Eaton DH322FWK316 Heavy Duty Fusible Safety Switch UL
Part Number: DH322FWK316
Quick Summary
Eaton heavy-duty fusible safety switch protects 3-phase equipment in harsh industrial panels. Users struggle with corrosion, space constraints, and compliance gaps in demanding environments, often facing unplanned downtime and expensive repairs. This unit features a 316 stainless steel enclosure with NEMA 4X protection and Class H fuses, delivering long-term durability. It carries UL Listed certification, NEC 230.62 barrier compliance, and a metal-to-metal seal that resists moisture and contaminants — essential in washdown and outdoor installations. The design supports three-pole, three-wire configurations at 240 V and accepts #14-2 Cu/Al conductors, enabling straightforward wiring and rapid installation for OEMs and end users alike. With a 60 A rating and compatible motor protections, it fits conveyors, pumps, and packaging lines while meeting stringent safety standards.
Product Information
Extended Description
DH322FWK316 Eaton: Eaton Heavy duty single-throw fused safety switch, 60 A, NEMA 4X, Grade 316 stainless steel, Class H, Three-pole, Three-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
DH322FWK316
UPC
782116489831
Product Length/Depth
20 in
Product Height
8.5 in
Product Width
9.5 in
Product Weight
21 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 without neutral
Number Of Poles
Three-pole
Number of wires
3
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 without neutral
Feature: 316 stainless steel enclosure with NEMA 4X rating → Business Impact: Provides superior corrosion resistance and durability in washdown, outdoor, and harsh industrial environments, reducing maintenance costs and downtime. Application: Ideal for food processing, chemical handling, and outdoor panels where exposure to moisture and contaminants is routine. Feature: UL Listed and NEC 230.62 barrier compliance → Business Impact: Ensures regulatory compliance and safer installations, minimizing risk during audits and inspections. Application: Suitable for panels in regulated facilities and new builds needing proven safety verification. Feature: Class H fuse with fusible without neutral configuration → Business Impact: Streamlines protection of motor loads with easy fuse replacement and targeted protection, lowering maintenance time and spare-part inventory. Application: Motor circuits in conveyors, pumps, and packaging lines. Feature: Three-pole, three-wire, 240 V operation with 60 A rating → Business Impact: Matches common industrial load profiles while delivering robust motor protection and reliable operation. Application: Industrial drives and equipment requiring dependable switching. Feature: Wire size #14-2 Cu/Al and 20 in x 9.5 in x 8.5 in enclosure → Business Impact: Simplifies field wiring and enclosure mounting, reducing installation time and site disruption. Application: OEM assemblies and retrofit projects with constrained space. Feature: 316 stainless steel construction and 21 lb weight → Business Impact: Lightweight for handling yet rugged enough for demanding environments, enabling safer, faster serviceability. Application: Fleet maintenance, service calls, and remote installations.
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FAQs
DH322FWK316 is a three-pole, three-wire switch rated at 60 A and 240 V. It uses #14-2 Cu/Al conductors and mounts in a NEMA 4X stainless steel enclosure for robust outdoor or washdown environments. Plan for proper clearance, secure mounting, and compatible wiring methods to maintain UL/NEMA compliance and facilitate safe maintenance.
Key specs include a 60 A amperage rating, 240 V voltage rating, NEMA 4X enclosure, UL Listed certification, and Class H fuse provision. These parameters support protection for moderate to high motor loads in harsh environments, enabling reliable switching and safe interruption of fault currents while maintaining compliance with NEC guidance.
Yes. The enclosure is NEMA 4X and built from 316 stainless steel, engineered for corrosion resistance in washdown, outdoor, and corrosive environments. This makes it well-suited for food processing, chemical handling, and outdoor installations where moisture, salts, or chemical splashes are common.
This switch is UL Listed and designed to meet NEC 230.62 barrier requirements. The NEMA 4X rating further confirms suitability for harsh environments. Together, these certifications help ensure regulatory alignment, safer installations, and smoother audits in industrial facilities.
Maintenance benefits from a robust 316 stainless steel enclosure and Class H fuses, reducing corrosion-related downtime and fuse replacements. The switch supports straightforward wiring with standard conductors, enabling quicker service and fewer labor hours during upgrades or repairs, contributing to lower lifecycle costs and improved uptime for manufacturing lines.