Eaton JGSDC3070FAG PVGuard Solar MCCB - 85 kAIC @240V
Part Number: JGSDC3070FAG
Quick Summary
The Eaton PVGuard JGSDC3070FAG is a complete molded case circuit breaker designed for PV systems, delivering reliable DC/AC protection in a compact form. This helps engineers protect solar arrays and inverters without compromising enclosure space or electrical clarity. A common challenge in solar installations is achieving fast, selective tripping while maintaining safety under varying fault currents; the JGSDC3070FAG is built to address that need. UL 489-listed components and 50/60 Hz compatibility provide solid regulatory confidence, while the full JG frame design supports straightforward panel integration. For procurement teams, the 70A rating, line/load terminals, and 3-pole configuration streamline specification alignment with project standards and reduce installation time.
Product Information
Extended Description
JGSDC3070FAG Eaton: Eaton Series G DC/PvGard complete molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Three-pole, 70A, 600 Vac, 250 Vdc, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, Line and load, 50/60 Hz
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGSDC3070FAG
UPC
786685494388
Product Length/Depth
3.44 in
Product Height
7 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
70A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50/60 Hz
Interrupt rating
35 kAIC at 480 Vac 18 kAIC at 600 Vac 85 kAIC at 240 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
Eaton Specification Sheet - JGSDC3070FAG
Eaton Specification Sheet - JGSDC3070FAG
Feature → Business Impact → Application: The PVGuard complete molded case breaker leverages a JG frame and three-pole construction to deliver robust protection in PV systems, reducing downtime and improving system availability across rooftop and utility-scale installations. This design translates to safer, faster maintenance cycles and easier field replacement in inverters and combiner boxes. Feature → Business Impact → Application: Fixed thermal with an adjustable magnetic trip (T185) delivers precise overcurrent protection, minimizing nuisance trips and supporting selective coordination in mixed DC/AC networks. This is crucial for protecting string inverters and DC feeders without compromising downstream equipment. Feature → Business Impact → Application: UL 489 listing confirms compliance with MCCB safety standards, simplifying code compliance reviews and procurement workflows for electrical contractors working in solar farms and building-integrated PV projects. Feature → Business Impact → Application: 600 Vac / 250 Vdc ratings and 50/60 Hz compatibility enable dual-side protection for PV systems, enabling shielded DC protection on the PV side and reliable AC protection downstream, reducing the risk of arc-flash events. Feature → Business Impact → Application: Line and load terminals with a compact footprint (3.44 in depth, 4.13 in width, 7 in height; ~6.5 lb) improve cabinet density and installation efficiency, supporting fast retrofits in existing MCCB panels and new solar electrical rooms. Feature → Business Impact → Application: 70A rating and 85 kAIC at 240 Vac (with 35 kAIC at 480 Vac and 18 kAIC at 600 Vac) provide high fault current resilience, guarding both PV arrays and utility connections against devastating faults, a critical requirement for reliable solar energy protection. Feature → Business Impact → Application: The product warranty (Eaton 25-000 policy) offers predictable support and total-cost-of-ownership advantages for engineering teams, easing long-term maintenance budgeting and service planning.
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FAQs
Yes. The JGSDC3070FAG is a three-pole JG frame molded case circuit breaker designed for PV protection, compatible with common MCCB panels and PV enclosure assemblies. Its line/load terminals simplify wiring in standard electrical enclosures, aiding faster panel assembly and consistent field retrofits in solar installations.
The unit uses a fixed thermal trip with an adjustable magnetic trip (T185) to balance overcurrent protection and coordination. It provides 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, and 18 kAIC at 600 Vac, with a 50/60 Hz frequency rating, ensuring reliable operation across common solar and utility interfaces.
Yes. Rated for 250 Vdc and 600 Vac, the JGSDC3070FAG provides DC-side protection for PV strings and AC-side protection for downstream equipment, enabling cohesive safety and simpler wiring in PV inverters and distribution panels.
The JGSDC3070FAG carries UL 489 certification, confirming compliance with MCCB safety standards. This supports code compliance reviews for solar projects and helps ensure reliability in both PV arrays and building electrical systems.
Eaton provides a 25-000 warranty policy, offering one year from installation or 18 months from shipment, whichever comes first. This supports predictable maintenance budgeting, reduces downtime risk, and ensures access to Eaton technical support and datasheets for ongoing reliability.