Eaton DH324NWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH324NWK
Quick Summary
Eaton heavy duty fusible safety switch is designed to isolate power in industrial control systems. In facilities where downtime costs rise and corrosion threatens equipment life, this switch reduces risk with a rugged, corrosion-resistant 304 stainless steel enclosure. UL Listed and crafted to meet harsh-duty demands, it features a NEMA 4X enclosure and Class H fuse provision for robust protection in challenging environments. The three-pole, four-wire configuration with neutral supports reliable motor and load isolation at 240 V, up to 200 A. This combination delivers predictable performance, minimizes maintenance, and enhances safety in electrical protection programs across manufacturing, processing, and utility applications.
Product Information
Extended Description
DH324NWK Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 200 A, NEMA 4X, 304 stainless steel, Class H, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 15, 25/ 15, 60/ 40 hp (1,3PH @Std/TD/250 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH324NWK
UPC
782113206752
Product Length/Depth
11.63 in
Product Height
35.38 in
Product Width
15.5 in
Product Weight
61 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
200A
HP rating - max
15, 25/ 15, 60/ 40 hp (1,3PH @Std/TD/250 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH324NWK
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The 304 stainless steel, NEMA 4X enclosure delivers superior corrosion resistance, reducing maintenance costs and downtime in wash-down rooms, outdoor installations, and coastal facilities, which translates to longer service intervals and lower lifecycle costs. This enables reliable power isolation for food and beverage, water treatment, and chemical processing plants where cleanliness and protection against the elements are critical. Feature → Business Impact → Application: Fusible with neutral, Class H fuse provision and four-wire, three-pole design improve selectivity and protection for motors and drives, reducing nuisance trips and extending equipment life in packaged HVAC, extrusion lines, and conveyor systems. Feature → Business Impact → Application: 240 V and 200 A amperage rating with 1–3 phase HP compatibility (up to 60/40 HP at TD/250 Vdc) supports high-demand loads in stamping, metalworking, and plastics facilities, enabling compact but capable isolation. Feature → Business Impact → Application: UL Listed certification confirms compliance with electrical safety standards, while the rugged construct supports maintenance teams by simplifying inspections, warranty adherence, and service planning in OEM and end-user environments. Feature → Business Impact → Application: Inclusion of neutral and 4-wire configuration simplifies integration into existing control architectures, enabling straightforward retrofits or new builds in utility substations and process plants, and reducing engineering time at installation.
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FAQs
The DH324NWK is designed for industrial control panels, motor control centers, and outdoor installations requiring a corrosion-resistant, NEMA 4X enclosure. Its three-pole, four-wire configuration with neutral makes it suitable for 1–3 phase systems, including wash-down areas and harsh environments where reliability and protection are critical.
Key specs include a 200 A amperage rating, 240 V voltage rating, and NEMA 4X stainless enclosure. It uses Class H fuses and supports neutral with four-wire connections. HP ratings vary by configuration, up to 60/40 hp for 1/3 phase at 250 Vdc, making it suitable for a range of motors and feeders.
Yes, it is UL Listed, and the 304 stainless steel enclosure with a NEMA 4X rating provides corrosion resistance in wet, dusty, and wash-down environments. This makes it appropriate for food processing, water treatment, and outdoor installations where environmental exposure is a concern.
With a neutral, four-wire design and standardized enclosure, the DH324NWK simplifies wiring and compliance checks. Its rugged build and UL listing support regulatory adherence, warranties, and reduced risk during audits, while its compact footprint aids in straightforward retrofits and new installations.
Benefits include reduced maintenance downtime due to rugged corrosion resistance, fewer nuisance trips from improved protection coordination, and longer motor life from proper fusing and isolation. The 61 lb, 11.63 in depth footprint also helps with space planning and installation efficiency, contributing to lower total cost of ownership.