Eaton JGSDC3175FAM Molded Case Breaker - UL 489
Part Number: JGSDC3175FAM
Quick Summary
Eaton JGSDC3175FAM molded case breaker provides reliable overcurrent protection for PV and commercial electrical systems. Engineers often struggle to balance speed of deployment with safe, code-compliant protection in compact, panel-dense installations. UL 489-listed protection underpins reliability, while PVGuard compatibility supports solar applications; this model also offers fixed terminals for quick wiring. With three poles and a 175 A rating, it accommodates demand spikes in mixed AC and DC circuits up to 600 Vac and 250 Vdc. This combination translates to faster installation, reduced hardware inventory, and predictable lifecycle costs for solar and industrial facilities. In practice, installers value the durable construction and fixed terminals, minimizing service interruptions. The product is backed by Eaton's warranty policy and comprehensive datasheets to support procurement and commissioning teams.
Product Information
Extended Description
JGSDC3175FAM Eaton: Eaton Series G JG-frame molded case circuit breaker, 175A, Three-pole, With terminals, Fixed thermal, adjustable magnetic, Cu wire
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGSDC3175FAM
UPC
786689060435
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
175 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Class
Vdc
Number of poles
Three-pole
PVGard solar circuit breakers product aid
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Value of Circuit Breakers for PV Systems and Eaton PVGard Solar Circuit Breakers
Eaton Specification Sheet - JGSDC3175FAM
Eaton Specification Sheet - JGSDC3175FAM
The JGSDC3175FAM is a 175 A three-pole molded case circuit breaker built on Eaton's JG frame with fixed thermal and adjustable magnetic trip. With copper wire terminations and included terminals, it delivers reliable overcurrent protection for PV systems and industrial panels, reducing installation time and wiring errors. Feature: 600 Vac / 250 Vdc ratings enable safe cross-branch protection for mixed AC and DC circuits common in solar inverters and control cabinets. Business Impact: This compatibility simplifies code compliance and design verification for engineers, leading to quicker project sign-off and fewer field modifications. Application: Ideal for PVGuard solar circuit protections and panelboard installations in industrial facilities where space is at a premium. Feature: UL 489 certification ensures safety compliance while PVGuard compatibility extends protection for PV arrays; fixed terminals streamline wiring and durability. Business Impact: Improves procurement confidence and reduces commissioning risk. Application: Solar feeders and control panels in utility-adjacent facilities. Feature: Compact footprint—3.57 in depth, 4.13 in height and width, 6.5 lb weight—facilitates tight enclosures and reduces drawer space in control rooms. Business Impact: Allows higher packing density in electrical rooms, lowering installation costs and enabling scalable layouts. Application: Enclosed switchgear, industrial control cabinets, and solar inverter rooms. Feature: One-year warranty or eighteen months from shipment under Eaton policy; documented datasheets support lifecycle planning and maintenance budgeting. Business Impact: Lowers total cost of ownership with predictable replacement cycles. Application: OEM assemblies and facilities relying on standardized Eaton MCCBs.
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FAQs
The JGSDC3175FAM uses fixed copper terminals and a three-pole design, enabling straightforward wiring in PVGuard-ready enclosures. It is UL 489 listed and supports 600 Vac / 250 Vdc, making it suitable for mixed AC and DC solar circuits. Use the included terminals for secure connections and verify panel cutouts match the 4.13 in width/height footprint to ensure proper fit.
The 175 A amperage and 600 Vac rating provide robust short-circuit and overload protection for PV inverters and industrial feeders. This enables selective coordination in larger panels, reduces nuisance tripping, and supports safe de-energization of circuits during faults. Ensure the surrounding components (bus, conductors, and feeders) are sized for these ratings to maximize protection.
Yes. With a 600 Vac and 250 Vdc rating, the JGSDC3175FAM is designed for mixed-voltage environments typical of solar PV systems and adjacent control panels. It supports protective coordination across AC distribution and DC feeder segments, helping to simplify design validation and code compliance during deployment.
The unit is UL 489 certified, which validates compliance with recognized safety standards for molded case circuit breakers. This certification aids procurement, ensures regulatory alignment for panel assemblies, and supports safe integration into both solar and industrial electrical systems.
Eaton’s warranty policy offers one year from installation or eighteen months from shipment, whichever occurs first. This warranty reduces lifecycle risk and helps budgeting for maintenance, enabling more predictable ROI for solar projects and panel installations.