Eaton DCU2064UPM DC Disconnect - NEMA 4
Part Number: DCU2064UPM
Quick Summary
DCU2064UPM is a heavy-duty DC disconnect designed for solar power and other 600 VDC circuits. This device provides safe, reliable isolation in ungrounded DC systems, helping operators prevent arc-flash and faults during maintenance. Engineers often struggle with finding a compact, code-compliant disconnect that withstands harsh environments, while also supporting large wiring configurations. This model carries UL 98B and NEC 690 (per UL 1741) certifications, and a NEMA 4 enclosure, ensuring dependable protection against dust, water, and corrosion. With a 200 A rating and two circuits, DCU2064UPM offers robust performance for solar and industrial power distribution. Its painted galvanized steel enclosure, clear labeling, and Eaton warranty provide tangible value, reducing downtime and simplifying compliance, while remaining flexible for future expansion in solar arrays or other 600 VDC applications.
Product Information
Extended Description
DCU2064UPM 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,2,
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU2064UPM
UPC
786685625164
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 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/ungrounded system
Amperage Rating
200 A
Number of circuits
2
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: 200 A, two circuits design provides robust DC isolation for solar and other 600 VDC systems. Business impact: enables a single, compliant disconnect for mid-to-large arrays, reducing panel count and installation time while maintaining clear fault isolation. Application: ideal for solar PV inverters and battery-rich DC microgrids where dependable, rapid isolation is required during maintenance or emergency stops. Feature: Non-fusible protection in an ungrounded system delivers predictable isolation without affecting system grounding. Business impact: simplifies safety procedures and reduces nuisance faults, lowering maintenance overhead. Application: suitable for rugged solar farms and industrial DC distributions where reliable isolation is essential. Feature: 600 VDC rating with a NEMA 4 painted galvanized steel enclosure enables outdoor installation in dusty, wet, or corrosive environments. Business impact: improves uptime in harsh sites and reduces enclosure-related corrosion costs. Application: solar arrays, remote power stations, and field-mounted DC feeders. Feature: Flexible main lug wiring options LC, SR, and EG support direct connections to large feeders and control wiring. Business impact: minimizes adapters, speeds up commissioning, and lowers wiring errors. Application: PV strings, inverters, and battery interfaces requiring diverse conductor sizes. Feature: UL 98B and NEC 690 (per UL 1741) compliance plus a robust warranty provide regulatory confidence and long-term value. Business impact: accelerates approvals, reduces rework, and improves total cost of ownership. Application: system integrators and procurement teams seeking dependable solar DC disconnects with clear service expectations.
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FAQs
DCU2064UPM supports three main lug configurations: LC allows in 300 kcmil to out 300 kcmil-6; SR supports the same range; EG handles in #4-#14 AWG to out 1/0-#14. This variety enables direct connections to large solar feeders or smaller control wiring without adapters, simplifying field assembly and reducing termination errors.
The unit is rated for 200 A across 2 circuits, with a maximum voltage of 600 VDC, ungrounded, non-fusible, and housed in a NEMA 4 painted galvanized steel enclosure. It carries UL 98B and NEC 690 (per UL 1741) certifications, aligning with common solar and electrical safety standards.
Yes. The NEMA 4 enclosure and painted galvanized steel construction are designed for outdoor, dusty, and wet environments. The 600 VDC rating and ungrounded, non-fusible design provide safe isolation and straightforward maintenance, making it well-suited for solar PV inverters, battery interfaces, and remote DC power feeds.
DCU2064UPM carries UL 98B and NEC 690 per UL 1741 certifications, with a NEMA 4 enclosure. These certifications ensure compliance with safety and solar-specific standards, facilitating inspections and installer confidence. The robust enclosure and rating also support longer service life in demanding environments, helping protect investments over the system lifecycle.
Eaton provides a warranty of one year from installation or eighteen months from shipment, whichever occurs first. The rugged steel enclosure and non-fusible design help minimize maintenance interruptions. For best ROI, plan for standard spare terminations and verify LC/SR/EG wiring compatibility to streamline future upgrades or expansions.