Eaton DH224NCK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH224NCK
Quick Summary
Eaton DH224NCK is a heavy duty fusible safety switch for reliable motor control and equipment protection in industrial electrical rooms. Specifying a switch that meets enclosure, fusing, and wiring requirements consistently can be error-prone and impact downtime. Key certifications include UL Listed and NEC compliance, plus NEMA 12/3R enclosures for rugged, maintenance-friendly operation. This model supports existing industrial protection goals while aligning with cost-efficient, compliant motor control solutions.
Product Information
Extended Description
DH224NCK Eaton: Eaton Heavy duty single-throw fused safety switch, 200 A, NEMA 12/3R, Fusible with neutral, Two-pole, Three-wire, 240 V, Max Hp: 15, 25 hp/15, 60 hp/40 hp (1,3PH @ Std fuse/time delay/250 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH224NCK
UPC
786685161907
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 in
Product Weight
55 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 12, NEMA 3R
Enclosure material
Painted galvanized 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
200A
HP rating - max
15, 25 hp/15, 60 hp/40 hp (1,3PH @ Std fuse/time delay/250 Vdc)
NEMA rating
NEMA 4X (Non-Metallic)
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: 200 A amperage rating with 240 V operation, two-pole, three-wire configuration, and fusible with neutral. Business Impact: Delivers robust overcurrent protection for motors and conveyors, reducing unexpected outages and equipment damage. Application: Ideal for heavy-duty machinery in manufacturing lines where reliable switching and fuse protection are required. The design supports straightforward integration into standard control panels and switchgear assemblies. Feature: NEMA 12 and NEMA 3R enclosure ratings with painted galvanized steel construction. Business Impact: Provides dust, water, and environmental protection, extending service life in harsh plant environments and outdoor areas. Application: Suitable for indoor and protected outdoor installations on factory floors, protecting critical control circuits. Feature: Fuse class provision Class H and fuse configuration Fusible with neutral. Business Impact: Enables field-selectable protection with compatible time-delay fuses, optimizing coordination and downtime reduction. Application: Works with standard fusing schemes to meet plant coordination requirements and NEC guidelines. Feature: HP rating up to 60 hp in 3-phase configurations (and up to 25/40 hp in other phase combinations) at 240 V. Business Impact: Supports motor start-up and load requirements while maintaining permissible inrush and thermal limits. Application: Ideal for small to medium motors in material handling, pumps, and fans. Feature: Conductor compatibility #6-300 kcmil Cu/Al and a 200 A rating. Business Impact: Simplifies wiring design, reduces derating, and streamlines procurement with common conductor sizes. Application: Effective for large feeders and branch circuits in industrial facilities.
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FAQs
The DH224NCK fits standard control panels with a 200 A, 240 V, two-pole, three-wire configuration and a fusible with neutral arrangement. It supports #6-300 kcmil Cu/Al conductors and LOTO-compliant wiring practices. Enclosure ratings (NEMA 12/3R) and mounting dimensions (37.5 in L, 19 in W, 11.5 in H) facilitate straightforward retrofit into existing switchgear.
This switch provides 200 A amperage with a 240 V rating, supporting motor HP up to 60 hp in 3-phase configurations and up to 25–40 hp in other phase arrangements, depending on fuse type and time-delay characteristics. It is UL Listed and designed for reliable inrush management and thermal protection in industrial environments.
Yes. The device is UL Listed and built for NEC-based protection, featuring a compliant barrier (NEC 230.62). It uses NEMA 12 and NEMA 3R enclosures to meet indoor and protected outdoor requirements, ensuring safe operation and easier regulatory alignment for industrial facilities.
The unit occupies a footprint of 37.5 inches in length, 19 inches in width, and 11.5 inches in height, with an approximate weight of 55 pounds. It accepts #6-300 kcmil Cu/Al conductors and provides a fusible with neutral configuration, enabling flexible wiring to meet plant routing constraints and protection coordination.
The DH224NCK carries Eaton’s warranty policy and a UL-listed protection platform, designed to minimize downtime through robust enclosure protection and reliable fuse-based safety. Regular maintenance involves periodic inspection of fusing, enclosure integrity, and wiring connections to sustain peak protection and extend service life.