Eaton DH323NWKW Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH323NWKW
Quick Summary
The Eaton DH323NWKW heavy duty fusible safety switch provides reliable circuit protection for industrial power distribution panels. It addresses common pain points such as corrosion, water ingress, and downtime in harsh environments by combining a corrosion-resistant enclosure with robust electrical protection. This unit features UL Listed certification, a NEMA 4X enclosure, and a 304 stainless steel construction, delivering durable service in demanding facilities. With 100 A capacity and three-pole four-wire wiring, it supports both 2-pole and 3-pole configurations for flexible integration into motor controls and process lines. By choosing this switch, you gain improved reliability, easier maintenance, and compliance with industry safety standards while keeping total cost of ownership in mind.
Product Information
Extended Description
DH323NWKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, enhanced visible blade, 100 A, NEMA 4X, 304 stainless steel, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 7.5, 15/ 30 hp (1,3PH @Std/3PH @TD), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH323NWKW
UPC
782114022641
Product Length/Depth
27 in
Product Height
12 in
Product Width
15 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
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
Wire size
#14-1/0 AWG Cu/Al
Amperage Rating
100A
HP rating - max
15, 30/ 20 hp (3PH @Std, TD/250 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature → Business Impact → Application: 100 A amperage rating and 240 V operation enable the switch to protect heavy motor loads and feeders, reducing electrical faults and downtime in manufacturing lines. This translates to measurable efficiency gains and safer start-ups in panel assemblies and MCCs. Feature → Robust enclosure → Application: NEMA 4X, 304 stainless steel enclosure delivers corrosion resistance and outdoor capability, minimizing enclosure maintenance and preventing costly water ingress in wash-down areas and outdoor installations. Feature → Fuse class and neutral configuration → Application: Class H fuse provisioning with fusible-neural wiring supports precise fault isolation and safe power disconnection, essential for compliant motor control and selective coordination in complex distribute systems. Feature → UL Listed and rugged construction → Application: Certification and durable materials streamline procurement and commissioning in regulated environments, supporting audits and reliability metrics. Feature → Flexible wiring and pole configuration → Application: #14-1/0 Cu/Al conductors and three-pole/four-wire setup provide installer-friendly connectivity for varied plant layouts, while the 27 by 15 by 12 inch footprint fits standard enclosures and minimizes retrofit time.
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FAQs
Yes. The DH323NWKW is specified as a three-pole, four-wire fusible safety switch with neutral, allowing correct disconnection and protection for 4-wire motor circuits. It also supports 2-pole applications by using the outside poles of a three-pole configuration, as noted in the catalog. This flexibility simplifies integration into existing plant wiring schemes and facilitates safe, compliant shutdowns for maintenance.
Key ratings include a 100 A amperage rating and 240 V voltage rating, with a maximum horsepower rating of 15 hp (Std) or 30 hp (TD at 250 Vdc) for 3-phase service. The enclosure is NEMA 4X with 304 stainless steel construction, and the device uses Class H fuses with neutral provision to ensure reliable fault isolation and protection of drive systems and feeders.
Yes. The enclosure is rated NEMA 4X and constructed from 304 stainless steel, delivering corrosion resistance and outdoor suitability. UL Listed certification further supports outdoor installation in regulated environments. This makes it well-suited for wash-down areas, weather-exposed panels, and other demanding plant environments while maintaining safety and reliability.
The DH323NWKW is UL Listed, with a NEMA 4X stainless steel enclosure. These certifications help satisfy safety and reliability requirements in regulated facilities, streamline supplier qualification, and support compliance during approvals and audits for industrial electrical protection and switchgear assemblies.
Warranty is Eaton’s standard policy: one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, rely on the corrosion-resistant enclosure and robust fusible design to minimize downtime; periodic inspection of the neutral connection and fuse provisions is recommended to sustain optimal performance in harsh environments.