Eaton DCU2065URM DC Disconnect - UL Listed
Part Number: DCU2065URM
Quick Summary
Eaton heavy duty DC disconnect provides safe, reliable isolation for solar PV systems. Facility teams often struggle with equipment reliability and compliance when switching high‑voltage DC circuits in outdoor installations. UL Listed and NEMA 3R enclosures ensure robust protection against weather and electrical fault conditions, while the 600 VDC rating and non-fusible, ungrounded design support safer, maintenance-friendly operation. This solution also aligns with standard solar-battery configurations and simplifies field retrofits, reducing downtime and inspection overhead. By choosing a trusted Eaton solution, engineering teams gain predictable performance, clearer documentation, and a scalable path for growing PV installations while meeting industry expectations for safety and reliability.
Product Information
Extended Description
DCU2065URM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,400A,NEMA 3R,Painted galvanized steel,Non-fusible,Ungrounded,600 Vdc,2,DC Photovoltaic Applications
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU2065URM
UPC
786685865898
Product Length/Depth
12.42 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
115 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/ungrounded system
Amperage Rating
400 A
Number of circuits
2
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 3R
Protection
Non-fusible
Application
Solar
System voltage
600 VDC per pole
Voltage rating
600 VDC
Series
DC Photovoltaic Applications
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Non-fusible
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DCU2065URM
Selling Policy 25-000 - Distribution and Control Products and Services
Feature 400 A amperage rating and two circuits → Business Impact Enables high-current PV strings to be isolated with a single, compact unit, reducing enclosure count and wiring complexity. Application Ideal for solar PV arrays where two independent DC feeds must be controlled from one location. Feature Ungrounded and Non-fusible design → Business Impact Improves fault isolation clarity and system safety by avoiding unintended fuse operations during routine disconnection. Application Suitable for non-fusible DC protection in outdoor solar installations where quick, reliable shutoff is required. Feature Maximum voltage 600 VDC and System voltage 600 VDC per pole → Business Impact Supports modern PV topologies while maintaining a wide operating envelope and compliance with common solar standards. Application Fits utility-scale and commercial PV systems demanding higher DC voltage handling. Feature NEMA 3R enclosure and Painted galvanized steel → Business Impact Delivers weather-resistant protection, extending service life in outdoor environments and reducing corrosion-related maintenance costs. Application Outdoor solar arrays and exposed equipment areas. Feature Enclosure dimensions 12.42 in depth × 57.47 in height × 24.12 in width and weight 115 lb → Business Impact Provides a predictable footprint for layout planning and facilitates safe, hub-based wiring and maintenance access. Application Retrofit projects and new installations where space planning is critical. Feature Non-fusible protection and UL Listed certification → Business Impact Supports compliance, simplifies inspections, and reduces risk during operation and maintenance. Application Systems requiring certified, easily auditable disconnect hardware for safety programs and regulatory reviews.
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FAQs
Yes. The unit is rated for 600 VDC per pole and delivers 400 A across two circuits, making it suitable for many two-string solar PV configurations and other high-current DC isolation needs.
Plan for outdoor mounting in a NEMA 3R-rated enclosure. The enclosure is painted galvanized steel and designed for weather exposure, with dimensions of 12.42 in depth, 57.47 in height, and 24.12 in width, and a weight of 115 lb.
The DCU2065URM is UL Listed and housed in a NEMA 3R enclosure, providing a proven level of electrical safety and weather protection for outdoor solar installations.
As a non-fusible, ungrounded DC disconnect, it enables safe, clearly isolated depressurization points for maintenance, reducing arc-flash risk and streamlining inspections under standard solar safety practices.
Refer to Eaton’s specification sheet for DCU2065URM and Selling Policy 25-000 documents, accessible via the provided asset URLs in the product data, to confirm installation guidelines and warranty terms.