Eaton DH322NWK316 Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH322NWK316
Quick Summary
Eaton DH322NWK316 heavy duty fusible safety switch provides reliable protection for industrial power circuits in demanding environments. In the field, uptime hinges on robust enclosures, corrosion resistance, and clear isolation during maintenance—areas where lower-grade switches often fail. This unit features a corrosion-resistant 316 stainless steel enclosure in a NEMA 4X rating and UL Listed certification, designed to endure washdowns and harsh industrial conditions. It also complies with NEC barrier requirements, supporting safer panel layouts and fault isolation. For procurement and engineering teams, the combination of 60A protection, rigid fuse class provision (Class H), and a three-pole, four-wire configuration translates into easier integration, fewer spare parts, and lower lifetime costs.
Product Information
Extended Description
DH322NWK316 Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, 60 A, NEMA 4X, Grade 316 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
DH322NWK316
UPC
782116489909
Product Length/Depth
10 in
Product Height
17.88 in
Product Width
8.13 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
316 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
Feature: 60A, 240V rating with three-pole, four-wire configuration and fusible with neutral. Business impact: precise protection and predictable fault isolation for motors and drives, reducing nuisance trips and unplanned downtime. Application: conveyors, pumps, and machine tools in demanding environments. Feature: 316 stainless steel enclosure with NEMA 4X protection. Business impact: excellent corrosion and washdown resistance, extending service life in harsh plants. Application: food processing, chemical handling, and outdoor installations. Feature: Class H fuse provision and fusible with neutral configuration. Business impact: enhanced short-circuit protection and safer neutral handling, simplifying control panel design and maintenance. Application: large motor starters and process lines requiring reliable isolation. Feature: UL Listed and NEC barrier compliance. Business impact: streamlined regulatory approvals, safer panels, and lower risk during audits. Application: industrial safety compliance programs and retrofits in regulated facilities. Feature: Copper/Aluminum wire compatibility (#14-2 AWG). Business impact: flexible wiring options reduce installation time and inventory complexity. Application: field modifications, controls upgrades, and custom panel builds. Feature: Compact, sturdy footprint with clear wiring paths and accessible components. Business impact: faster installation, reduced labor costs, and easier serviceability. Application: panel builders and maintenance technicians in mid-to-large scale plants. Insight: In real-world plants, combining corrosion resistance with robust electrical ratings translates into meaningful total cost of ownership savings through extended intervals between service events and reduced spare-part requirements.
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FAQs
The DH322NWK316 is rated for 60A at 240V with a three-pole, four-wire configuration and a fusible with neutral arrangement. It accepts #14-2 AWG Cu/Al wiring, enabling straightforward connections to control circuits, motors, and disconnects while maintaining correct fault isolation and safe operation.
Yes. It uses a 316 stainless steel enclosure with a NEMA 4X rating, delivering excellent corrosion resistance and structural integrity in washdown areas, chemical plants, and outdoor installations, helping sustain performance over time.
The unit is designed to support NEC barrier requirements, aiding safe separation between energized components and maintenance access. During installation, verify proper clearances and barrier configurations per NEC guidelines to reduce arc-flash risk and simplify code compliance during audits.
Eaton provides a one-year warranty from installation or eighteen months from shipment, per policy 25-000. For maintenance, rely on UL Listed certification and robust enclosure integrity to minimize downtime and support long-term reliability.
Ideal for heavy machinery, conveyors, pumps, and process lines in manufacturing, food processing, and chemical handling. Its combination of 60A protection, 240V operation, NEMA 4X enclosure, and corrosion resistance makes it well-suited for environments demanding durability, safety, and regulatory alignment.