Eaton JGEDC3175FAW Solar MCCB - UL 489 Certified
Part Number: JGEDC3175FAW
Quick Summary
Eaton PV Guard JGEDC3175FAW is a solar-ready molded case circuit breaker designed for PV protection and commercial solar installations. End-user pain points like tight spaces, complex wiring, and panel compatibility are common in solar projects, and this MCCB addresses them with a compact three-pole design and straightforward protection features. UL 489 certification anchors safety and compliance, while PVGard compatibility confirms suitability for solar systems. With a 175 A rating, 600 VAC/250 VDC capability, and a fixed thermal with adjustable magnetic trip, the device delivers reliable protection without sacrificing ease of procurement or serviceability. This supports faster time-to-value for developers and operators, reducing downtime and improving uptime metrics across solar assets.
Product Information
Extended Description
JGEDC3175FAW Eaton: Series G JG-frame molded case circuit breaker, 175A, Three-pole, Without terminals, Fixed thermal, adjustable magnetic, Cu wire, Without collars, JGED type
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGEDC3175FAW
UPC
786685494166
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
Interrupt rating
35 kAIC at 600 Vac
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
The 175 A continuous current rating provides precise load protection, enabling better protection coordination in three-phase PV arrays and minimizing nuisance tripping in balanced systems, which translates to fewer unscheduled outages. The 600 VAC/250 VDC voltage ratings expand applicability across string inverters and energy storage interfaces, improving compatibility with common solar configurations. The T185 trip type, combined with a fixed thermal and adjustable magnetic trip, delivers predictable performance and scalable protection for evolving PV plant layouts, reducing design risk and enabling easier industry-standard compliance. With a three-pole JG frame and a complete breaker construction, installation in integrated electrical rooms is straightforward, while the UL 489 listing and PVGard lineage enhance reliability and supplier confidence. 35 kAIC interrupt rating at 600 VAC ensures robust fault clearance, supporting higher fault tolerance in utility-scale installations. Terminals are not included, which can streamline panel integration when compatible lugs or field wiring options are used. This product’s compact footprint and absence of collars minimize mounting footprint and simplify retrofits in constrained enclosures, helping installers save time and labor costs. In practice, engineers gain improved protection coordination, faster commissioning, and reduced maintenance intervals when deploying this MCCB in solar protection schemes.
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FAQs
This breaker is a three-pole unit designed to be used where space is limited and standard bus or panel configurations require a compact JG frame. It ships without terminals, so you’ll plan for compatible lugs or field wiring. Ensure your enclosure supports 3-pole protection and that your conductors are sized for 175 A at up to 600 VAC.
Key specs include 175 A continuous current rating, 600 Vac and 250 Vdc maximum voltages, three-pole configuration, a T185 trip curve with fixed thermal and adjustable magnetic trip, and a 35 kAIC interrupt rating at 600 Vac. It is a UL 489 listed device for molded case protection in PV and general electrical protection roles.
Yes. The JGEDC3175FAW is designed as a complete three-pole JG frame breaker suitable for three-phase PV protection schemes. It aligns with PVGard Solar circuit protection concepts and supports rapid fault interruption in string, combiner boxes, and inverter protection panels operating up to 600 Vac, simplifying coordination with other protective devices.
This MCCB carries UL 489 certification, indicating conformity with recognized safety standards for molded-case protective devices. In solar installations, UL 489 ensures safe interruption and compatibility with industry protection schemes. The PVGard designation further signals suitability for photovoltaic applications and electrical protection coordination within Eaton's PV protection ecosystem.
Using a high-current, high-interrupt-capacity MCCB like JGEDC3175FAW reduces field failures by improving fault clearance and system resilience. Fixed thermal with adjustable magnetic trip simplifies coordination, while a compact, terminalless design lowers installation time and labor costs. Coupled with a one-year warranty, this translates to predictable lifecycle costs and improved uptime.