Eaton DH166UDKN DC Disconnect - 600 A, NEMA 12, UL Listed
Part Number: DH166UDKN
Quick Summary
The Eaton DH166UDKN DC disconnect provides reliable 600 A DC protection for industrial power distribution. Engineers often struggle with space, enclosure integrity, and fuse management in high-current DC lines. UL Listed certification anchors safety and compliance, while the NEMA 12 enclosure and painted galvanized steel construction withstand dusty, damp environments. With neutral assemblies factory installed, this unit enables rapid installation and reduced field wiring, supporting uptime and lower total cost of ownership. Designed for fast commissioning and reliable maintenance in solar, data-center, or general DC power distribution, it supports ongoing uptime.
Product Information
Extended Description
DH166UDKN Eaton: Eaton DC disconnect, Single-throw, 600 A, NEMA 12, Painted galvanized steel, Class R fuses, Non-Fusible, Single-pole, One-wire
Product Name
Eaton DC disconnect
Catalog Number
DH166UDKN
UPC
786685384436
Product Length/Depth
12.79 in
Product Height
62.97 in
Product Width
25.1 in
Product Weight
140 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 12
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
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH166UDKN
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 600 A, single-pole, non-fusible, single-throw DC disconnect. This topology reduces wiring complexity and minimizes panel depth, accelerating wiring in high-current DC circuits. Application: solar PV DC strings, battery storage, and industrial drives where space is at a premium and reliability matters for uptime. This design also minimizes heat buildup in cabinets by reducing current paths, enabling faster commissioning and lowering total cost of ownership. The result is reduced installation labor and more predictable performance in mission-critical DC circuits. Feature: NEMA 12 enclosure with painted galvanized steel. Business impact: robust protection against dust and moisture extends service intervals and reduces maintenance costs. Application: harsh factory floors and indoor spaces where enclosure integrity is essential. The rugged finish resists corrosion and scuffs, improving longevity in demanding environments. Feature: UL Listed certification ensures safety and traceability across electrical assemblies. Impact: simplifies compliance during inspections and supports qualified panel design for OEMs and integrators. Application: control cabinets in manufacturing, utilities, data centers, and renewable-energy installations. Certification also accelerates procurement by reducing the need for separate safety approvals. Feature: Neutral assemblies factory installed. Impact: faster installation, fewer field-wiring errors, and cleaner, more reliable bus connections. Application: panel builds, system retrofits, and modular DC distribution in industrial environments. This helps standardize builds across multiple SKUs and reduces commissioning risk. Feature: Non-fusible by default yet compatible with downstream Class R fuses for future protection. Impact: flexible protection strategy, easier upgrades, and spare-part compatibility across generations. Application: retrofit projects and scalable DC protection schemes in manufacturing and energy storage. The combination of non-fusible design with downstream protection simplifies maintenance and minimizes downtime during fuse changes. Warranty and service support: Eaton’s Selling Policy 25-000 provides a defined coverage window. One year from installation or eighteen months from shipment, whichever occurs first, delivering predictable support for capital investments and ROI planning.
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FAQs
Install the DH166UDKN in a suitable control cabinet as a single-pole, 600 A, 600 VDC device. The unit ships with neutral assemblies factory installed to simplify bus connections, and it uses a non-fusible, single-throw configuration. Mount per enclosure standards, connect neutral and main conductors, and verify the NEMA 12 protection.
Key specs include 600 A amperage rating, 600 VDC voltage rating, single-pole, non-fusible, single-throw configuration, 1 circuit, NEMA 12 enclosure, painted galvanized steel, and a weight of 140 lb. Product length is 12.79 in, width 25.1 in, height 62.97 in, with UL Listed certification.
Yes. The DH166UDKN is designed for high-current DC distribution, including solar PV installations, battery storage systems, and industrial drives. Its 600 A, 600 VDC rating, UL Listed status, and factory-installed neutral assemblies streamline integration, compliance, and commissioning in renewable-energy and energy-management projects.
The DH166UDKN carries UL Listed certification, ensuring safety and compliance for electrical assemblies. The product is housed in a NEMA 12 enclosure with a painted galvanized steel body, suitable for dust and moisture resistance in demanding environments, which supports regulatory approvals for control panels.
Warranty details follow Eaton Selling Policy 25-000: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. This provides a defined service window to plan maintenance, replacements, and ROI for capital equipment.