Eaton JGHDC3070FAG PV Guard Solar MCCB - UL 489
Part Number: JGHDC3070FAG
Quick Summary
Eaton JGHDC3070FAG PV Guard Solar MCCB provides reliable DC/PV protection for solar arrays and inverters. Engineers often struggle with nuisance trips and slow startups during PV integration. UL 489 certification underpins safety and reliability in protective switchgear for energy systems. The unit combines a fixed thermal, adjustable magnetic trip on a Series G JG frame with line-and-load terminals, delivering precise coordination for solar protection and easy field installation. This translates to shorter commissioning times, lower downtime, and better return on investment for renewable projects. For integrators and OEMs, PVGard compatibility supports standardized installations and maintenance across multiple sites, while the 70A rating and dual voltage capabilities streamline interface with diverse PV inverters and combiner panels.
Product Information
Extended Description
JGHDC3070FAG 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, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 25 kAIC at 600 Vac, Line and load, 50/60 Hz
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGHDC3070FAG
UPC
786685494562
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
65 kAIC at 480 Vac 100 kAIC at 240 Vac 25 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
Feature: Three-pole complete JG frame design with Line and Load terminals to simplify panel integration → Business Impact: Reduces wiring complexity and installation time, lowers panel footprint, and improves reliability in crowded electrical rooms. Application: New builds and retrofits in solar arrays and utility interfaces. Long-tail keywords: three-pole MCCB, panel installation, DC protection. Feature: Fixed thermal, adjustable magnetic trip (Trip Type T185) → Business Impact: Precise fault detection and selective tripping improves uptime and reduces collateral damage during faults. Application: Inverter protection and string protection in PV systems. Feature: 70A rating with 600 Vac / 250 Vdc capability → Business Impact: Supports both AC grid connection and DC PV circuits, enabling a single device to protect mixed-voltage interfaces. Application: Grid-tied PV inverters, DC distribution feeders. Feature: High interrupt ratings (100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 25 kAIC at 600 Vac) → Business Impact: Withstands high fault currents, enhances system safety and reduces secondary equipment stress. Application: Large solar installations with utility interconnects. Feature: UL 489 certification → Business Impact: Ensures regulatory compliance and code conformity for field-installed MCCBs. Application: Panel assemblies, UL-listed enclosures, and safety audits. Feature: Series G, Frame JG, and 50/60 Hz operation → Business Impact: Proven compatibility with standard electrical gear and utility-grade power systems. Application: Commercial and industrial PV projects and OEM assemblies. Feature: Compact dimensions (3.44 in x 7 in x 4.13 in) and 6.5 lb weight → Business Impact: Easy mounting in tight spaces and simplified shipping/logistics. Application: Retrofit in existing MCCB spaces and OEM rack configurations. Feature: Warranty and service policy (1 year standard) → Business Impact: Clear risk mitigation and predictable maintenance planning. Application: Post-installation support and long-term cost control.
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FAQs
The JGHDC3070FAG is designed for Series G JG frame MCCB installations with line and load terminals, three-pole configuration, and a compact 3.44 in depth. It fits standard MCCB spaces and aligns with common enclosure depths, making retrofits straightforward. Ensure panel bus ratings meet 600 Vac and 250 Vdc capability and verify torque specs on Terminals for secure connections.
Key specs include a 70A amperage rating, 600 Vac / 250 Vdc voltage ratings, three-pole configuration, Frame JG, and Trip Type T185. The device supports 50/60 Hz operation and provides interrupt ratings of 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 25 kAIC at 600 Vac, enabling robust protection for PV systems.
Yes. The PVGuard brand and DC/AC protection profile are specifically designed for solar PV systems. Its 70A rating, 600 Vac / 250 Vdc capability, and UL 489 certification make it appropriate for protecting PV arrays, inverters, and grid interfaces while helping maintain uptime and safety in both new builds and retrofit projects.
The JGHDC3070FAG carries UL 489 certification, indicating compliance with recognized safety standards for molded case circuit breakers. This enhances regulatory acceptance, simplifies panel approvals, and supports code compliance during inspections. Always verify local and project-specific standards, including any CE or regional requirements applicable to your installation.
The MCCB offers predictable maintenance with a one-year warranty and Eaton’s service policy, reducing unexpected capital expenditure. Benefits include fewer nuisance trips, faster fault isolation, and easier field replacement, contributing to lower downtime costs and improved system reliability over the PV system’s lifecycle.