Eaton DH322NRK-CSA Auxiliary Power Switch - UL Listed CSA Certified
Part Number: DH322NRK-CSA
Quick Summary
The Eaton DH322NRK-CSA auxiliary power switch is designed to provide reliable control for heavy-duty electrical protection in industrial systems. This compact, fusible-with-neutral switch addresses a common pain point: balancing safety, accessibility, and space in control cabinets. With UL Listed and CSA Certified ratings, and a NEMA 3R enclosure, it stands up to demanding environments both indoors and outdoors. The product combines rugged construction with precise switching performance, delivering dependable protection without sacrificing installation efficiency. For engineers and procurement teams, this unit represents a practical path to compliant, long-lasting power control—with robust compatibility for 240 V systems and three-pole wiring that supports four-wire configurations.
Product Information
Extended Description
DH322NRK-CSA Eaton: Eaton auxiliary power switch, 60 A, NEMA 3R, Painted galvanized steel, Class H, Fusible with 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 auxiliary power switch
Catalog Number
DH322NRK-CSA
UPC
786685223087
Product Length/Depth
16.8 in
Product Height
15.88 in
Product Width
9.5 in
Product Weight
20 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 CSA Certified
Amperage Rating
60A
HP rating - max
3, 7.5/ 10, 15/ 10 hp (1,3PH @Std/TD/250 Vdc)
Voltage rating
240V
Enclosure
NEMA 3R
Enclosure material
Painted galvanized 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
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH322NRK-CSA
Feature → Business Impact → Application: 60 A amperage rating delivers robust fault protection and minimizes nuisance trips, reducing unplanned downtime and maintenance costs. This translates to improved line reliability in manufacturing lines and packaging equipment where consistent power control is critical. Feature → Application compatibility with 240 V three-pole, four-wire configurations enables quick integration into standard industrial control panels, saving installation time and reducing wiring errors. The fusible with neutral design provides selective protection while maintaining neutral continuity, enhancing safety and simplifying fault diagnosis in complex motor circuits. Feature → NEMA 3R enclosure with painted galvanized steel offers outdoor and harsh-environment durability, extending service life in environmental exposure scenarios like loading docks or outdoor equipment enclosures. This supports compliance with safety and industrial standards while lowering total cost of ownership. Feature → Class H fuse provision and FSC-compatible construction ensure reliable overcurrent protection under varying load profiles, supporting energy management strategies and consistent motor performance. Feature → UL Listed and CSA Certified marks reinforce regulatory compliance, facilitating smoother audits and procurement approvals for regulated facilities. Additionally, the product’s three-pole, four-wire design aligns with common motor control practices, improving installation efficiency and serviceability in field installations.
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FAQs
Yes. The DH322NRK-CSA is a three-pole, four-wire, 240V auxiliary power switch rated at 60A, specifically designed for three-phase applications in industrial control panels. Its fusible-with-neutral configuration supports safe, selective protection while simplifying wiring and servicing.
This Eaton switch is UL Listed and CSA Certified, with a NEMA 3R enclosure. These certifications support regulatory compliance, safer electrical installations, and smoother customer audits, especially in regulated facilities or projects with stringent safety standards.
The unit measures 16.8 inches in depth, 15.88 inches in height, and 9.5 inches in width, with an approximate weight of 20 pounds. These dimensions help ensure proper fitment in existing control cabinets and ease of mounting alongside other devices.
Eaton provides a warranty of one year from the date of installation or eighteen months from the date of shipment, whichever comes first, offering assurance against manufacturing defects and enabling predictable budgeting for maintenance.
Typical applications include heavy-duty motor control, machinery protection, and outdoor equipment enclosures. Benefits include improved safety, reduced downtime from protected loads, easier compliance with electrical codes, and straightforward integration with standard motor controllers and control panels.