Eaton DCG3064FXM DC Disconnect for Solar - 600 VDC NEMA 4X
Part Number: DCG3064FXM
Quick Summary
DCG3064FXM is Eaton’s heavy-duty DC disconnect for solar PV circuits. Engineers often struggle with reliable enclosure protection, safe isolation, and compliant fuse configurations in harsh outdoor environments. It carries UL 98B and NEC 690 per UL 1741 compliance, with a NEMA 4X enclosure in 316 stainless steel. This combination supports reliable, maintenance-friendly solar protection with a 200 A rating and isolated return, delivering long-term value for industrial plants. The design emphasizes compatibility with large conductor sizes and straightforward wiring to streamline commissioning and service in evolving solar projects. A robust solution for outdoor PV protection, reducing downtime and lifecycle costs.
Product Information
Extended Description
DCG3064FXM Eaton: Eaton heavy-duty DC disconnect,200A,Solar,Grade 316 stainless steel,Fusible,Grounded,In/Out(LC): 300 MCM-#6, In/Out(SR): 300 MCM-#6,600 Vdc,NEMA 4X,3,Fusible,Isolated return,Three-pole,DC photovoltaic applications,Single-throw
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG3064FXM
UPC
786685624891
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
24.26 in
Product Weight
45 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 98B NEC 690 per UL 1741
Type
DC disconnect/grounded system
Amperage Rating
200 A
Number of circuits
3
Ground
Grounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Fusible
Application
Solar
Main lug wire size
In/Out(LC): 300 kcmil-#6, In/Out(SR): 300 kcmil-#6
Number of poles
Three-pole
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC photovoltaic applications
Enclosure
NEMA 4X
Enclosure material
316 stainless steel
Fuse configuration
Fusible
Isolation
Isolated return
Switch type
DC photovoltaic systems Single-throw Heavy duty safety
Protection
Fusible
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DCG3064FXM
Selling Policy 25-000 - Distribution and Control Products and Services
DCG3064FXM delivers a proven, safety-focused solution for solar applications. Feature → Business Impact → Application: The three-pole, 200 A fusible DC disconnect provides clean fault isolation, improving personnel safety and reducing arc-flash risk on site. This translates to shorter downtime during maintenance and quicker, safer commissioning of PV systems in commercial and utility-scale installations. Application: Solar plant DC trunks and string combiner stations where reliable, code-compliant isolation is required. Feature → Business Impact → Application: The unit uses a grounded system with isolated return, ensuring predictable fault paths and easier fault diagnostics for technicians working in harsh outdoor environments. Application: Outdoor PV arrays exposed to weather and corrosive elements. Feature → Business Impact → Application: In/Out LC and SR conductor ratings of 300 kcmil-#6 enable direct connections to large-diameter DC conductors, reducing splices and associated losses. Application: Large-diameter conductor runs in utility-grade solar installations. Feature → Business Impact → Application: 316 stainless steel, NEMA 4X enclosure delivers corrosion resistance and environmental protection, minimizing maintenance and extending service intervals in outdoor plants. Application: Outdoor PV enclosures subject to dust, water ingress, and chemical exposure. Feature → Business Impact → Application: UL 98B and NEC 690 per UL 1741 certifications provide regulatory peace of mind, facilitating faster approvals and commissioning. Application: Projects requiring PV safety and compliance documentation. Feature → Business Impact → Application: Fusible protection with isolated return supports safe de-energization of circuits during maintenance, reducing arc energy and improving system reliability. Application: Fault isolation in solar DC protection schemes. These features collectively support improved reliability, faster maintenance, and lower total cost of ownership for solar and mixed-asset facilities.
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FAQs
The DCG3064FXM is a heavy-duty three-pole DC disconnect designed to safely isolate solar PV circuits. It delivers 200 A capability, fusible protection, and a grounded isolated return, making it ideal for solar arrays, string combiner sections, and other outdoor PV protection points. Its NEMA 4X enclosure protects sensitive components from environmental exposure, reducing field failures and maintenance time.
Yes. The unit is built with a 316 stainless steel enclosure and a NEMA 4X rating, specifically intended for outdoor applications. This construction provides corrosion resistance and dust/water ingress protection, helping maintain performance and extending service intervals in harsh environments.
Key specs include a 200 A amperage rating, three circuits, grounded system with isolated return, and a maximum voltage of 600 VDC per pole. It uses fusible protection and supports large conductor connections (In/Out LC: 300 kcmil-#6, In/Out SR: 300 kcmil-#6), suitable for DC PV protection in solar installations.
The DCG3064FXM carries UL 98B and NEC 690 per UL 1741 compliance, ensuring electrical code alignment for PV systems. It also features a NEMA 4X enclosure and corrosion-resistant construction, reinforcing reliability in outdoor solar environments and aiding regulatory approvals during project commissioning.
Plan for direct compatibility with 300 kcmil-#6 conductors to minimize splices, install in a protected outdoor area with proper enclosure mounting, and account for the fusible protection configuration. The unit’s isolated return simplifies testing and maintenance, while the rugged enclosure reduces replacement cycles, improving uptime and lifecycle costs in solar facilities.