Eaton DH324NWKW Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH324NWKW
Quick Summary
Eaton heavy duty fusible safety switch isolates power in industrial equipment and control panels. In harsh environments, corrosion and hard-to-service enclosures slow maintenance and drive downtime. UL Listed and NEMA 4X stainless steel construction provide reliable protection, while the 304 stainless enclosure resists washdown and outdoor exposure. Class H fuse provision and neutral wiring enhance safety and power availability. This switch is engineered for three-pole, four-wire configurations, delivering predictable performance in motor control centers and equipment rooms. By pairing rugged construction with straightforward installation, it supports faster commissioning, reduced maintenance costs, and improved uptime for industrial machinery—especially where reliability and code compliance matter.
Product Information
Extended Description
DH324NWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, enhanced visible blade, 200 A, NEMA 4X, 304 stainless steel, Class H, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 25, 60 hp (3PH @Std, TD), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH324NWKW
UPC
782114140734
Product Length/Depth
11.5 in
Product Height
34.38 in
Product Width
16 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
Catalog Notes
For 2-pole applications; use outside poles of 3-pole switch
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
25, 60 hp (3PH @Std, TD)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature → Business Impact → Application: The DH324NWKW uses a corrosion-resistant 304 stainless steel enclosure with a NEMA 4X rating, which reduces maintenance downtime in washdown and outdoor environments while increasing enclosure longevity. This leads to lower total cost of ownership for industrial facilities and ensures safer, longer-lasting power isolation in harsh plants. In practical terms, the fusible with neutral configuration supports reliable three-pole, four-wire connections, enabling straightforward motor control protection for pumps, conveyors, and presses. The 200 A amperage rating paired with HP ratings of 25 and 60 HP (3PH @ Std, TD) delivers scalable protection for mid-size industrial loads, minimizing nuisance trips and optimizing system availability. The inclusion of a Class H fuse and UL Listed certification reinforces compliance with critical safety standards and simplifies regulatory audits. Installation benefits include a compact footprint within control panels and compatibility with standard wiring practices, accelerating commissioning and reducing installation labor costs. Industry context shows that robust safety switches like this one improve equipment uptime, operator safety, and maintenance planning for OEMs and end users alike.
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FAQs
The DH324NWKW is designed as a three-pole, four-wire device with a 240V rating and an included neutral. It supports motor loads up to 60 HP (3PH @ Std, TD) or 25 HP in other configurations, making it suitable for many industrial pumps and conveyors. Ensure correct three-phase wiring and neutral connection per catalog notes for optimal protection and safe operation.
This unit is UL Listed and features a NEMA 4X stainless enclosure, providing corrosion resistance and outdoor durability. The 304 stainless steel enclosure, class H fuse provision, and fusible-with-neutral configuration deliver robust protection for harsh environments while supporting code-compliant installation in industrial control panels.
Ideal for outdoor or washdown environments such as chemical plants, food and beverage facilities, and outdoor substations, the NEMA 4X stainless enclosure withstands exposure to moisture and contaminants. It suits motor control centers, conveyors, and other heavy-load applications where reliable isolation and safe shutdown are critical to uptime and safety.
The 304 stainless steel enclosure with NEMA 4X protection reduces corrosion-related maintenance and downtime, extending service intervals and lowering replacement costs. Its rugged design supports frequent opening/closing cycles and safe blade visibility, contributing to quicker diagnostics and safer, easier maintenance in demanding environments.
Catalog notes indicate use for 2-pole applications by using the outside poles of a 3-pole switch. For this unit, ensure proper wiring in a three-pole, four-wire setup and respect enclosure clearance guidelines. These details help optimize safety, enable compliant installations, and maximize the switch’s protective function within the electrical distribution system.