Eaton PV Guard RGHDC3250FFWM PV MC-CB -125 kAIC
Part Number: RGHDC3250FFWM
Quick Summary
PV Guard RGHDC3250FFWM is a complete molded case circuit breaker designed for PV and solar DC protection in large-scale installations. Engineers often struggle with reliable DC protection across varying PV system voltages and fault conditions, leading to downtime and costly repairs. This device leverages a robust RG-frame with fixed thermal and fixed magnetic trip to deliver fast, predictable protection; it also supports high interrupt ratings and field compatibility. For market-specific approvals, confirm CE, IP, or SIL certifications with the manufacturer. By combining proven protection performance with installation flexibility, it helps reduce lifecycle costs and improve system uptime for commercial and utility-scale solar projects.
Product Information
Extended Description
RGHDC3250FFWM Eaton: Eaton Series G DC/PvGard complete molded case circuit breaker, RG-frame, RG, Fixed thermal, fixed magnetic trip, Three-pole, 2500A, 600 Vac, 250 Vdc, 125 kAIC at 240 Vac, 65 kAIC at 480 Vac, No terminals, Metric, Vdc, 50/60 Hz
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
RGHDC3250FFWM
UPC
786685931913
Product Length/Depth
9.75 in
Product Height
15.5 in
Product Width
15.5 in
Product Weight
0.001 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.
Compliances
Contact Manufacturer
Catalog Notes
INCLUDE (6) REAR CONNECTORS
Type
Fixed thermal, fixed magnetic trip unit
Amperage Rating
2500 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T186
Circuit breaker type
RG
Circuit breaker frame type
Complete breaker
Terminals
Without terminals
Class
Vdc
Interrupt rating
125 kAIC at 240 Vac 65 kAIC at 480 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
Eaton Specification Sheet - RGHDC3250FFWM
Eaton Specification Sheet - RGHDC3250FFWM
Feature: 2500 A amperage rating and 600 Vac / 250 Vdc voltage capability enable protection of large PV arrays and mixed AC/DC distribution. Business Impact: Supports scalable solar installations with fewer components and coordinated protection across DC and AC sides. Application: Utility-scale PV farms and large commercial PV systems. In practice, this reduces panel-level fault propagation and extends inverter life by preventing overcurrent events. Feature: Fixed thermal and fixed magnetic trip (T186) delivers predictable coordination with inverters and PV strings. Business Impact: Improves protection selectivity and minimizes nuisance tripping, reducing unplanned downtime. Application: DC protection for solar DC buses and multi-string configurations. Feature: 125 kAIC at 240 Vac and 65 kAIC at 480 Vac interrupt rating provides high fault current withstand. Business Impact: Enhanced safety margins in grid-tied systems and industrial rooftops. Application: High-current PV inverters and medium-to-large power distribution schemes. Feature: RG frame, complete molded case design with terminals omitted and catalog noting rear connectors included. Business Impact: Streamlines installation planning and sourcing by clarifying connector inclusion; reduces field assembly time. Application: Custom enclosures and rear-connector configurations in new builds. Feature: Dimensions 9.75 in L x 15.5 in W x 15.5 in H with compact footprint. Business Impact: Fits dense switchgear layouts and simplifies enclosure planning. Application: Large control cabinets and PV distribution racks. Feature: One-year warranty per Eaton policy 25-000, or 18 months from shipment depending on schedule. Business Impact: Lowers total cost of ownership through documented post-sale support. Application: Compliance-driven procurement for ongoing maintenance cycles.
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FAQs
The catalog notes specify INCLUDE (6) REAR CONNECTORS, and the unit ships without terminals. Plan to source rear connectors separately to complete installation in your enclosure. This approach supports flexible termination options and field configurability for large PV installations.
Yes. The device is rated for 250 Vdc on the DC side and 600 Vac on the AC side, enabling protection across PV DC circuits and AC distribution. Ensure your system topology matches a three-pole RG-frame breaker with fixed thermal and magnetic trip.
The breaker offers 125 kAIC at 240 Vac and 65 kAIC at 480 Vac. This high interrupt rating means robust short-circuit protection for mid- to large-scale PV inverters and interconnects, reducing the risk of damage during fault events.
Yes, it is a three-pole RG-frame breaker with a fixed thermal and fixed magnetic trip (T186). This arrangement provides coordinated protection across the three phases and DC link, improving fault discrimination and system reliability in three-phase PV configurations.
Warranty follows Eaton policy 25-000—one year from installation or 18 months from shipment, whichever occurs first. For installation, note the absence of terminals and the inclusion of rear connectors; consult Eaton specification sheets for mounting, enclosure, and wiring guidance to meet regulatory and safety requirements.