Eaton DH223NCK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH223NCK
Quick Summary
Eaton DH223NCK heavy-duty fusible safety switch safely disconnects power for motors and machinery in industrial control panels. When selecting protection, engineers often face downtime from nuisance trips and complex servicing; this unit minimizes that friction with quick maintenance. UL Listed, NEC barrier compliant, and built into a NEMA 12/3R enclosure, it meets safety, reliability, and environmental requirements. In practice, integrators value its plug-and-play compatibility and predictable performance for motor disconnects, reducing panel space and total cost of ownership. The device balances protection with serviceability, and its 25.5 in depth plus 29 lb enclosure helps optimize installation in constrained control panels.
Product Information
Extended Description
DH223NCK Eaton: Eaton Heavy duty single-throw fused safety switch, 100 A, NEMA 12/3R, Painted galvanized steel, Neutral, Two-pole, Three-wire, 240 V, Max Hp: 7.5, 15 hp/15, 30 hp/20 hp (1,3PH @ Std fuse/time delay/250 Vdc), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH223NCK
UPC
786685161891
Product Length/Depth
25.5 in
Product Height
9 in
Product Width
13.25 in
Product Weight
29 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
100A
HP rating - max
7.5, 15 hp/15, 30 hp/20 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
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH223NCK
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 100 A amperage rating with fusible configuration that includes a neutral. Business Impact: provides precise overload protection and safe disconnection for motor circuits, helping prevent nuisance trips and equipment damage. Application: ideal as a motor disconnect in 240 V systems for both 1- and 3-phase loads in manufacturing lines. Feature: NEMA 12 and NEMA 3R enclosure with painted galvanized steel. Business Impact: delivers dust, moisture, and corrosion resistance, extending service life in harsh environments and reducing unplanned maintenance. Application: suitable for indoor wash-down areas and outdoor-ready installations in warehouses and process plants. Feature: Fuse class provision Class H and fusible with neutral. Business Impact: enables clean coordination and reliable protection for fed circuits; Application: standard fuse protection for Cu/Al wire runs #14-#1/0. Feature: Two-pole, three-wire design, 240 V nominal. Business Impact: supports motor loads up to 7.5 HP on single-phase and up to 30 HP on three-phase configurations, enabling broad protection for diverse equipment. Application: motor disconnects in compact control panels. Feature: UL Listed and NEC barrier compliant. Business Impact: simplifies regulatory compliance and reduces risk in panel shops and field installations. Application: industrial protection devices across manufacturing lines. Feature: Warranty and service terms. Business Impact: reduces total cost of ownership with a one-year warranty from installation or 18 months from shipment. Application: standard post-sale support for ongoing plant reliability.
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FAQs
The DH223NCK uses a NEMA 12/3R enclosure and painted galvanized steel, providing dust, moisture, and corrosion resistance. It is suitable for indoor control panels as well as outdoor or wash-down areas where rugged protection and reliable isolation are required, helping maintain uptime in manufacturing and process environments.
This switch is a 100 A, two-pole, three-wire unit rated for 240 V. It supports motor loads up to 7.5 HP on certain configurations and up to 30 HP in 3-phase applications with appropriate fuse options, enabling flexible protection for a wide range of industrial motors and drives.
Yes. The DH223NCK is UL Listed and complies with NEC barrier requirements, simplifying installation in regulated facilities and reducing compliance risk for panel builders and field electricians.
Fusible with neutral provides clear overload protection while maintaining a neutral path for balanced circuit operation. This arrangement supports straightforward coordination with upstream breakers and helps prevent nuisance outages by matching fuse ratings to wire sizes (#14-#1/0 Cu/Al).
Eaton offers a one-year warranty from installation or 18 months from shipment, whichever occurs first. This policy, along with Eaton’s service policies, helps reduce total cost of ownership and ensures access to replacement parts and technical guidance when needed.