Eaton DCG3064UWM DC Disconnect Three-Phase - NEMA 4X
Part Number: DCG3064UWM
Quick Summary
The Eaton heavy-duty DC disconnect provides safe, high-current isolation for solar PV installations. Engineers often struggle with outdoor durability, limited mounting space, and regulatory compliance when selecting a DC disconnect for PV arrays. This model carries NEC 690 per UL 1741 and UL 98B certifications inside a rugged 304 stainless steel NEMA 4X enclosure, rated to 600 VDC and 200 A. With a grounded, isolated-return design and three-pole configuration, installation is straightforward in tight footprints. The combination of rugged enclosure, robust ratings, and straightforward wiring translates into lower maintenance, faster commissioning, and long-term reliability for solar and industrial DC systems.
Product Information
Extended Description
DCG3064UWM Eaton: Eaton heavy-duty DC disconnect,200A,Solar,Grade 304 stainless steel,Non-fusible,Grounded,In/Out(LC): 300 MCM-#6, In/Out(SR): 300 MCM-#6,600 Vdc,NEMA 4X,3,Non-fusible,Isolated return,Three-pole,DC photovoltaic applications,Single-throw
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCG3064UWM
UPC
786685624860
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
NEC 690 per UL 1741 UL 98B
Type
DC disconnect/grounded system
Amperage Rating
200 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): 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
304 stainless steel
Fuse configuration
Non-fusible
Isolation
Isolated return
Switch type
Heavy duty safety Single-throw DC photovoltaic systems
Protection
Non-fusible
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DCG3064UWM
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 200 A amperage rating with a three-pole design. Business Impact: Enables high-current DC isolation for large solar arrays, reducing the number of required disconnects and simplifying layout. Application: Suitable for commercial rooftop and utility-scale PV installations. Feature: NEMA 4X enclosure built from 304 stainless steel. Business Impact: Delivers superior corrosion resistance and weatherproofing, lowering maintenance costs in outdoor or wash-down environments. Application: Outdoor PV controls and harsh industrial settings. Feature: Non-fusible, isolated return with grounded configuration. Business Impact: Improves electrical safety and fault management, simplifying compliance with utility and code requirements. Application: Heavy-duty DC photovoltaic systems where reliable isolation is critical. Feature: Main lug capability In/Out LC and SR wiring up to 300 kcmil-#6. Business Impact: Supports large conductor sizes, enabling efficient PV string connections and reducing labor during field terminations. Application: Large-scale solar arrays and battery storage interfaces. Feature: 600 VDC system voltage and three-pole construction. Business Impact: Provides robust, code-compliant performance for high-voltage DC power distribution, minimizing voltage drop and arcing risks. Application: DC PV applications across commercial and industrial projects. Feature: Certifications NEC 690 per UL 1741 and UL 98B. Business Impact: Ensures code compliance and industry-standard reliability, accelerating project approvals. Application: Solar power installations requiring stringent safety standards.
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FAQs
To install the DCG3064UWM, mount the unit in a suitable location with the NEMA 4X enclosure protection. Connect In/Out wires to LC terminals using up to 300 kcmil-#6 conductors and maintain the isolated-return configuration. Ensure the device is grounded and the three-pole setup is correctly wired for 600 VDC operation. Follow NEC guidelines and Eaton’s installation sheet for sequencing and labeling.
The DCG3064UWM is rated for 200 A, three-pole operation, and a maximum of 600 VDC. It is non-fusible and grounded, designed for DC photovoltaic applications with isolated return. Main lug wire sizes are In/Out LC: 300 kcmil-#6 and In/Out SR: 300 kcmil-#6, supporting robust PV string connections and safe fault management.
Yes. The DCG3064UWM uses a NEMA 4X enclosure and 304 stainless steel construction, providing corrosion resistance and weatherproof performance ideal for outdoor solar PV installations and other harsh environments. Its grounded, non-fusible design supports reliable field service in rooftops, carports, or utility-scale settings while meeting typical outdoor code requirements.
This disconnect adheres to NEC 690 requirements with UL 1741 and UL 98B certifications. These approvals validate safe operation at up to 600 VDC, support for three-pole configurations, and the non-fusible, isolated-return design, helping projects meet local electrical codes and utility interconnection standards.
Constructed from 304 stainless steel and rated for 600 VDC at 200 A, the unit offers high durability with low maintenance needs in outdoor PV environments. The NEMA 4X enclosure reduces corrosion risk, lowering replacement costs. A robust warranty, strong regulatory certifications, and straightforward wiring contribute to faster commissioning and predictable long-term ROI.