Eaton JGSDC3175FAW Molded Case Circuit Breaker - UL 489
Part Number: JGSDC3175FAW
Quick Summary
The Eaton JGSDC3175FAW molded case circuit breaker protects PV power circuits in solar installations. In projects where uptime and safety are critical, selecting robust protection prevents costly outages and equipment damage. Certifications include UL 489, aligning with global electrical protection standards and supporting PVGuard solar environments. The unit delivers 175 A, three poles, and a 600 Vac / 250 Vdc rating with fixed thermal and adjustable magnetic trip for reliable coordination. Its compact footprint and Cu wire compatibility simplify panel integration, reduce installation time, and improve serviceability. This makes it a practical choice for industrial solar, data centers, and utility applications seeking dependable DC/AC protection.
Product Information
Extended Description
JGSDC3175FAW Eaton: Series G JG-frame molded case circuit breaker, 175A, Three-pole, Without terminals, Fixed thermal, adjustable magnetic, Cu wire
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGSDC3175FAW
UPC
786685494340
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
Terminals
Without terminals
Frame
JG
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
PVGard solar circuit breakers technical data sheet
PVGard solar circuit breakers technical data sheet
Feature: 175 A rating with three poles and a 600 Vac / 250 Vdc capability → Business Impact: Enables reliable cross-application protection across AC and DC PV circuits, reducing nuisance trips and downtime during peak demand. Application: Suitable for solar inverters and main power distribution in industrial facilities. Feature: Fixed thermal, adjustable magnetic trip → Business Impact: Offers precise coordination for fault conditions, improving safety margins and minimizing cascading trips in complex panel boards. Application: Critical in mixed-load environments such as manufacturing floors and data centers with variable loads. Feature: Without terminals, Cu wire construction → Business Impact: Simplifies field wiring and enables clean, low-resistance terminations with available lugs, cutting installation time and error rates. Application: Panel retrofit projects and new builds where space is constrained and wiring efficiency matters. Feature: Complete JG frame design (three-pole, 175 A) → Business Impact: Ensures compatibility with Eaton PVGuard assemblies and standard MCCB enclosures, reducing part count and accelerating commissioning. Application: Solar plant control rooms and equipment rooms requiring modular protection. Feature: 1-year warranty (or 18 months from shipment) → Business Impact: Minimizes total cost of ownership by providing defined support timelines and post-installation assurance. Application: Procurement planning for utilities and OEM integrators. Feature: UL 489 certification → Business Impact: Confirms compliance with recognized safety and performance standards, aiding regulatory approvals and customer trust. Application: Global applications requiring proven safety credentials in control panels and PV systems.
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FAQs
JGSDC3175FAW is supplied without terminals. You must select compatible field terminals or lugs and use Cu wire for connections. It is a three-pole unit sized for standard JG frame panels, enabling straightforward wiring within Eaton-compatible enclosures and PVGuard configurations.
The T185 trip type combines a fixed thermal element with an adjustable magnetic trip, delivering precise overcurrent protection. This balance reduces nuisance trips during startup surges and provides reliable coordination for varying load conditions common in solar inverters and industrial power panels.
Yes. Designed for PVGuard solar environments, JGSDC3175FAW supports 600 Vac / 250 Vdc and 175 A in a three-pole configuration. Its DC/AC capability and UL 489 listing make it suitable for solar arrays, service panels, and other utility-facing installations that require robust protection and panel-level integration.
The JGSDC3175FAW carries UL 489 certification, ensuring compliance with established safety and performance requirements for molded case circuit breakers. This supports regulatory approvals, safe integration in control panels, and alignment with PVGuard solar protection strategies.
The breaker is covered by Eaton’s warranty policy, offering one year from installation or eighteen months from shipment, whichever occurs first. This reduces maintenance risk and helps protect project ROI by providing a defined post-installation support window for field service or replacement needs.