Eaton DCU1062UWM DC disconnect - UL 98B/NEC 690 per UL 1741
Part Number: DCU1062UWM
Quick Summary
Eaton DCU1062UWM DC disconnect provides a heavy-duty, ungrounded DC disconnect for solar PV applications. Engineers often struggle with rugged outdoor gear that resists corrosion while delivering safe isolation. Certifications UL 98B and NEC 690 per UL 1741, along with a NEMA 4X, 304 stainless steel enclosure, ensure both compliance and durability in harsh environments. The unit supports 60 A in a single-circuit, 600 VDC system, simplifying wiring and field maintenance while delivering reliable performance. By combining rugged construction with clear regulatory alignment, this DC disconnect helps solar projects meet safety standards, reduce downtime, and streamline installation and inspection workflows, ultimately supporting both rooftop and ground-mount deployments.
Product Information
Extended Description
DCU1062UWM Eaton: Eaton heavy duty DC disconnect,DC disconnect/ungrounded system,60A,NEMA 4X,Grade 304 stainless steel,Non-fusible,Ungrounded,#14-#2 AWG lug capacity, #14-1/0 AWG solid return,600 Vdc,1,DC Photovoltaic Applications
Product Name
Eaton heavy duty DC disconnect
Catalog Number
DCU1062UWM
UPC
786685557076
Product Length/Depth
10.22 in
Product Height
19.08 in
Product Width
8.76 in
Product Weight
21 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
60 A
Number of circuits
1
Ground
Ungrounded
Maximum voltage
600 VDC
NEMA rating
NEMA 4X
Protection
Fusible
Application
Solar
Main lug wire size
#14-#2 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 4X
Enclosure material
304 stainless steel
Fuse configuration
Non-fusible
Switch type
Heavy duty
Protection
Fusible
Feature: Heavy-duty DC disconnect for an ungrounded system. Business Impact: Delivers safe, reliable isolation in demanding outdoor PV environments, reducing risk during maintenance and service. Application: Solar PV installations on rooftops or ground mounts. Feature: 304 stainless steel NEMA 4X enclosure. Business Impact: Provides corrosion resistance and weatherproof protection, extending service life and lowering enclosure maintenance. Application: Outdoor solar arrays in harsh climates. Feature: 60 A, 1 circuit, 600 VDC rating. Business Impact: Supports standard utility-scale PV strings with robust voltage handling and simplified wiring. Application: Small to mid-size solar projects requiring dependable DC switching. Feature: Lug capacity for #14-#2 AWG and solid return up to #14-1/0 AWG. Business Impact: Flexible terminations reduce field labor and enable easier debugging. Application: Field terminations and service upgrades. Feature: Certifications UL 98B and NEC 690 per UL 1741. Business Impact: Ensures regulatory compliance and safer installations, easing audits and commissioning. Application: PV system electrical compliance and safety validations. Feature: Non-fusible main configuration with Fusible protection noted for design flexibility. Business Impact: Enables tailored protection strategies and simplified integration with downstream protection schemes. Application: Custom PV protection architectures and controller interfaces. Feature: Warranty reference and installation considerations. Business Impact: Provides assurance and clear service expectations, reducing long-term maintenance risk. Application: Long-term asset management for commercial PV deployments.
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FAQs
The DCU1062UWM uses a NEMA 4X stainless steel enclosure (304 stainless) designed for outdoor exposure. For mounting, follow standard outdoor electrical enclosure practices: secure mounting to a stable surface, provide adequate clearance for cooling and wiring, and protect terminations from direct water intrusion. Plan conduit entries to minimize exposure to weather and ensure proper seal integrity. This configuration supports rooftop and ground-mounted PV applications where weather resistance and safe access for maintenance are essential.
DCU1062UWM is rated at 60 A, 600 VDC per pole and configured as a single circuit, ungrounded DC disconnect. Main lug capacity supports #14-#2 AWG with a solid return up to #14-1/0 AWG. This wiring flexibility simplifies field terminations and allows efficient integration with common PV conductors while maintaining a robust disconnect capability in solar installations.
Yes. The DCU1062UWM is listed with UL 98B and NEC 690 per UL 1741, ensuring compliance with critical solar safety standards. This certification supports safe operation of DC isolation devices in PV systems, assists with regulatory audits, and provides assurance to project stakeholders that the equipment meets recognized safety requirements.
This unit is well-suited for rooftop and ground-mounted solar installations requiring reliable, ungrounded DC isolation. Its 60 A, 600 VDC rating and NEMA 4X enclosure make it ideal for outdoor PV strings, combiner points, and service access areas where rugged construction, corrosion resistance, and straightforward wiring are valuable. The product also supports straightforward compliance reporting for PV deployments.
The DCU1062UWM carries Eaton’s warranty policy (25-000), offering one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, inspect the enclosure for corrosion or sealing integrity, verify connections and lug terminations, and confirm that the device remains within its voltage and current ratings. Routine inspection helps sustain performance and safety over the system's life.