Eaton DH163NWK DC disconnect - UL Listed
Part Number: DH163NWK
Quick Summary
Eaton DC disconnect DH163NWK provides safe, fuse-protected switching for high-current DC solar and industrial circuits. Operators often struggle with reliable isolation, slow fault restoration, and corrosion-prone enclosures in harsh environments. UL Listed safety certification and a rugged NEMA 4X enclosure protect critical power paths while standing up to washdown and corrosive settings. The unit is designed for 600 VDC systems and a single 100 A circuit, delivering dependable isolation with compact, sanitary construction. By combining robust protection with straightforward installation, it supports preventive maintenance programs and long-term uptime, while enabling easy integration with solar disconnects and other DC power control devices in mixed electrical rooms.
Product Information
Extended Description
DH163NWK Eaton: Eaton DC disconnect, 200 A, NEMA 12, Painted galvanized steel, Class R, Fusible with neutral, Single-pole, Two-wire, Solar disconnect switch, 600 V, #6-300 kcmil Cu/Al
Product Name
Eaton DC disconnect
Catalog Number
DH163NWK
UPC
786685375953
Product Length/Depth
37.5 in
Product Height
24.95 in
Product Width
19 in
Product Weight
55 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 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
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH163NWK
Feature: 100 A amperage rating with a single-pole, fusible design and neutral connection. Business Impact: Delivers clean, defined isolation with minimal contact resistance, reducing arc flash risk and enabling predictable shutdown sequences. Application: Ideal for solar DC disconnects and industrial power paths where fast, reliable de-energization is required. Feature: NEMA 4X enclosure and 304 stainless steel construction. Business Impact: Provides superior corrosion resistance and washdown durability, lowering maintenance costs in outdoor or harsh environments. Application: Outdoor substations, rooftop PV installations, and corrosive industrial settings. Feature: 600 VDC voltage rating and fusible protection. Business Impact: Compatibility with high-voltage DC systems ensures compliance with safety standards while protecting downstream equipment. Application: Solar arrays, battery storage integration, and DC power control panels. Feature: UL Listed certification and compact footprint. Business Impact: Facilitates compliance audits and reduces space requirements in crowded electrical rooms. Application: Retrofit projects and new builds where safety certifications and space efficiency are priorities. Feature: Enclosure size and weight (37.5 in length, 24.95 in height, 19 in width, 55 lb). Business Impact: Predictable installation footprint simplifies mounting and minimizes structural changes. Application: Cabinets, wall-mounted or floor-standing layouts in industrial facilities.
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FAQs
The DH163NWK supports a 600 VDC system with a single 100 A circuit, fusible protection, and a neutral. It is UL Listed and designed for DC isolation in solar PV installations and industrial power paths, ensuring safe de-energization and straightforward integration with existing disconnects and switchgear.
Installations benefit from the NEMA 4X enclosure and 304 stainless steel construction, which resist corrosion and provide washdown durability. Mounting should consider a stable support structure for the 37.5 in length and 55 lb weight, with proper clearance for wiring and servicing. Ensure ingress protection and grounding per local codes.
Yes. The unit is designed as a DC disconnect with fusible protection, a common requirement for solar PV installations. Its 600 VDC rating, single-pole design, and compatible neutral wiring support safe isolation of solar DC circuits while meeting safety certifications and installation best practices.
The DH163NWK carries UL Listed safety certification and a NEMA 4X enclosure rating, with 304 stainless steel construction for corrosion resistance. These attributes support compliant operation in harsh environments and provide reliability for industrial DC power paths and solar disconnect applications.
The fusible, single-pole design simplifies maintenance and fault isolation, reducing downtime during servicing. The rugged enclosure and UL Listed status minimize auditing or compliance risks, while the durable materials lower lifecycle costs in demanding environments. Its straightforward integration with DC power control devices supports long-term uptime and predictable operation.