Eaton DH363NWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH363NWK
Quick Summary
The Eaton DH363NWK Heavy Duty Fusible Safety Switch is a rugged, front-access device designed for safe motor control in demanding industrial environments. Maintenance teams frequently battle downtime caused by undersized or unreliable switches, and this unit’s robust NEMA 4X stainless enclosure with a fusible neutral design helps minimize unplanned outages. It carries UL Listed certification, a corrosion-resistant 304 stainless steel enclosure, and a Class H fuse configuration, aligning with stringent safety and performance standards for 600 V systems. Built for scalability, it also supports a range of horsepower and wiring configurations, making it a dependable addition to electrical protection and circuit control portfolios while improving overall plant reliability and safety.
Product Information
Extended Description
DH363NWK Eaton: Eaton Enhanced visible blade single-throw safety switch, 100 A, NEMA 4X, 304 stainless steel, Class H, Fusible with neutral, Three-pole, Four-wire, 600 V, Max Hp: 30, 40/ 60, 75 hp (1/3PH @480, 600 V), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH363NWK
UPC
782113206608
Product Length/Depth
10.22 in
Product Height
24.95 in
Product Width
10.76 in
Product Weight
30 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
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
100A
HP rating - max
30, 40/ 60, 75 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH363NWK
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: 100A amperage rating with three-pole, four-wire configuration provides reliable overload protection while enabling precise control of equipment within 600 V systems, reducing fault energy and downtime. This aligns with inline electrical protection and circuit control strategies for conveyors, pumps, and heavy machinery, delivering measurable efficiency gains. Feature → Business Impact → Application: Fusible with neutral and Class H fuse construction supports selective switching and safer disconnection of circuits, enhancing maintenance safety and simplifying fault isolation in demanding environments such as outdoor or washdown areas. Feature → Business Impact → Application: 304 stainless steel enclosure with NEMA 4X rating delivers corrosion resistance, enabling outdoor installation and washdown compatibility without compromising safety or compliance. Feature → Business Impact → Application: 100 A to 75 hp (1/3PH @480–600 V) HP rating range supports scalable protection for evolving manufacturing lines, enabling easier lifecycle planning and reduced total cost of ownership. Feature → Business Impact → Application: Front-access design and UL Listed status streamline installation, serviceability, and regulatory compliance, reducing maintenance time and facilitating safer, faster routine checks in electrical protection & circuit control applications. Feature → Business Impact → Application: Industrial-grade performance in 600 V systems, with compatibility for copper/aluminum conductors (#14–#1/0), supports flexible panel design and easy integration into existing control architectures, mitigating conduit and cabling complexity during upgrades.
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FAQs
Yes. The DH363NWK is specified for 600 V systems and configured as a three-pole, four-wire device with fusible protection and neutral. Its NEMA 4X enclosure and 304 stainless steel construction support outdoor or washdown environments, simplifying panel design and mounting in industrial facilities.
The unit provides 100A amperage with three poles and four wires, and supports HP ratings up to 30, 40/60, and 75 hp (1/3PH @480, 600 V). It uses a fusible with neutral configuration with Class H fuses, enabling safe disconnection and reliable motor protection in demanding processes.
Industries with harsh environments such as manufacturing, mining, water treatment, and chemical processing benefit most. It protects pumps, conveyors, and large motors, offering corrosion resistance, outdoor capability, and robust electrical protection that reduces downtime and improves overall equipment reliability.
This safety switch is UL Listed and features a NEMA 4X-rated enclosure. The combination of UL listing and stainless steel construction ensures compliance with safety and environmental requirements for harsh industrial applications.
Eaton provides a one-year warranty from installation or eighteen months from shipment under Selling Policy 25-000. This, coupled with robust materials and front-access service, reduces maintenance time, minimizes downtime, and supports long-term return on investment in safety-critical protection gear.