Eaton DH226NDKW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH226NDKW
Quick Summary
DH226NDKW is an Eaton heavy duty fusible safety switch providing reliable electrical isolation for industrial motor loads. Facilities often struggle with downtime and unsafe maintenance when switchgear lacks visibility or robust protection. UL Listed certification and NEMA 12/3R enclosure support code-compliant installation in indoor industrial spaces, while the Class H fuse provision and fusible with neutral design enhance protection and fault isolation. The unit's 600 A rating and HP capability up to 200 hp (3PH @ std fuse/time delay) align with demanding equipment and retrofit projects, reducing unplanned outages. Built into a painted steel enclosure, it delivers durability in harsh environments and integrates smoothly with existing disconnect and motor control centers. This is where reliability, compliance, and fast service converge for industrial safety switches.
Product Information
Extended Description
DH226NDKW Eaton: Eaton Heavy duty single-throw fused safety switch, 600 A, NEMA 1, Painted steel, 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 Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH226NDKW
UPC
786680181634
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
147 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
Heavy Duty Safety Switch (HDSS). Window & Visible Blade
Enclosure
NEMA 1
Enclosure material
Painted 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 12/3R
Voltage - max
600 V
Voltage rating
240V
Application
Heavy commercial and industrial
Series
K
Eaton Specification Sheet - DH226NDKW
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 600 A amperage rating enables direct motor control of large loads without oversized switchgear. Business Impact: Minimizes equipment bottlenecks and reduces peak current stress on feeders. Application: Heavy commercial and industrial motor circuits. Feature: NEMA 1 painted steel enclosure provides indoor protection and robust mechanical integrity. Business Impact: Enhances long-term durability, lowers corrosion risk, and simplifies installation in electrical rooms. Application: Indoor industrial facilities and controlled environments. Feature: Class H fuse configuration with neutral support improves protection coordination and fault isolation. Business Impact: Limits fault energy, aids code compliance, and reduces replacement costs. Application: feeders and motor branch circuits requiring reliable fusing. Feature: Window with visible blade (HDSS) enables quick, non-intrusive status checks. Business Impact: Decreases maintenance time and improves safety during servicing. Application: Routine inspections and startup/shutdown sequences. Feature: Two-pole, three-wire design aligns with common motor control setups for straightforward wiring. Business Impact: Simplifies panel integration and reduces installation time. Application: motor control centers and disconnect gear in industrial plants. Feature: HP rating up to 200 hp (3PH @ std fuse/time delay) provides scalable protection for evolving equipment. Business Impact: Supports upgrade paths without replacing switchgear. Application: large motors and fed loads in manufacturing environments. Feature: UL Listed certification and NEMA 12/3R rating ensure compliance and reliability. Business Impact: Facilitates regulatory acceptance and safe operation in harsh indoor settings. Application: industrial applications with strict safety requirements.
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FAQs
The DH226NDKW is designed for indoor use with a NEMA 1 enclosure, requiring suitable mounting within electrical rooms or protected spaces. Plan for proper clearance for wiring access, window alignment for status checks, and alignment with standard disconnects in motor control centers. Ensure appropriate conductor sizing for 600 A and fuse type per Class H specifications.
This unit provides a 600 A amperage rating and 240 V operation, with a two-pole, three-wire configuration. It supports motor loads up to 200 hp (3PH @ standard fuse/time delay). Compatible with heavy industrial motors and feeders, it integrates with standard fusing practices and provides scalable protection for large equipment.
Yes, the DH226NDKW is UL Listed, indicating it has passed safety testing to meet recognized standards for electrical equipment. UL listing supports compliance with relevant codes and enhances reliability in inspection regimes. It also pairs with a NEMA 12/3R enclosure to address indoor environmental protections.
Maintenance relies on the window and visible blade to verify switch status quickly without removing cover. Regular checks should confirm the blade position aligns with the circuit state and inspect fuse condition per replacement guidelines. The robust enclosure and Class H fusing reduce maintenance frequency by delivering durable protection for long service life.
By enabling reliable isolation for large motors, rapid status verification, and code-compliant protection (UL Listed, NEMA 12/3R), the DH226NDKW minimizes unplanned downtime and extends motor life. Its rugged steel enclosure and straightforward installation reduce maintenance costs and retrofit downtime, delivering measurable ROI in industrial plants with high motor loads.