Eaton RGHDCW3250WMA12 PV Guard Solar MCCB - 1000V
Part Number: RGHDCW3250WMA12
Quick Summary
The Eaton PV Guard Solar complete molded case circuit breaker protects PV systems with robust DC protection. This solution addresses the common challenge of mitigating DC fault energy and ensuring rapid isolation in solar installations. UL Listed, IEC Rated, and CSA Certified, it meets stringent utility and industrial safety standards for reliability and compliance. By combining PVGard capabilities with a high amperage rating, it delivers long-term protection while simplifying maintenance and serviceability. For engineers and procurement teams, this device offers a proven balance of safety, performance, and total cost of ownership in DC protection for solar applications.
Product Information
Extended Description
RGHDCW3250WMA12 Eaton: Eaton Seires R RGHDC 2500A RG-DC 1000VDC CCC Only with 2A/2B Aux
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
RGHDCW3250WMA12
UPC
786689023294
Product Length/Depth
9.75 in
Product Height
16 in
Product Width
15.5 in
Product Weight
135 lb
Certifications
UL Listed IEC Rated CSA Certified
Type
PV Guard and Solar
Amperage Rating
2500 A
Voltage rating
1000 V
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 - RGHDCW3250WMA12
Eaton Specification Sheet - RGHDCW3250WMA12
Feature → Business Impact → Application: The device’s 2500 A amperage rating enables protection for high-current PV DC circuits, reducing the risk of catastrophic faults and equipment damage in utility-scale and commercial solar farms. This translates to lower downtime and fewer costly replacements, while enabling safer system operation in harsh outdoor environments. Application: Suitable for large PV arrays and DC protection in central inverters where fault isolation must be fast and dependable, supported by UL Listed and CSA Certified compliance. Feature → Business Impact → Application: 1000 V voltage rating provides a wide DC operating window, allowing direct integration with modern PV strings and DC combiner systems without needing extra protection layers. This simplifies installation and reduces panel space requirements in restricted enclosures. Application: Ideal for PVGard installations and solar electrical rooms requiring robust high-voltage protection with certified performance. Feature → Business Impact → Application: Complete molded case design with a compact footprint for heavy-duty protection in a familiar MCCB format, enabling straightforward retrofits and panel upgrades. Application: Great for retrofit projects in existing electrical rooms where traditional MCCBs are replaced with PV-specific protection while preserving enclosure compatibility. Feature → Business Impact → Application: Optional 2A/2B auxiliary contacts (Aux) enable remote signaling and sequence coordination with SCADA or BMS, enhancing monitoring and fault diagnostics. Application: Critical for grid-tied and off-grid solar operations that demand real-time status updates and integrated control. Feature → Business Impact → Application: PVGuard and Solar-specific design improve safety margins and fault zoning, which reduces maintenance complexity and improves uptime. Application: Useful in utility-scale plants, commercial rooftops, and remote PV installations where dependable DC protection and clear fault indication are essential.
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FAQs
The RGHDCW3250WMA12 is designed for high-current DC protection in PV installations, including utility-scale farms and large commercial rooftops. It provides reliable isolation and protection against DC faults, supporting PVGard integration and 1000 V DC operation to safely protect PV strings and DC bus protection schemes.
Yes, it is rated for 1000 V DC and meets UL Listed, IEC Rated, and CSA Certified standards, ensuring compliance across utility and industrial solar projects and simplifying procurement for regulated environments.
Product dimensions are 9.75 in depth, 16 in height, and 15.5 in width, with a weight of 135 lb, providing a substantial, rugged enclosure-ready solution for outdoor or semi-enclosed electrical rooms.
PVGuard integrates specialized protection concepts for PV systems, offering robust DC fault protection, rapid isolation, and compatibility with PV-specific auxiliary signaling, which reduces failure modes and downtime while improving overall system reliability.
The unit supports 2A/2B auxiliary contacts for remote signaling and integration with SCADA or BMS systems, enabling status indication and coordinated protection actions without additional external hardware.