Eaton JGPVS3225W PV Guard Solar MCCB - UL Listed
Part Number: JGPVS3225W
Quick Summary
The Eaton PV Guard JGPVS3225W is a solar-ready molded case circuit breaker designed for photovoltaic power systems. Engineers often face the challenge of providing reliable overcurrent protection in PV arrays without sacrificing installation simplicity or long-term maintenance costs. This unit delivers UL Listed safety compliance for 600 Vdc PV applications and features a compact JG frame with a complete breaker assembly. With an 80% rated capacity and a 1.2 kAIC interrupt rating, it enables robust protection while reducing nuisance tripping in variable irradiance conditions. The product aligns with PV system design workflows, offers straightforward compatibility with existing MCCB architectures, and supports efficient field integration for solar portfolios.
Product Information
Extended Description
JGPVS3225W Eaton: Eaton PV Guard / Solar complete molded case circuit breaker, JG-frame, JG, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 225A, 600 Vdc, 1.2 kAIC, Without terminals, Photo voltaic, 80% rated
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGPVS3225W
UPC
786685879154
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
225 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
PVGard solar circuit breakers technical data sheet
PVGard solar circuit breakers technical data sheet
Feature → Business Impact → Application: Three-pole JG frame design provides comprehensive protection for three-phase PV feeders, enhancing system reliability and simplifying panel layout in solar installations. This supports safer, code-compliant wiring while minimizing diagnostic downtime during fault events. Application: Suitable for commercial and utility-scale PV arrays where dependable overcurrent protection is essential. Feature → Business Impact → Application: 225 A amperage rating delivers targeted protection for mid-to-large PV circuits, reducing the likelihood of nuisance trips and enabling tighter protection coordination with upstream devices. Application: Ideal for PV inverters and string combiner boxes needing precise current-limiting without compromising system availability. Feature → Business Impact → Application: 600 Vdc voltage rating ensures compatibility with standard PV module strings and DC conductors, improving installation efficiency and compliance with PV safety standards. Application: Fits typical PV racking and junction box configurations with minimal terminal changes. Feature → Business Impact → Application: 1.2 kAIC interrupt rating offers enhanced fault interruption capacity, lowering the risk of arc-flash exposure and protecting photovoltaic equipment from severe faults. Application: Critical for utility-grade solar projects and large-scale commercial rooftops. Feature → Business Impact → Application: Without terminals, pre-wired assemblies reduce field labor and timing for commissioning, speeding up project schedules. Application: Accelerates deployment in tight installation spaces and reduces terminal-related procurement complexity. Feature → Business Impact → Application: 80% rated performance provides conservative operating margins aligned with PV safety margins, ensuring sustained protection under fluctuating solar generation. Application: Supports dependable long-term protection in variable irradiance and temperature environments. Feature → Business Impact → Application: UL Listed certification offers industry-recognized safety compliance, streamlining procurement and insurer confidence. Application: Helps meet regulatory requirements for electrical protection in PV systems. Feature → Business Impact → Application: Photovoltaic class designation communicates suitability for PV protection roles, guiding system integrators in selecting appropriate MCCBs. Application: Improves spec accuracy for solar project documentation and commissioning sheets.
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FAQs
The JGPVS3225W is a three-pole JG-frame complete breaker designed for seamless integration into standard JG MCCB panels. Note that terminals are not included, so wiring must be completed with compatible lugs or terminations. This minimizes retrofit complexity while preserving protection performance.
Key specs include a 225 A amperage rating, 600 Vdc voltage rating, and a 1.2 kAIC interrupt rating. The product is 80% rated and classed as Photovoltaic, with UL Listed certification, making it suitable for typical PV array protections and DC feeders.
Yes. It is designed for PV environments with a photovoltaic class designation and a 600 Vdc rating, supporting safe operation across solar installations. The UL Listed rating further ensures compliance with safety standards, while its compact JG frame helps with space-constrained installations.
This model carries UL Listed certification, signifying safety compliance for electrical protection devices. In PV applications, this certification supports project approvals, insurance considerations, and smooth integration into standard solar protection schemes.
By delivering reliable overcurrent protection with a robust 1.2 kAIC interrupt rating and easy JG-frame installation, the JGPVS3225W reduces nuisance trips and maintenance downtime. The UL Listed status also accelerates procurement and commissioning, contributing to lower total installed costs and faster project uptime.