Eaton DH226NWK316 Heavy Duty Fusible Safety Switch - UL
Part Number: DH226NWK316
Quick Summary
The Eaton DH226NWK316 is a heavy duty fusible safety switch for reliable power distribution in industrial facilities. In demanding environments, long outages and corrosion risk can threaten motor controls and safety-critical circuits. This unit carries UL listing and a corrosion-resistant 304 stainless steel enclosure (NEMA 4X) with NEC 230.62 barrier compliance to support compliant, durable installations. Designed to integrate with Class H fuses in a two-pole, 240V system, it reduces maintenance downtime and total cost of ownership while delivering robust protection.
Product Information
Extended Description
DH226NWK316 Eaton: Eaton Custom single-throw fused safety switch, Corrosion resistant, enhanced visible blade, 600 A, N4X, Class H, Two-pole, Three-wire, 240 V, Max Hp: 75, 200 hp (3PH @ Std fuse/time delay), (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH226NWK316
UPC
782116489800
Product Length/Depth
63 in
Product Height
14.25 in
Product Width
24 in
Product Weight
160 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
304 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
600A
HP rating - max
75, 200 hp (3PH @ Std fuse/time delay)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH226NWK316
Selling Policy 25-000 - Distribution and Control Products and Services
Corrosion-resistant 304 stainless steel enclosure (NEMA 4X) provides enduring protection against moisture, chemicals, and coastal atmospheres, extending service life and reducing corrosion-related failures in outdoor or washdown environments. Feature: High current rating of 600A and motor HP compatibility up to 200 hp (3PH) at standard fuse/time delay; Business Impact: supports large-motor starts with safe protection, lowering nuisance trips and unplanned downtime; Application: conveyors, pumps, and processing lines in harsh settings. Feature: Fusible with neutral and Class H fuse provision; Business Impact: precise fault isolation and predictable shutdown, improving safety and maintenance planning; Application: 3-wire power distributions feeding control circuits. Feature: UL Listed and NEC 230.62 barrier compliance; Business Impact: streamlines procurement, approvals, and regulatory inspections; Application: electrical rooms and outdoor installations subject to code. Feature: Compact, two-pole design with a defined footprint; Business Impact: simpler integration, faster installation, and predictable mounting in existing enclosures; Application: retrofit projects and new builds where space is limited.
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FAQs
Yes. The DH226NWK316 is a two-pole, fusible switch with neutral designed to accept Class H fuses in a 240V system. It supports standard three-wire control circuits and provides a 600A rating with compatibility for up to 200 hp motors (3PH) using time-delay fuses, ensuring safe and predictable operation during starts and stops.
The unit delivers 600A amperage at 240V, with a two-pole, three-wire configuration and Class H fuse provision. It features a fusible with neutral design, UL Listing, a NEMA 4X corrosion-resistant enclosure, and NEC 230.62 barrier compliance—together supporting safe, code-compliant motor protection and reliable shutdown in demanding environments.
Yes. The DH226NWK316 uses a 304 stainless steel enclosure rated for NEMA 4X protection, which provides corrosion resistance suitable for outdoor, washdown, and coastal environments. This makes it a robust choice for exposed electrical rooms and harsh industrial settings while maintaining enclosure integrity.
This safety switch is UL Listed, confirming compliance with recognized safety standards. It also features NEC 230.62 barrier compliance, which helps installers meet electrical code requirements. The combination of these certifications supports easier procurement, acceptance testing, and regulatory audits in industrial facilities.
Eaton provides Selling Policy 25-000 coverage: a one-year warranty from the date of installation or eighteen months from shipment, whichever occurs first. This warranty supports ongoing service and performance reassurance, with Eaton support resources available to address installation, maintenance, and in-field performance queries.