Eaton DCU3063URM DC Disconnect - NEMA 3R, 600 VDC UL 98B
Part Number: DCU3063URM
Quick Summary
Eaton DCU3063URM DC disconnect provides rugged ungrounded isolation for solar PV applications. This heavy-duty unit addresses the challenge of finding a non-fusible, code-compliant disconnect that withstands outdoor environments while delivering reliable performance. It carries UL 98B and NEC 690 compliance per UL 1741, with a NEMA 3R enclosure for weather resistance. Designed for 100 A, 3 circuits and 600 VDC per pole, it supports safe, scalable solar installations. For engineers and procurement teams, this solution combines robust construction with installation efficiency and long-term lifecycle value in DC photovoltaic applications.
Product Information
Extended Description
DCU3063URM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,100A,NEMA 3R,Painted galvanized steel,Non-fusible,Ungrounded,#14-1/0 AWG lug capacity, #14-1/0 AWG solid return,600 Vdc,3,DC Photovoltaic Applications
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU3063URM
UPC
786685557441
Product Length/Depth
10.22 in
Product Height
24.95 in
Product Width
16.13 in
Product Weight
37 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
Catalog Notes
Not all configurations for ampere rating and number of circuits are available. All circuit configurations can be found in the product dimension tables.
Type
DC disconnect/ungrounded system
Amperage Rating
100A
Number of circuits
3
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 3R
Protection
Non-fusible
Application
Solar
Main lug wire size
#14-1/0 AWG lug capacity, #14-1/0 AWG solid return
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
Feature → Business Impact → Application: Heavy-duty DC disconnect construction provides durable, reliable isolation in harsh outdoor conditions, reducing risk of arc flash and downtime in solar arrays. This translates to safer maintenance windows and lower incident costs for utility-scale and rooftop PV projects. Feature → Application: Ungrounded, non-fusible design aligns with solar PV topologies, simplifying interconnection schemes and improving system safety in ungrounded configurations common in PV strings. Feature → Business Impact → Application: NEMA 3R painted galvanized steel enclosure delivers weather resistance and corrosion protection, enabling dependable operation in outdoor installations without frequent enclosure repairs. Feature → Application: 100 A, 3 circuits with #14-1/0 AWG lug capacity supports dense, multi-string PV arrays while maintaining manageable wiring termination; installers gain consistency and reduced rework. Feature → Business Impact → Application: 600 VDC rating per pole and UL 98B/UL 1741 NEC 690 alignment ensure code compliance, smoother approvals, and faster project commissioning for both commercial and utility-scale solar deployments. Feature → Application: 10.22 in depth, 16.13 in width, 24.95 in height with 37 lb weight inform mechanical planning and enclosure footprint during equipment layouts, improving site ergonomics and crew productivity.
Get a Quick Quote for a Eaton DCU3063URM
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton DCU3063URM?
Enquire Now
FAQs
For outdoor PV deployments, mount the DCU3063URM on a solid, level surface within the NEMA 3R enclosure. Account for its 24.95 in height, 16.13 in width, and 10.22 in depth, ensuring adequate clearance for wiring and maintenance access. Use proper lug terminations and follow NEC guidelines for ungrounded DC systems to maintain safe operation.
Yes. The DCU3063URM is specifically aligned with DC Photovoltaic Applications as a 3-circuit, 100A non-fusible disconnect rated for up to 600 VDC per pole. Its ungrounded configuration and NEMA 3R enclosure are designed to withstand outdoor PV installations while meeting applicable UL/NEC requirements.
This unit is certified for UL 98B and NEC 690 per UL 1741, confirming its suitability for solar DC applications. It also features a NEMA 3R enclosure rating, providing weather resistance for outdoor service. These certifications support code compliance and safer, code-aligned PV system integration.
The main lug capacity supports #14-1/0 AWG conductors for both lugs and solid returns. This enables flexible string interconnections within the 100A, 3-circuit framework. Ensure proper torque and insulation per Eaton installation instructions to maintain reliability and electrical safety.
By combining rugged outdoor enclosure, non-fusible safety isolation, and UL/NEC-compliant design, the DCU3063URM reduces field failures, minimizes maintenance costs, and accelerates commissioning. Its durable galvanized steel enclosure and standardized LEM terminals lower installation time, while its compatibility with PV strings supports scalable, long-term solar projects.