Eaton JGPVS3150W PV Guard / Solar MCCB - UL Listed
Part Number: JGPVS3150W
Quick Summary
The Eaton PV Guard JGPVS3150W is a complete molded case circuit breaker designed for PV systems. Engineers often encounter DC protection challenges in variable solar environments where wiring compatibility and reliable tripping matter. UL Listed certification ensures compliance with protection standards, and the unit carries Photovoltaic-class labeling, meeting three-pole, 600 Vdc PV protection demands. With a 150 A rating and 1.2 kAIC interrupt capability, it supports scalable solar projects and seamless panel integration. This solution delivers reliable protection, ease of replacement in standard enclosures, and aligns with 80% rated performance to optimize long-term system reliability for modern solar installations.
Product Information
Extended Description
JGPVS3150W Eaton: Eaton PV Guard / Solar complete molded case circuit breaker, JG-frame, JG, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 150A, 600 Vdc, 1.2 kAIC, Without terminals, Photo voltaic, 80% rated
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGPVS3150W
UPC
786685879123
Product Length/Depth
3.57 in
Product Height
4.13 in
Product Width
4.13 in
Product Weight
6.6 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 Listed
Catalog Notes
Terminals not included with frames.
Amperage Rating
150 A
Voltage rating
600 Vdc
Trip Type
T186
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Rating
80% rated
Terminals
Without terminals
Frame
JG
Class
Photovoltaic
Interrupt rating
1.2 kAIC
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 - JGPVS3150W
Eaton Specification Sheet - JGPVS3150W
PV Guard / Solar complete molded case breaker is optimized for DC PV protection in utility-scale and commercial installations, providing a robust protection layer for PV arrays and inverters. The JG frame and three-pole design enable straightforward integration into existing MCCB panels, reducing installation time and error margins. The fixed thermal and fixed magnetic trip type, rated 150 A at 600 Vdc with 1.2 kAIC, delivers precise, nuisance-free tripping, improving system uptime and safety. UL Listed certification supports regulatory compliance and NEC alignment, smoothing procurement and commissioning workflows. Terminals are not included with frames, allowing you to select compatible lugs and terminations to fit your enclosure and wiring scheme. At 80% rated, the device balances continuous current handling with practical thermal limits, reducing cooling requirements in dense PV installations. Weight and dimensions (3.57 in L, 4.13 in W/H) fit standard MCCB footprints, aiding mechanical planning and retrofit scenarios. The photovoltaic class designation helps distinguish PV-specific protection in mixed electrical rooms, supporting easier asset management and service planning.
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FAQs
The JGPVS3150W uses the JG frame and is designed for complete breakers in standard MCCB enclosures. Terminals are not included with frames, so plan to source compatible lugs or terminal kits separately. This promotes flexible wiring options while maintaining a compact 3.57 by 4.13 inch footprint and a 6.6 lb weight for ease of field mounting.
Key specs are 150 A amperage rating, 600 Vdc voltage rating, and an interrupt rating of 1.2 kAIC. The unit is a three-pole JG frame device with a fixed thermal and fixed magnetic trip type (T186). It is 80% rated and optimized for DC PV protection in photovoltaic applications.
Yes, the JGPVS3150W is purpose-built for PV protection. It is classified as Photovoltaic with a 600 Vdc rating and 150 A capacity, suitable for PV arrays, DC feeders, combiner boxes, and inverter protection in commercial and utility-scale solar installations. Its 1.2 kAIC interrupt rating supports reliable fault clearing in typical PV fault scenarios.
The product is UL Listed, which confirms compliance with recognized electrical safety standards and supports NEC-related installations. This certification streamlines procurement, reduces risk during audits, and helps ensure that PV protection schemes meet industry safety requirements across project sites.
The JGPVS3150W provides reliable DC protection with a fixed trip design, minimizing nuisance trips and downtime in PV systems. Its compatibility with standard MCCB footprints simplifies retrofit or expansion, reducing installation costs. The UL Listed certification and robust 3-pole protection contribute to safer operations and lower long-term maintenance labor, improving overall project ROI.