Eaton DH165UWKN DC Disconnect - NEMA 4X, 600 VDC
Part Number: DH165UWKN
Quick Summary
Eaton DC disconnect DH165UWKN provides safe DC isolation for industrial power systems. Maintenance teams often struggle with slow, error-prone isolation during maintenance, especially in harsh environments; this unit addresses that with a rugged 304 stainless enclosure and factory-installed neutral assemblies. UL Listed and enclosed in a NEMA 4X housing, the product resists corrosion and wash-down exposure in demanding facilities. The 400 A, single-pole, non-fusible design reliably interrupts 600 VDC circuits in solar, energy storage, and industrial control panels. Coupled with straightforward installation and Eaton’s warranty, it supports safety, uptime, and long-term cost efficiency for industrial operations.
Product Information
Extended Description
DH165UWKN Eaton: Eaton DC disconnect, Single-throw, 400 A, NEMA 4X, 304 Stainless steel, Class R fuses, Non-Fusible, Single-pole, One-wire
Product Name
Eaton DC disconnect
Catalog Number
DH165UWKN
UPC
786685384443
Product Length/Depth
12.43 in
Product Height
57.47 in
Product Width
24.12 in
Product Weight
125 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
400 A
Number of circuits
1
Protection
Non-fusible
Number of poles
Single-pole
Voltage rating
600 VDC
Enclosure
NEMA 4X
Enclosure material
304 stainless 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 - DH165UWKN
Feature: Single-throw, 400 A, non-fusible DC disconnect. Business Impact: Delivers fast, reliable shutdown with minimal arc exposure, reducing maintenance risk and downtime. Application: Ideal for 600 VDC systems in solar PV installations and battery storage controllers. Feature: NEMA 4X enclosure in 304 stainless steel. Business Impact: Provides corrosion and wash-down resistance, lowering corrosion-related maintenance costs. Application: Outdoor and harsh indoor environments, including maritime and industrial facilities. Feature: UL Listed certification. Business Impact: Simplifies compliance and procurement, decreasing validation time during audits. Application: Electrical protection and control panels requiring recognized safety standards. Feature: Neutral assemblies factory installed. Business Impact: Reduces field wiring complexity and commissioning effort. Application: Ready-to-install configurations in new builds and retrofits. Feature: Visible footprint and weight of 125 lb. Business Impact: Ensures robust mechanical integrity and safe handling during installation. Application: Equipment rooms with fixed mounting requirements and service access needs. Feature: Warranty terms of 1 year from install or 18 months from shipment. Business Impact: Mitigates risk and supports total cost of ownership with covered defects. Application: Asset-intensive installations where uptime and support are critical.
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FAQs
The DH165UWKN is a single-pole, non-fusible DC disconnect rated for 400 A at 600 VDC, designed for straightforward integration into 600 VDC power paths. It features factory-installed neutral assemblies to simplify wiring, and its UL Listed status confirms compliance for industrial electrical installations. For proper connection, mount per the provided dimensions, route conductors to the line and load terminals, and follow local wiring codes for DC systems.
Key specs include amperage rating of 400 A, voltage rating of 600 VDC, single-pole single-throw configuration, and non-fusible protection. The enclosure is NEMA 4X and constructed from 304 stainless steel, ensuring durability in harsh environments. The product is UL Listed, which supports safety compliance and reliable operation in industrial settings such as solar PV installations and battery storage systems.
Yes. With a 600 VDC rating and non-fusible protection, the DH165UWKN is well-suited for DC isolation in solar PV installations and battery storage systems. Its neutral assemblies factory installed streamline deployment, and its NEMA 4X, stainless steel enclosure provides corrosion resistance in outdoor or wash-down environments common to renewable energy facilities.
The DH165UWKN carries UL Listed certification and is housed in a NEMA 4X enclosure. These certifications help streamline procurement by aligning with recognized safety standards and reliability expectations in industrial environments. While CE labeling is not specified, UL Listed status is a strong indicator of compliance with U.S. electrical safety requirements.
The product warranty is one year from date of installation or eighteen months from date of shipment, whichever occurs first. This policy provides coverage against manufacturing defects and supports maintenance planning. For ongoing reliability, ensure proper installation per Eaton guidelines and coordinate with Eaton support for any service or replacement parts needed during the warranty period.