Eaton DH322NWK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH322NWK
Quick Summary
The Eaton heavy duty fusible safety switch DH322NWK provides safe isolation for three-phase panels. In harsh industrial environments, maintenance downtime and corrosion risk complicate projects and inflate lifecycle costs. UL Listed certification with a NEMA 4X stainless enclosure (304 stainless steel) and Class H fuse protection deliver rugged reliability in washdown, dust, and outdoor installations. Three-pole, four-wire configuration with neutral, 60A amperage, and 240V rating support reliable motor control and electrical protection in industrial automation, enabling straightforward panel integration and serviceability. Designed for electrical protection and circuit control in industrial settings, it pairs strong protection with installation flexibility and long service life to maximize uptime.
Product Information
Extended Description
DH322NWK Eaton: Eaton Enhanced visible blade single-throw safety switch, Corrosion resistant, 60 A, NEMA 4X, 304 stainless steel, Class H, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 3, 7.5/ 10, 15/ 10 hp (1,3PH @Std/TD/250 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH322NWK
UPC
782113205939
Product Length/Depth
10.22 in
Product Height
19.08 in
Product Width
7.73 in
Product Weight
22 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
Wire size
#14-2 AWG Cu/Al
Amperage Rating
60A
HP rating - max
3, 7.5/ 10, 15/ 10 hp (1,3PH @Std/TD/250 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
The DH322NWK delivers a proven 60A at 240V rating with a three-pole, four-wire configuration including a neutral, providing a definitive disconnect for three-phase motor circuits. This wiring versatility supports Cu/Al conductors #14–#2 and simplifies field installation while enabling safe fault isolation. Applications span industrial control panels and motor control centers where reliable switchgear reduces startup time and unplanned downtime. Enclosure design features a NEMA 4X stainless steel body that resists corrosion and washdowns, extending service life and lowering maintenance costs in outdoor or hazardous environments. In process plants and outdoor equipment enclosures, this protection translates to longer intervals between replacements and improved uptime. Fuse provisions use Class H fuses with a fusible neutral design, promoting selective tripping and safer fault clearing, while UL Listed protection ensures regulatory compliance across industrial automation projects. The unit’s compact footprint (10.22 in depth, 19.08 in height, 7.73 in width) and 22 lb weight support straightforward panel integration and logistics, making retrofit or new installations predictable and cost-effective. Designed for electrical protection and circuit control in demanding settings, the DH322NWK offers compatibility with 240V three-phase systems and neutrals, delivering durable performance and installation flexibility in modern control architectures.
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FAQs
When installing the DH322NWK, verify a 60A, 240V rating and a three-pole with neutral, four-wire configuration. Plan for Cu/Al conductors in the #14–#2 range and ensure adequate clearance for maintenance. The unit’s enclosure is compatible with standard control panels and MCCs, simplifying retrofit projects and minimizing wiring errors during field termination.
The DH322NWK provides a 60A amperage rating at 240V, with a three-pole configuration and a fusible neutral design. It uses Class H fuses and is UL Listed, ensuring compliance with safety standards for motor control and power distribution in industrial environments. This combination supports reliable fault clearing and selective protection for downstream circuits.
Yes. The DH322NWK features a NEMA 4X enclosure and 304 stainless steel construction, delivering excellent corrosion and washdown resistance. This makes it suitable for outdoor installations, chemical plants, food processing facilities, and other harsh environments where durable protection against moisture and dust is required.
The DH322NWK is UL Listed and housed in a NEMA 4X stainless steel enclosure. The 304 stainless construction and Class H fuse provisions align with stringent safety and industrial standards for heavy-duty safety switches used in electrical protection and control across manufacturing and process environments.
Eaton’s warranty for this product is one year from installation or eighteen months from shipment, whichever occurs first. By resisting corrosion, reducing downtime, and simplifying maintenance with a robust enclosure and reliable isolation, the DH322NWK lowers lifecycle costs and extends intervals between service interventions for motor control and power-distribution panels.