Eaton JGPVS3250W PV Guard MCCB - UL Listed, 600 Vdc
Part Number: JGPVS3250W
Quick Summary
Eaton PV Guard JGPVS3250W is a solar-ready complete molded case circuit breaker designed for photovoltaic power systems. Installers often face reliability and safety challenges when protecting 600 Vdc PV segments, demanding a solution that trips accurately under fault conditions while withstanding harsh environments. This unit is UL Listed and photovoltaic-rated for solar applications, with a JG frame and three-pole configuration to reliably protect PV arrays and inverters. By aligning with PV standards, it supports scalable deployments, simplifies integration with existing electrical protection schemes, and helps reduce long-term maintenance costs for solar installations.
Product Information
Extended Description
JGPVS3250W Eaton: Eaton PV Guard / Solar complete molded case circuit breaker, JG-frame, JG, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 250A, 600 Vdc, 1.2 kAIC, Without terminals, Photo voltaic, 80% rated
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGPVS3250W
UPC
786685879161
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
250 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 - JGPVS3250W
Eaton Specification Sheet - JGPVS3250W
The JGPVS3250W is a three-pole molded case circuit breaker rated at 250 A and 600 Vdc, delivering robust solar protection with fast fault isolation in PV systems. This translates to reduced downtime and safer maintenance windows for solar arrays, inverters, and combiner boxes, while supporting a compact footprint in junction boxes and switchgear. The fixed thermal and fixed magnetic trip type (T186) provides predictable performance across temperature variations, enabling compliant protection for PV strings and DC distribution networks. With an 1.2 kAIC interrupt rating, the device offers ample margin for fault current scenarios common in PV installations, improving system resilience and selectivity. Frame JG and the designation as a complete breaker simplify integration, even when terminals are not included with the frame, reducing inventory complexity. The 80% rated capacity ensures stable protection during partial-load or standby conditions, helping to optimize energy management and wiring efficiency. Designed for photovoltaic use, this MCCB aligns with solar industry best practices, supporting nonstandard DC distribution while maintaining compatibility with standard MCCB accessories and mounting schemes.
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FAQs
The JGPVS3250W comes without terminals, so select compatible terminals or a terminal kit designed for the JG frame. Plan the wiring scheme in advance to ensure secure, code-compliant connections, and reference Eaton's catalog notes for recommended terminal configurations to maintain uninterrupted protection and reliable assembly in PV distribution nodes.
Key specs include a 250 A rating, 600 Vdc maximum voltage, 1.2 kAIC interrupt rating, three poles, and a JG frame. The trip type is T186 with a complete breaker configuration designed for photovoltaic applications, and it is UL Listed with an 80% rating for partial-load conditions.
Yes. It is specifically designed for photovoltaic use with a PV-rated class, 600 Vdc protection, and a 1.2 kAIC interrupt rating. Its JG frame and three-pole configuration support PV arrays, inverters, and DC distribution, delivering reliable protection and streamlined integration into commercial solar power systems.
The product is UL Listed, confirming conformity to safety standards for electrical protection devices in the US. Its photovoltaic classification and PV-compatible design further ensure suitability for solar installations, providing confidence in reliability and compliance for solar projects and inspections.
Eaton backs the product with a warranty policy of one year from installation or eighteen months from shipment, whichever occurs first. For technical support, refer to Eaton's product literature and datasheets included with the downloads, or contact Eaton's technical support for guidance on installation, commissioning, and maintenance.