Eaton DH161NWK DC Disconnect - UL Listed, NEMA 4X
Part Number: DH161NWK
Quick Summary
Eaton DH161NWK DC disconnect safely isolates solar and DC circuits for reliable operation. Engineers often cope with corrosion, washdown risks, and outdoor installation challenges when selecting a disconnect. This unit features UL Listed protection, a NEMA 4X enclosure, and a 304 stainless steel body, delivering durable performance in harsh environments. By combining a fusible single-pole design with a 600 VDC rating and Class R compatibility, it simplifies compliance, reduces field wiring, and lowers maintenance costs. For solar and DC power systems, this disconnect provides consistent reliability, easier procurement, and long-term value in demanding industrial settings.
Product Information
Extended Description
DH161NWK Eaton: Eaton DC disconnect, 30 A, NEMA 4X, 304 stainless steel, Class R, Fusible with neutral, Single-pole, Two-wire, Solar disconnect switch, 600 V, #14-#2 Cu/Al
Product Name
Eaton DC disconnect
Catalog Number
DH161NWK
UPC
786685375939
Product Length/Depth
10.22 in
Product Height
19.08 in
Product Width
7.73 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 Listed
Type
DC disconnect/grounded system
Amperage Rating
30A
Number of circuits
1
Protection
Fusible
Voltage rating
600 VDC
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Protection
Fusible
DC disconnects for 600VDC solar photovoltaic installations (single circuit)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
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Double Up on Safety
Eaton Specification Sheet - DH161NWK
Feature → Business Impact → Application: The DH161NWK offers a 30A, single-pole, fusible disconnect with neutral for straightforward protection of 600 VDC circuits. This translates to safer maintenance, clearer fault indication, and reduced arc-flash risk in solar arrays or industrial DC networks. Application: ideal for stand-alone solar disconnects and DC sub-feeders where rapid de-energization is required and code-compliant isolation is essential. Feature → Durability → Application: A 304 stainless steel enclosure rated for NEMA 4X. Benefit: superior corrosion and washdown resistance, enabling outdoor installations in challenging environments such as outdoor PV canopies and harsh industrial plants. Application: outdoor solar installations, coastal facilities, and factories with heavy dust or moisture. Feature → Certification & Safety → Application: UL Listed status confirms standards compliance, while fusible protection supports predictable fault clearing. Benefit: smoother procurement, faster safety approvals, and reduced downtime in critical power trains. Application: data centers, manufacturing lines, and utility-scale solar stations requiring dependable DC protection. Feature → Wiring & Compatibility → Application: One circuit, two-wire configuration with neutral, supports #14-#2 Cu/Al conductors. Benefit: simplified wiring, faster commissioning, and compatibility with common solar and industrial DC components. Application: small to mid-size solar projects and DC distribution panels. Feature → Physical footprint & serviceability → Application: Dimensions 10.22 in L × 7.73 in W × 19.08 in H, weight 21 lb. Benefit: compact integration in tight spaces with manageable weight for installer handling and mounting. Application: rooftop or ground-mounted PV array disconnect enclosures. Feature → Warranty & support → Application: Eaton’s standard warranty provides coverage from installation or shipment as specified. Benefit: lower risk for long-term operations and easier parts/service planning. Application: capital projects and facility upgrades seeking predictable maintenance costs.
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FAQs
The DH161NWK supports a single-pole, two-wire configuration with a neutral, rated to 30A and 600 VDC. It accommodates conductors ranging from #14 to #2 for copper or aluminum, enabling straightforward integration into solar or industrial DC distributions and simplifying panel layouts.
Yes. The DH161NWK is designed as a solar disconnect switch with fusible protection, 600 VDC rating, and a NEMA 4X stainless enclosure. UL Listed, it withstands outdoor exposure and simplifies code-compliant isolation for photovoltaic systems and other DC solar circuits.
Key certifications and ratings include UL Listed protection and a NEMA 4X enclosure. The enclosure is constructed from 304 stainless steel, delivering corrosion resistance and suitability for washdown areas, outdoor installations, and demanding industrial environments.
The unit measures 10.22 inches in length, 7.73 inches in width, and 19.08 inches in height, weighing 21 pounds. These dimensions support straightforward mounting in standard electrical enclosures or on service panels, with consideration for clearance around the front disconnect handle and wiring space.
Eaton provides a warranty per policy 25-000, offering one year from the date of installation or eighteen months from shipment, whichever occurs first. This helps manage maintenance planning, supports ROI calculations, and reduces long-term ownership risk for critical DC protection.