Eaton DH363FWKW Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH363FWKW
Quick Summary
The Eaton DH363FWKW is a heavy duty fusible safety switch for reliable control in industrial power systems. Designed to minimize installation and maintenance pain, it delivers rugged protection in challenging environments with corrosion-resistant construction. UL Listed and configured for NEMA 4X stainless enclosures, it is well suited for service entrances and harsh factory floors. With a three-pole, three-wire design and cube fuse provisions, it integrates smoothly into protective schemes while supporting efficiency, safety, and lifecycle cost savings across manufacturing, water treatment, and process facilities.
Product Information
Extended Description
DH363FWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, enhanced visible blades, provisions for cube fuses, 100 A, NEMA 4X, Three-pole, Three-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
DH363FWKW
UPC
786679160985
Product Length/Depth
25 in
Product Height
9 in
Product Width
11.5 in
Product Weight
29 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
Catalog Notes
Suitable for service entrance use with a neutral or ground lug kit installed
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
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 without neutral
Enclosure and corrosion resistance: The DH363FWKW uses a NEMA 4X stainless steel enclosure (304 stainless) to resist corrosion in outdoor, washdown, or industrial environments, reducing maintenance costs and downtime. Business impact: longer service life in challenging sites and lower total cost of ownership. Application: outdoor equipment, chemical processing, and facilities with frequent exposure to moisture. Fuse class provision and configuration: With Class H fuse provisions and fusible without neutral configuration, the switch enables selective protection and fast disconnection. Application: motor loads and critical feeders where precise coordination improves safety and outage management. Business impact: improved safety margins and reduced risk of collateral damage. Electrical ratings and motor protection: Rated 100 A and 600 V with HP ratings up to 75 hp for 1/3PH at 480–600 V, supporting a variety of motor control applications. Business impact: streamlined protection for typical industrial drives and pumps, reducing spare parts and downtime. Installation compatibility: Provisions for cube fuses and compatibility with neutral/ground lug kits simplify service entrance use and field adjustments. Application: retrofit projects and new builds where flexible protection configurations are required. Business impact: faster commissioning and reduced installation errors. Certifications and warranty: UL Listed with a one-year warranty (or 18 months from shipment per policy). Application: compliance-driven projects and long-term asset management. Business impact: predictable support and risk mitigation for capital projects.
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FAQs
The DH363FWKW is designed as a three-pole, three-wire device with fusible without neutral configuration and Class H fuse provisions. It also accommodates a neutral/ground lug kit for service entrance use, enabling flexible field configurations and safer fault clearing.
Yes. It uses a NEMA 4X enclosure with 304 stainless steel, providing excellent corrosion resistance for outdoor installations, washdown areas, and harsh industrial environments while maintaining enclosure integrity.
The switch supports up to 100 A, 600 V, with HP ratings of 30, 40/60, and 75 hp for 1/3PH at 480–600 V. This makes it suitable for protecting a wide range of motors and associated drives in industrial settings.
The device is UL Listed and carries Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This supports regulatory compliance and asset protection during operation.
Key factors include cube fuse provisions, compatibility with neutral/ground lug kits for service entrances, and a durable stainless enclosure. These features enable easier field upgrades, reduce maintenance, and improve reliability in hard-wearing industrial environments.