between service checks, contributing to lower lifecycle operating costs and higher system availability.