Eaton DH322NDKW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH322NDKW
Quick Summary
Eaton DH322NDKW heavy duty fusible safety switch provides reliable protection for industrial motor circuits in control panels and switchgear. Engineers often struggle with nuisance trips, limited enclosure protection, and wiring layouts that slow commissioning. UL Listed certification and NEMA 12/3R enclosure ratings ensure rugged performance in harsh environments. This model couples a cartridge fuse with a neutral for safer maintenance and faster service, while its 60 A, 240 V rating aligns with common industrial standards. The result is a dependable, easy-to-install solution that supports efficient automation, reduced downtime, and scalable panel design for manufacturing, packaging, and processing environments.
Product Information
Extended Description
DH322NDKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, 60 A, NEMA 12/3R, Painted galvanized steel, Cartridge, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 7.5, 15 hp (3PH @Std, TD), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH322NDKW
UPC
782114022610
Product Length/Depth
23 in
Product Height
10.5 in
Product Width
12.5 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
Catalog Notes
For 2-pole applications; use outside poles of 3-pole switch. Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Cartridge
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
7.5, 15 hp (3PH @Std, TD)
NEMA rating
NEMA 12/3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH322NDKW
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The three-pole, four-wire configuration with a cartridge fuse and neutral simplifies wiring and reduces field errors, delivering faster commissioning and safer maintenance in every control panel. This translates to lower installation costs and improved uptime for conveyor lines and machine tooling in manufacturing environments. Feature → Business Impact → Application: A rugged painted galvanized steel enclosure with NEMA 12/3R ratings provides durable protection against dust, moisture, and incidental splashes, enhancing reliability in harsh industrial settings and extending service life in food processing or water treatment facilities. Feature → Business Impact → Application: 60 A amperage and 240 V operation support standard motor loads up to 7.5–15 hp (3PH), enabling compatible integration with common motors while keeping harnessing compact and serviceable for OEM panel builders. Feature → Business Impact → Application: Fusible with neutral design and #14-2 AWG copper/aluminum wiring simplifies conductor selection and reduces inventory variety, accelerating project timelines for machine builders in packaging and material handling. Feature → Business Impact → Application: The option to field-modify for NEMA 3R rainproof use (via drain hole) provides rain-ready protection for outdoor or damp environments, increasing site flexibility and reducing enclosure substitutions in seasonal or outdoor installations. Feature → Business Impact → Application: UL Listed certification and documented warranty support reassure compliance officers and maintenance teams, lowering risk and ensuring predictable total cost of ownership across industrial automation projects.
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FAQs
The DH322NDKW is designed for three-pole, four-wire use with #14-2 AWG Cu/Al conductors and includes a neutral. Mount in a suitable enclosure, connect line and load wiring per the 240V rating, and ensure proper grounding. The unit’s 23 in length, 12.5 in width, and 10.5 in height fit standard control panels, reducing rework and enabling straightforward wiring in motors up to 60A.
This switch provides a 60A amperage rating and operates at 240V. It uses cartridge fuses with neutral, supporting HP ratings up to 15 hp for 3-phase standard and time-delayed configurations. The fusion with neutral simplifies protection for motor circuits and aligns with common industrial machine specifications.
The product features a NEMA 12/3R enclosure suitable for indoor or sheltered locations. For outdoor or rain-prone environments, field modification to NEMA 3R rainproof is possible when a factory drain hole is opened, providing added protection without changing core electrical functionality.
The DH322NDKW is UL Listed, confirming compliance with safety and performance standards for industrial controls. It is designed to meet NEMA 12/3R enclosure requirements and is suitable for rugged industrial environments, giving buyers confidence in reliability and maintenance support.
Eaton backs the product with a warranty policy of one year from installation or eighteen months from shipment, whichever occurs first. ROI is realized through reduced downtime, fewer nuisance trips, easier maintenance thanks to a neutral fuse configuration, and durable enclosure protection that minimizes replacement and service costs in continuous-run applications.