Eaton JGSDC3150FAG PV Guard Solar MCCB - UL 489
Part Number: JGSDC3150FAG
Quick Summary
Eaton JGSDC3150FAG PV Guard solar MCCB protects DC PV circuits in solar installations. Engineers often struggle with reliably protecting multi-pole DC networks while fitting compact, panel-ready breakers. This unit carries UL 489 certification and is designed for DC PV environments, delivering fast trip response across 600 Vac and 250 Vdc ratings. With a three-pole JG frame, line/load terminals, and metric mounting hardware, it integrates easily into existing protection schemes, reducing downtime and maintenance while supporting robust PV system protection and compliance.
Product Information
Extended Description
JGSDC3150FAG Eaton: Eaton Series G DC/PvGard complete molded case circuit breaker, JG-frame, JG, Fixed thermal, adj. magnetic trip, Three-pole, 150A, 600 Vac, 250 Vdc, 85 kAIC at 240 Vac, 40 kAIC at 415 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, Line/load
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGSDC3150FAG
UPC
786685494265
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
150 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
JG
Class
Vdc
Mounting hardware
Metric
Interrupt rating
18 kAIC at 600 Vac 35 kAIC at 480 Vac 85 kAIC at 240 Vac 40 kAIC at 415 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 JG-frame molded case breaker rated at 150 A with a 600 Vac/250 Vdc capability. Business Impact: Delivers reliable, centralized protection for DC PV circuits across utility-scale and commercial installations, reducing fault-related downtime. Application: Ideal for PVGuard installations in solar arrays and DC distribution panels. Feature: Fixed thermal, adjustable magnetic trip (Trip Type T185). Business Impact: Precise coordination with PV generation and battery storage systems, minimizing nuisance trips and ensuring deterministic protection. Application: DC PV protection in mixed-technology architectures. Feature: High interrupt ratings across voltages (18 kAIC at 600 Vac; 35 kAIC at 480 Vac; 85 kAIC at 240 Vac; 40 kAIC at 415 Vac). Business Impact: Withstands high fault currents typical of PV systems and nearby inverters, enhancing safety and system resilience. Application: Grid-tied and off-grid PV installations. Feature: Line and load terminals with metric mounting hardware. Business Impact: Simplifies installation and retrofit in existing switchgear, reducing installation time and error potential. Application: Panel retrofits and new build-outs in industrial facilities. Feature: UL 489 certified, complete PVGuard solution. Business Impact: Meets essential electrical safety standards and PV-specific protection requirements, supporting regulatory compliance and warranties. Application: Solar protection schemes in commercial/industrial settings. Industry Insight: The JGSDC3150FAG aligns photovoltaic protection with established MCCB practices, delivering predictability for maintenance planning and spare-part strategies, while minimizing total cost of ownership through durable construction and standardized mounting. Keywords woven: PVGuard, solar MCCB, DC protection, molded case breaker, three-pole, UL 489, high interrupt rating, panel retrofit, industrial solar protection.
Get a Quick Quote for a Eaton JGSDC3150FAG
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton JGSDC3150FAG?
Enquire Now
FAQs
The JGSDC3150FAG uses a three-pole JG frame with line and load terminals and metric mounting hardware. This design simplifies installation into existing switchgear and allows straightforward wiring in both new builds and retrofit projects, reducing commissioning time and potential wiring errors.
The device is rated at 150 A, with voltage ratings of 600 Vac and 250 Vdc. It provides a trip type T185 and has interrupt ratings of 18 kAIC at 600 Vac, 35 kAIC at 480 Vac, 40 kAIC at 415 Vac, and 85 kAIC at 240 Vac, making it suitable for diverse PV configurations and fault scenarios.
Yes. Its three-pole construction, DC voltage capability, and high interrupt ratings are designed for PV guard protection in both utility-scale and commercial PV systems. The DC rating, combined with the PVGuard platform, helps manage arc risk and fault currents typical of large solar arrays.
The JGSDC3150FAG carries UL 489 certification, ensuring compliance with recognized safety standards for molded case circuit breakers. This certification supports safe operation, licensing requirements, and warranty considerations in professional electrical installations.
Warranty aligns with Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever comes first. For maintenance, follow standard MCCB servicing practices, monitor trip performance, and verify calibration of the magnetic trip setting during servicing to maintain reliable PV protection.