Eaton DH166URKN DC Disconnect - UL Listed
Part Number: DH166URKN
Quick Summary
The Eaton DH166URKN DC disconnect is a robust solution for safe, fast isolation of 600 VDC power in industrial and solar installations. This one-wire, single-pole device handles 600 A of non-fusible protection in a weather-resistant NEMA 3R enclosure, with factory-installed neutral assemblies for seamless integration. A common challenge is sourcing a reliable disconnect that withstands outdoor conditions and simplifies wiring; this unit addresses that with rugged painted galvanized steel and a straightforward single-throw operation. With UL Listed certification and a robust enclosure, it meets safety and compliance expectations while delivering long service life. For procurement, its compatibility with 600 VDC systems and Class R fuses options supports streamlined stocking and maintenance workflows.
Product Information
Extended Description
DH166URKN Eaton: Eaton DC disconnect, Single-throw, 600 A, NEMA 3R, Painted galvanized steel, Class R fuses, Non-Fusible, Single-pole, One-wire
Product Name
Eaton DC disconnect
Catalog Number
DH166URKN
UPC
786685384412
Product Length/Depth
14.07 in
Product Height
51.82 in
Product Width
25.12 in
Product Weight
135 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
Special features
Neutral assemblies factory installed
Type
Single-throw
Amperage Rating
600 A
Number of circuits
1
Protection
Non-fusible
Number of poles
Single-pole
Voltage rating
600 VDC
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse configuration
Non-fusible
Protection
Non-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 - DH166URKN
Feature → Business Impact → Application: 600 A amperage rating provides high-current isolation to support demanding DC circuits in industrial power distribution and battery storage, reducing the need for multiple devices and enabling safe maintenance windows in solar or manufacturing environments. Feature → Business Impact → Application: Single-pole, single-throw design simplifies operation and minimizes potential failure points, improving reliability in daily switchgear routines and during emergency isolation. Feature → Business Impact → Application: Non-fusible configuration lowers maintenance complexity and interference with fuse inventories, streamlining spare-part management for facilities with interconnected DC networks. Feature → Business Impact → Application: NEMA 3R enclosure delivers weather resistance for outdoor installations, enabling safe standalone DC disconnection in exposed locations such as rooftops or exterior switchgear rooms. Feature → Business Impact → Application: Painted galvanized steel enclosure and neutral assemblies factory installed shorten installation time, reduce field wiring errors, and accelerate commissioning in solar PV and industrial drive systems. Feature → Business Impact → Application: UL Listed certification and 600 VDC rating provide compliance and compatibility with safety standards, while offering peace of mind for auditors and procurement teams. Long-tail keywords incorporated include 600 A DC disconnect, 600 VDC protection, NEMA 3R enclosure, neutral assemblies factory installed, UL Listed DC disconnect, and outdoor solar PV isolation.
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FAQs
The unit is a heavy-duty 600 A, 600 VDC single-pole disconnect housed in a NEMA 3R painted galvanized steel enclosure, with neutral assemblies factory installed. Plan for outdoor mounting, appropriate clearance around the enclosure, and compatible mounting hardware. Ensure service access for maintenance and confirm that wiring follows the 600 VDC guidelines and local electrical codes.
Yes. The DH166URKN is rated for 600 VDC and designed for DC isolation in solar PV installations. Its non-fusible, single-pole configuration and factory-installed neutral assemblies simplify connection to solar arrays and inverters while meeting UL Listed safety requirements for outdoor DC protection.
This disconnect carries UL Listed certification, and it uses a NEMA 3R enclosure suitable for outdoor environments. The combination of UL listing and weather-resistant enclosure supports compliance with safety standards for indoor/outdoor DC distribution and ensures reliability in industrial and solar applications.
Warranty terms align with Eaton’s policy: one year from installation or eighteen months from shipment, whichever occurs first. This coverage helps protect against manufacturing defects and supports long-term maintenance planning for critical DC infrastructure.
The DH166URKN offers a non-fusible design, simplifying maintenance by eliminating fuse stock and fuse-change downtime. Its 600 A rating, single-pole operation, and factory-installed neutral assemblies speed up installation, while the rugged NEMA 3R enclosure and UL listing provide durable outdoor protection and regulatory compliance for outdoor DC power distribution.