Eaton DCU2065UWM disconnect - 600 VDC, NEMA 4X
Part Number: DCU2065UWM
Quick Summary
Eaton DCU2065UWM disconnect provides reliable DC isolation for solar PV installations. Too often, outdoor DC enclosures suffer from corrosion, space constraints, or unsafe ungrounded configurations. UL Listed, NEMA 4X enclosure, and 304 stainless steel construction provide corrosion resistance and reliable outdoor performance. This heavy-duty DC disconnect helps ensure safe, code-compliant isolation in photovoltaic systems, delivering robust protection for both equipment and personnel while reducing maintenance overhead. With compatibility for 600 VDC per pole and a two-circuit design, it supports scalable solar installations and simplifies procurement for integrators and end users.
Product Information
Extended Description
DCU2065UWM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,400A,NEMA 4X,Grade 304 stainless steel,Non-fusible,Ungrounded,600 Vdc,2,DC Photovoltaic Applications
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU2065UWM
UPC
786685865935
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 4X
Protection
Non-fusible
Application
Solar
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
Switch type
Heavy duty
Protection
Non-fusible
Feature: 400 A amperage rating with two circuits; Benefit: handles high-current PV strings and minimizes fuse replacements, reducing downtime and maintenance costs; Application: ideal for 600 VDC per pole solar installations where reliability matters. Feature: NEMA 4X enclosure in 304 stainless steel; Benefit: weatherproof, corrosion-resistant housing that withstands outdoor environments; Application: outdoor solar PV sites with harsh operating conditions. Feature: Non-fusible, ungroounded system; Benefit: simplifies isolation procedures and reduces fault pathways, improving safety and compliance; Application: ungrounded DC systems in PV arrays. Feature: UL Listed with robust protection; Benefit: aligns with electrical codes and streamlines procurement for industrial facilities; Application: industrial and commercial rooftop and ground-mounted solar projects. Feature: Heavy-duty switch design; Benefit: longer service life in frequent on-off cycling, lower replacement costs; Application: demanding industrial solar installations with frequent maintenance cycles. Feature: 12.42 in depth, 57.47 in height, 24.12 in width and 115 lb weight; Benefit: clear footprint planning and stable mounting for outdoor enclosures; Application: field installations requiring precise enclosure dimensions and robust mounting.
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FAQs
The DCU2065UWM is designed for 600 VDC per pole and supports two circuits in a non-fusible, ungounded configuration, making it compatible with common utility-scale and commercial PV arrays. For a retrofit, verify enclosure mounting dimensions (12.42 in D x 57.47 in H x 24.12 in W) and weight (115 lb) to ensure fit within existing racking and service clearances.
This model is UL Listed and housed in a NEMA 4X enclosure constructed from 304 stainless steel, offering superior outdoor corrosion resistance and weatherproofing. These certifications and ratings support compliance with industry codes for outdoor solar installations and harsh environments.
The unit is rated for 400 A with 2 circuits and is an ungrouned, non-fusible DC disconnect. This configuration provides a simple, safe isolation point for PV strings while reducing complexity in fault isolation and maintenance planning for ungrounded DC systems.
Yes. The NEMA 4X enclosure and 304 stainless steel construction are specifically chosen for outdoor use, providing weatherproof protection against moisture, dust, and corrosive environments. Its rugged build supports long service life with minimal maintenance in rooftop or ground-mounted PV deployments.
The non-fusible, ungrounded design reduces routine fuse replacements and simplifies safety procedures, lowering maintenance labor costs. With UL listing and a durable stainless-steel enclosure, long-term reliability minimizes downtime and extends intervals between service events, delivering predictable total cost of ownership in industrial solar projects.