Eaton DCG4065UXM DC Disconnect - UL Listed, NEMA 4X
Part Number: DCG4065UXM
Quick Summary
Eaton DCG4065UXM DC disconnect is a heavy-duty isolation switch designed for solar PV systems. Engineers often wrestle with corrosion-prone enclosures and complex wiring; this unit simplifies installation while boosting safety. With UL Listed certification, a NEMA 4X enclosure, and 316 stainless steel construction, it delivers reliable protection in harsh environments. The four-pole design and rated 600 VDC support robust PV isolation, while compatibility with 750 MCM-1/0 and 600 MCM-#2 main lugs streamlines field wiring for utility-scale and rooftop applications. This combination reduces downtime, extends service life, and improves total cost of ownership for modern solar installations.
Product Information
Extended Description
DCG4065UXM Eaton: Eaton heavy-duty DC disconnect,400A,Grade 316 stainless steel,Non-fusible,Grounded,In/Out(LC): (1) 750 MCM-1/0 and (1) 600 MCM-#2, In/Out(SR): (2) 750 MCM-1/0,600 Vdc,NEMA 4X,4,Four-pole,DC photovoltaic applications,Single-throw
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG4065UXM
UPC
786685865799
Product Length/Depth
12.42 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
125 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
Type
DC disconnect/grounded system
Amperage Rating
400 A
Number of circuits
4
Ground
Grounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Non-fusible
Application
Solar
Main lug wire size
In/Out(LC): (1) 750 kcmil-1/0 and (1) 600 kcmil-#2, In/Out(SR): (2) 750 kcmil-1/0
Number of poles
Four-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
Non-fusible
Switch type
Heavy duty safety Single-throw DC photovoltaic systems
Protection
Non-fusible
Feature: Four-pole, non-fusible DC disconnect rated 400 A and 600 VDC, grounded. Business Impact: Provides reliable, fail-safe shutoff for PV strings and controller inputs, minimizing arc risk and enabling safer maintenance. Application: Ideal for solar arrays and DC distribution within industrial facilities. Feature: NEMA 4X stainless steel enclosure (316 grade). Business Impact: Delivers weatherproof, corrosion-resistant performance that lowers maintenance cycles and service costs in outdoor or harsh environments. Application: Outdoor rooftops, utility-scale PV yards, and battery-dense installations. Feature: UL Listed certification. Business Impact: Facilitates compliance with safety codes and expedites project approvals, reducing procurement delays. Application: Buildings and facilities requiring recognized safety credentials. Feature: Main lug wiring compatibility In/Out LC and SR configurations (750 MCM-1/0 and 600 MCM-#2; SR: 2 x 750 MCM-1/0). Business Impact: Simplifies field wiring, minimizes adapters, and shortens installation time while ensuring robust conductor support. Application: Large-diameter DC feeders in PV and industrial power systems. Feature: Four-pole, 4 circuit design with 600 VDC per pole. Business Impact: Enables clean, segmented DC isolation for multi-string PV layouts, improving fault management and serviceability. Application: PV combiner boxes, DC power racks, and utility-scale PV stations. Feature: 12.42 in (L) × 57.47 in (H) × 24.12 in (W) enclosure footprint; 125 lb weight. Business Impact: Clear installation footprint with straightforward handling and mounting, reducing labor time. Application: Mechanical rooms and outdoor enclosures where space planning is critical.
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FAQs
Yes. The DCG4065UXM supports In/Out(LC) connections for one 750 kcmil-1/0 conductor and one 600 kcmil-#2, plus In/Out(SR) for two 750 kcmil-1/0 conductors. This simplifies wiring options on both rooftop and utility-scale PV installations and reduces the need for adapters during field setup.
The disconnect is rated for 400 A continuous current and 600 VDC per pole, with four poles total. It is a non-fusible, grounded disconnect designed for DC photovoltaic applications, providing robust isolation and safe maintenance access in solar power systems.
Absolutely. The DCG4065UXM uses a 316 stainless steel enclosure rated NEMA 4X, delivering superior weather resistance and corrosion protection. This makes it ideal for outdoor PV arrays, rooftop installations, and other harsh environments where reliability is essential.
The unit is UL Listed for safety and performance, with a NEMA 4X enclosure and 316 stainless steel construction. These features support compliance with electrical codes and standards in commercial and industrial solar projects.
The stainless steel, corrosion-resistant enclosure reduces maintenance frequency and part replacements in outdoor settings. The UL Listing and durable, non-fusible design contribute to longer service life, lower lifecycle costs, and faster commissioning for PV installations.