Eaton DH223NDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH223NDK
Quick Summary
The Eaton DH223NDK heavy duty fusible safety switch protects industrial motor circuits in harsh environments. In the field, downtime and miswiring can drive maintenance costs and safety risk. UL Listed, NEC 230.62 (C) compliant barrier, and a NEMA 12/3R enclosure provide robust protection and regulatory alignment. This solution supports quick installation, reliable fault isolation, and predictable service intervals, reducing unplanned outages. For panel builders and maintenance teams, the device’s two-pole, neutral-configured design and compatibility with standard fuses streamline wiring and compliance across diverse applications.
Product Information
Extended Description
DH223NDK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 100 A, NEMA 12/3R, 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
DH223NDK
UPC
782113206295
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
Catalog Notes
Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened. 3-phase hp ratings shown are grounded B phase ratings; 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 12/3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: 100 A amperage rating and 240 V operating voltage provide robust motor protection and fault isolation. Business Impact: Reduces fuse changes and equipment damage, increases line uptime, and lowers maintenance costs in even the toughest production lines. Application: Ideal for 1- and 3-phase motor circuits in manufacturing, conveying systems, and processing equipment where reliable switching is essential. The DH223NDK supports standard Class H fuses and a fusible with neutral configuration, enabling straightforward integration with existing protection schemes. Feature: NEMA 12 and NEMA 3R enclosure options protect against dust, splash, and weather exposure, improving long-term reliability. Business Impact: Extends service life in indoor and mild outdoor environments, lowering replacement costs. Application: Suitable for panel-mounted installations in electrical rooms or protected outdoor cabinets. Feature: UL Listed and NEC barrier compliance enhance regulatory alignment and traceability. Business Impact: Facilitates audit-ready installations and reduces citation risk in inspections. Application: Preferred in regulated facilities and OEM panel builds seeking compliant protection devices. Feature: Field modification capability to meet NEMA 3R rainproof requirements with an opened drain hole. Business Impact: Enables outdoor readiness without replacing the housing, cutting lead times. Application: Outdoor machinery, washdown areas, and exposed process lines. Feature: Two-pole with neutral and three-wire configuration simplifies wiring and improves fault management. Business Impact: Streamlines commissioning, minimizes wiring errors, and supports seamless integration with existing control schemes. Application: Machine control panels and motor starter assemblies across industrial sectors.
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FAQs
Plan for a two-pole, three-wire setup with neutral, ensuring the enclosure clearance matches the 25.5 in depth and 13.25 in width spec. Verify the UL Listed status and NEC barrier compliance for safe panel integration. If outdoor exposure is possible, consider field modifications to meet NEMA 3R rainproof requirements and evaluate the drain hole option per the catalog notes.
It uses a 100A amperage rating with Class H fuse protection, providing reliable current interruption for motor circuits at up to 240 V. The fused switch configuration with neutral ensures proper fault isolation and smooth de-energization, reducing the risk of secondary faults and minimizing equipment damage.
Yes, it features a NEMA 12/3R enclosure and can be field modified to meet NEMA 3R rainproof requirements when a drain hole is opened. This makes it adaptable for protected outdoor installations, washdown environments, or exposed process lines while preserving safety and compliance.
The switch is UL Listed and complies with NEC barrier requirements (230.62 C). It is designed for NEMA 12/3R enclosures and supports field modifications for outdoor rainproof use, aligning with typical industrial electrical protection and circuit control standards.
With a durable painted galvanized steel enclosure, 100 A protection, and standard fusing, the DH223NDK minimizes unplanned outages and fuse-related downtime. The one-year Eaton warranty adds protection during the early lifecycle, while field-replaceable fuses and robust construction reduce long-term maintenance costs in production environments.