Eaton DH322NWKX Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH322NWKX
Quick Summary
Eaton DH322NWKX heavy-duty fusible safety switch protects three-phase motors in harsh industrial environments. Facility teams confront corrosion, moisture, and downtime in outdoor or washdown areas, making reliable protection essential. UL Listed and NEC 230.62 barrier compliance, paired with a NEMA 4X EnviroLine stainless enclosure, deliver rugged durability in demanding settings. The unit features a three-pole, four-wire configuration with Class H fuses and a neutral, enabling safe isolation across mixed voltage controls. This design supports quick, compliant installations while withstanding washdowns and corrosive exposures. By combining hardware resilience with code-compliant protection, it helps reduce maintenance costs, extend equipment life, and improve uptime for manufacturing and processing operations.
Product Information
Extended Description
DH322NWKX Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, 60 A, NEMA 4X, EnviroLine stainless, 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
DH322NWKX
UPC
782114224090
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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
EnviroLine stainless
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, Harsh Environment - EnviroLine
EnviroLine stainless enclosure provides outstanding corrosion resistance, translating to longer service intervals and lower maintenance costs in outdoor or washdown environments. Feature → Business Impact → Application: The corrosion-resistant, NEMA 4X enclosure minimizes exposure to moisture and chemicals, enhancing reliability for conveyors and pumps in food processing facilities. Application: Suitable for harsh industrial settings where uptime is critical. Feature → Business Impact → Application: Three-pole, four-wire configuration with neutral enables safe isolation of motor circuits, reducing fault propagation and enabling simpler control wiring for mixed-voltage systems. Application: Ideal for modular motor control in assembly lines and packaging equipment. Feature → Business Impact → Application: Class H fuse provision supports precise protection and easy replacement, improving fault response times and reducing downtime in maintenance windows. Application: Used with standard control circuitry and motor starters. Feature → Business Impact → Application: 240V, 60A rating with HP flexibility (3, 7.5/10, 15/10 hp for various configurations) supports a wide range of motors while keeping wiring straightforward. Application: Fits common industrial motors across manufacturing sectors. Feature → Business Impact → Application: UL Listed and NEC 230.62 barrier compliance simplify procurement and code audits, accelerating project timelines. Application: Great for new builds and retrofits in process industries seeking dependable protection without extensive certification overhead.
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FAQs
The DH322NWKX is a three-pole, four-wire safety switch with a neutral, designed for 240V operation at 60A. It accepts #14-2 AWG Cu/Al conductors and is intended for EN (EnviroLine) stainless, NEMA 4X installations. It supports straightforward wiring to standard motor controls and control circuits, simplifying both new installations and retrofits.
Key ratings include 60A amperage, 240V voltage, and maximum HP ratings of 3, 7.5/10, and 15/10 hp for 1- and 3-phase configurations, respectively. It uses Class H fuses and offers a neutral connection. The unit is UL Listed and designed for NEMA 4X environments, with a weight of 22 lb and robust EnviroLine stainless construction.
Yes. The DH322NWKX features a NEMA 4X EnviroLine stainless enclosure, delivering superior corrosion resistance for washdown and outdoor installations. It is well-suited for food processing, water treatment, packaging, and other industrial applications where moisture or chemical exposure is a concern, while still providing reliable motor protection.
The unit is UL Listed and includes NEC 230.62 barrier compliance. Its NEMA 4X enclosure and EnviroLine stainless material further support compliance with harsh-environment requirements. These certifications and ratings help with code adherence, safety audits, and procurement approvals for industrial projects.
Eaton provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first. The durable EnviroLine stainless enclosure reduces corrosion-related maintenance and downtime, delivering a lower total cost of ownership. Spare parts and support resources from Eaton are available to simplify service and long-term reliability.