Eaton DH163NRK DC Disconnect - 600VDC, UL Listed
Part Number: DH163NRK
Quick Summary
Eaton DC disconnect is a protective switch designed for safe isolations in solar and other high-voltage DC systems. Engineers often wrestle with selecting equipment that withstands harsh outdoor environments, delivers clear fault isolation, and keeps installation schedules on track. This model is UL Listed and housed in a NEMA 3R painted galvanized steel enclosure, Class R fusible with neutral, rated for 600 VDC, making it ideal for outdoor solar PV and DC distribution. As a fusible, single-pole DC disconnect with neutral, it simplifies protection schemes, reduces wiring complexity, and supports compliant, reliable solar installations. Additionally, its compact footprint and straightforward mounting support fast deployment across multiple sites, lowering total cost of ownership.
Product Information
Extended Description
DH163NRK Eaton: Eaton DC disconnect, 100 A, NEMA 3R, Painted galvanized steel, Class R, Fusible with neutral, Single-pole, Two-wire, Solar disconnect switch, 600 V, #14-#1/0 Cu/Al
Product Name
Eaton DC disconnect
Catalog Number
DH163NRK
UPC
786685375878
Product Length/Depth
9.89 in
Product Height
21.99 in
Product Width
10.78 in
Product Weight
22 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/grounded system
Amperage Rating
100A
Number of circuits
1
Protection
Fusible
Voltage rating
600 VDC
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Protection
Fusible
DC disconnects for 600VDC solar photovoltaic installations (single circuit)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DH163NRK
Feature: 100 A amperage rating with a single circuit provides robust protection for a DC distribution path. Business Impact: Minimizes voltage drop and reduces arc exposure during isolation, delivering predictable shutdown in solar or battery storage setups. Application: Ideal for DC string protection and quick maintenance in PV installations. Feature: NEMA 3R painted galvanized steel enclosure protects against rain, dust, and sun. Business Impact: Extends service life in outdoor environments, reducing weather-related downtime and maintenance. Application: Outdoor rooftop or ground-mounted installations where environmental exposure is a concern. Feature: Class R fusible protection with neutral and a 600 VDC rating. Business Impact: Delivers selective protection for DC circuits while accommodating copper and aluminum conductors (#14–#1/0). Application: Safe isolation and short-circuit protection in solar arrays and DC distribution networks. Feature: Single-pole, two-wire design with simple wiring. Business Impact: Speeds installation, lowers wiring complexity, and simplifies retrofit projects. Application: Compact DC disconnects integrated into existing switchgear and cabinet layouts. Feature: UL Listed certification and Eaton warranty. Business Impact: Ensures code compliance, reduces risk during inspections, and lowers total cost of ownership over the product lifecycle. Application: Procurement for regulated projects and long-term maintenance planning. Feature: Dimensions and weight support planning and compatibility. Business Impact: Helps with enclosure sizing, mounting, and site layout decisions, enabling faster project scoping. Application: Retrofit and new-build installations with tight space constraints.
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FAQs
Plan for outdoor mounting on a compliant frame or cabinet, ensuring proper ventilation and drainage. Use the single-pole, fusible design with a neutral, and route conductors within the #14–#1/0 Cu/Al range per NEC guidelines for 600 VDC. Verify enclosure materials and fasteners are compatible with your environment, and apply correct torque on all terminals to maintain compliance and reliability.
The 100 A rating supports protection for typical PV string segments while handling anticipated short-circuit currents. The 600 VDC rating ensures safe isolation for outdoor solar installations, reducing arc energy during switching and enabling compliant disconnect operations in utility-scale or commercial PV systems.
DH163NRK is designed for DC isolation in high-voltage DC networks, including PV arrays and battery storage DC distribution. Its fusible, single-pole design with neutral supports protection strategies across solar plus storage configurations, enabling safe maintenance and reliable fault isolation in combined systems.
The unit is UL Listed, and it uses a NEMA 3R outdoor enclosure, meeting outdoor weatherability requirements. These certifications support utility, commercial, and industrial installations by simplifying inspections and ensuring compliance with relevant electrical codes for outdoor 600 VDC DC-disconnect applications.
UL Listing and Class R fusible protection reduce risk of fault propagation and simplify preventive maintenance by providing predictable protective characteristics. The rugged outdoor enclosure lowers corrosion-related downtime, while straightforward installation minimizes labor costs. Over the lifecycle, these factors contribute to faster project delivery and improved total cost of ownership.