Eaton DH224NWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH224NWK
Quick Summary
Eaton DH224NWK heavy duty fusible safety switch provides reliable overcurrent protection for industrial motor circuits in harsh environments. Downtime and corrosion risk in challenging plants can compromise safety, compliance, and uptime. This unit features UL Listed certification, a NEMA 4X stainless steel enclosure, and corrosion-resistant 316 stainless steel construction to withstand washdowns and harsh chemicals. With a two-pole, three-wire design and neutral, it supports grounded B phase ratings and flexible wiring options, helping you meet safety codes without sacrificing performance. By combining robust protection with straightforward installation, it delivers measurable business value through improved reliability, reduced maintenance costs, and longer service intervals for motor control panels.
Product Information
Extended Description
DH224NWK Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, 200 A, NEMA 4X, Neutral, Two-pole, Three-wire, 240 V, Max Hp: 15, 25 hp/15, 60 hp/40 hp (1,3PH @ Std fuse/time delay/250 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH224NWK
UPC
782113206714
Product Length/Depth
37.5 in
Product Height
11.5 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
Catalog Notes
3-Phase hp ratings shown are grounded B phase ratings; UL listed
Enclosure
NEMA 4X
Enclosure material
316 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
200A
HP rating - max
15, 25 hp/15, 60 hp/40 hp (1,3PH @ Std fuse/time delay/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 - DH224NWK
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 200A amperage rating and 240V operation with a two-pole, three-wire fusible design provides true protection for motor drives. Business Impact: reduces motor burnout and electrical fire risk, improving uptime and safety metrics. Application: suitable for industrial machines and conveyors in manufacturing lines. Feature: NEMA 4X enclosure with 316 stainless steel construction resists corrosion and washdowns. Business Impact: lowers replacement and maintenance costs in harsh environments. Application: outdoor installations and washdown zones. Feature: Class H fuse provision with fusible configuration including neutral. Business Impact: enables selective protection and neutral return paths for complex motor circuits. Application: process lines and equipment requiring reliable neutral switching. Feature: UL Listed certification and compatibility with standard fuses/time delay options at 250 Vdc. Business Impact: supports regulatory compliance and flexible protection schemes with proven reliability. Application: regulated facilities and critical process operations. Feature: wiring versatility supporting #6-300 kcmil Cu/Al and three-wire connections. Business Impact: simplifies field wiring and procurement, reducing installation time. Application: panel assemblies and industrial distribution blocks in mid-to-large scale installations. Feature: corrosion-resistant enclosure and compact footprint with dimensions 37.5 in × 19 in × 11.5 in and 55 lb weight. Business Impact: easier handling, safer installation, and space optimization in crowded electrical rooms. Application: retrofit projects and greenfield installations in manufacturing and facilities management.
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FAQs
The DH224NWK is a two-pole, three-wire fusible switch with neutral, designed for 200A at 240V. It supports copper or aluminum conductors in the range of #6-300 kcmil and uses a NEMA 4X enclosure, constructed from 316 stainless steel for corrosive environments. This combination simplifies field wiring, ensures reliable neutral handling, and aligns with common industrial panel practices.
HP ratings vary by phase: for 1-phase operation the unit supports up to 15–25 hp, and for 3-phase operation up to 15–60 hp depending on fuse selection and time-delay configuration at 250 Vdc. The switch is rated for 200A at 240V, making it suitable for a range of medium‑sized motor loads in industrial applications.
Yes. The DH224NWK features a NEMA 4X enclosure with a corrosion-resistant 316 stainless steel construction, designed for outdoor use and washdown environments. This makes it well-suited for outdoor equipment, process lines, and manufacturing floors subject to moisture, chemicals, or frequent cleaning.
The unit is UL Listed, and features a NEMA 4X enclosure rating, with corrosion-resistant 316 stainless steel. These certifications and ratings support compliance with industry safety standards and facilitate safer operation in demanding environments.
Warranty is Eaton’s Selling Policy 25-000, offering one year from installation or 18 months from shipment, whichever comes first. The robust construction, corrosion resistance, and UL/NEMA ratings reduce unplanned maintenance, extend service intervals, and lower total cost of ownership for motor control systems in harsh facilities.