Eaton DCU3064UPM DC Disconnect - NEMA 4, 600 VDC
Part Number: DCU3064UPM
Quick Summary
The Eaton DCU3064UPM DC Disconnect provides heavy-duty, non-fusible DC isolation for solar arrays and other 600 VDC applications. Engineers frequently face challenges with enclosure integrity, safe maintenance, and compliance when deploying in outdoor or harsh environments. This unit leverages UL 98B and NEC 690 per UL 1741 standards, with a NEMA 4 rated enclosure to withstand moisture and dust. Its robust painted galvanized steel cabinet and 200 A rating reduce system complexity while delivering reliable isolation. By combining a 35.38 in depth with a three-circuit layout, it supports scalable solar installations and other ungrounded DC systems, delivering predictable performance and lower total cost of ownership.
Product Information
Extended Description
DCU3064UPM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,200A,NEMA 4,Painted steel,Non-fusible,Ungrounded,LC: In 300 MCM-#6 out 300 MCM-#6. SR: in 300 MCM-#6 out 300 MCM-#6. EG: in #4-#14 AWG out 1/0-#14,600 Vdc,3
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU3064UPM
UPC
786685625249
Product Length/Depth
35.38 in
Product Height
11.63 in
Product Width
24.46 in
Product Weight
70 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/ungrounded system
Amperage Rating
200 A
Number of circuits
3
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4
Protection
Non-fusible
Application
Solar
Main lug wire size
LC: In 300 kcmil-#6 out 300 kcmil-#6. SR: in 300 kcmil-#6 out 300 kcmil-#6. EG: in #4-#14 AWG out 1/0-#14
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC Photovoltaic Applications
Enclosure
NEMA 4
Enclosure material
Painted galvanized steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Non-fusible
Feature: Heavy-duty DC disconnect/ungrounded system. Business Impact: Provides reliable, non-fusible isolation for 600 VDC solar and industrial circuits, reducing risk during maintenance and improving uptime. Application: Ideal for solar DC isolation in outdoor or harsh environments. Feature: Flexible termination options. Business Impact: Main lug configurations accommodate LC, SR, and EG wiring (LC: 300 kcmil-#6 in, out; SR: 300 kcmil-#6 in, out; EG: #4-#14 AWG in, out 1/0-#14), enabling quick, code-compliant installations. Application: Supports diverse PV and battery storage layouts. Feature: NEMA 4 painted galvanized steel enclosure. Business Impact: Excellent moisture and dust resistance, lowering corrosion risk and service frequency in outdoor sites. Application: Outdoor solar yards and industrial DC distribution. Feature: UL 98B and NEC 690 per UL 1741 compliance. Business Impact: Streamlines certification and reduces risk of non-compliance penalties. Application: Regulated solar deployments and utility-interfaced DC systems. Feature: 200 A, 3 circuits, ungounded configuration. Business Impact: Scalable protection for mid-size solar arrays with straightforward expansion. Application: PV plants, battery backup, and ungrounded DC networks.
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FAQs
DCU3064UPM supports LC in 300 kcmil-#6 out 300 kcmil-#6, SR in 300 kcmil-#6 out 300 kcmil-#6, and EG in #4-#14 AWG in to 1/0-#14 out. This provides flexible, code-compliant termination for large PV conductors and smaller control wiring, reducing the need for multiple junctions and simplifying on-site wiring.
Yes. The unit is designed for solar PV applications and other ungrounded 600 VDC systems, with three circuits at 200 A. Its ungrounded configuration and 600 VDC rating make it a versatile choice for mixed-application DC distributions while maintaining safe isolation and ease of maintenance.
The DCU3064UPM carries UL 98B and NEC 690 per UL 1741 certification, and it is installed in a NEMA 4 enclosure. These standards assure reliability in harsh environments, compatibility with code requirements, and safe operation in outdoor installations.
The 35.38 in depth offers generous internal space for wiring and routing, facilitating cleaner layouts and easier future upgrades. Coupled with a 24.46 in width, 11.63 in height, and a 70 lb weight, it supports stable mounting in standard electrical rooms or outdoor enclosures while minimizing footprint impact.
Eaton’s policy—25-000—provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first. In addition to warranty, customers can rely on Eaton’s technical support resources for field questions, spare parts, and documentation updates to maximize return on investment.