Eaton DCG3065UXM DC Disconnect - NEMA 4X UL Listed
Part Number: DCG3065UXM
Quick Summary
Eaton DCG3065UXM is a heavy-duty DC disconnect designed for solar PV applications and other 600 VDC circuits. In practice, engineers face space constraints, corrosion risk, and reliability gaps in harsh environments; this unit addresses those by combining a rugged 316 stainless steel enclosure with a grounded, non-fusible design. UL Listed with a NEMA 4X rating and isolated return, it delivers safe shutdown and predictable performance in outdoor and industrial settings. The product is well-suited for DC PV protection strategies, offering robust protection without compromising installation flexibility or maintenance costs. With three poles and clearly defined wiring options, it integrates smoothly into existing protection schemes while supporting long-term system reliability.
Product Information
Extended Description
DCG3065UXM 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,3,Isolated return,Three-pole,DC photovoltaic applications,Single-throw
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG3065UXM
UPC
786685865713
Product Length/Depth
12.42 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
124.5 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
3
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
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
Non-fusible
Isolation
Isolated return
Switch type
Single-throw Heavy duty safety DC photovoltaic systems
Protection
Non-fusible
Feature → Business Impact → Application: Heavy-duty 400 A, three-pole, non-fusible DC disconnect provides a reliable point of isolation, reducing risk during maintenance and fault conditions. Benefit: safer operations, improved downtime metrics, and easier compliance demonstrations for solar projects. Application: DC PV arrays and industrial 600 VDC circuits requiring isolated return and grounded protection. Feature → Business Impact → Application: 316 stainless steel enclosure with NEMA 4X rating delivers superior corrosion resistance and outdoor suitability, lowering lifecycle maintenance costs. Benefit: extended service life in harsh environments and reduced enclosure refurbishment. Application: outdoor commercial solar sites and rugged factories. Feature → Business Impact → Application: In/Out connections rated for LC and SR configurations with large conductor capacity (750 MCM-1/0 and 600 MCM-#2; 2 x 750 MCM-1/0 for SR), enabling flexible, code-compliant wiring. Benefit: faster, error-free installations and reduced field rework. Application: DC wiring for PV strings and modular systems. Feature → Business Impact → Application: 600 VDC per pole rating, UL Listed, and NEMA 4X enclosure, ensuring compliance with safety standards while enabling scalable protection. Benefit: confidence in regulatory alignment and compatibility with utility-grade equipment. Application: utility-interfaced solar farms and high-current DC feeders. Feature → Business Impact → Application: Isolated return and grounded design simplify fault isolation and troubleshooting, decreasing mean time to repair. Benefit: lower maintenance costs and improved system availability. Application: ongoing operations and preventive maintenance plans.
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FAQs
DCG3065UXM is designed for harsh outdoor and industrial settings, featuring a 316 stainless steel enclosure and a NEMA 4X rating. It supports 600 VDC systems and is UL Listed, making it suitable for rooftop and ground-mounted solar arrays where corrosion resistance and safe isolation are critical.
The unit provides In/Out LC connections for (1) 750 kcmil-1/0 and (1) 600 kcmil-#2, and In/Out SR connections for two 750 kcmil-1/0. Use these layouts to match conductor sizes to maintain listed protection, ensure proper torque on lugs, and follow NEC guidelines for DC grounding and isolation.
Yes. The enclosure is 316 stainless steel with a NEMA 4X rating, designed to withstand exposure to moisture, dust, and harsh environments. This makes it appropriate for outdoor solar installations and industrial settings where environmental protection is essential.
The product is UL Listed and features a NEMA 4X enclosure, plus a grounded, non-fusible three-pole design. These certifications confirm compliance with safety and performance standards, facilitating regulatory approval, safer maintenance, and reliable operation in solar and DC distribution systems.
Eaton provides a warranty policy (25-000) offering one year from installation or eighteen months from shipment, whichever occurs first. This mitigates risk for fast-moving projects and supports planning for preventive maintenance and parts availability in solar and industrial DC networks.