Eaton DH222NDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH222NDK
Quick Summary
The Eaton DH222NDK heavy duty fusible safety switch provides reliable isolation for 60A circuits in industrial equipment. In demanding environments, downtime and arc-flash risk challenge productivity, so rugged protection and clear status indicators are essential. UL Listed protection, NEC barrier compliance, and a NEMA 12/3R enclosure anchor a safety-first design that withstands dust, moisture, and routine maintenance. Designed for 3-wire, neutral operation at 240 V, it supports field modifications for NEMA 3R rainproofing and offers a compact footprint for tight control panels. This combination delivers measurable value to maintenance teams and OEMs through safer operation, reduced downtime, and easier commissioning.
Product Information
Extended Description
DH222NDK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 60 A, NEMA 12/3R, Class H, neutral, Two-pole, Three-wire, 240 V, Max Hp: 3, 7.5 hp/10, 15 hp/10 hp (1,3PH @ Std fuse/time delay/250 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH222NDK
UPC
782113205861
Product Length/Depth
20 in
Product Height
8.5 in
Product Width
9.5 in
Product Weight
22 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
60A
HP rating - max
3, 7.5 hp/10, 15 hp/10 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: Enhanced visible blade provides quick status verification, reducing misoperation risk. Business Impact: Faster fault diagnosis and safer maintenance cycles, lowering downtime and increasing overall equipment effectiveness. Application: Panel inspections and routine testing in manufacturing lines. Feature: NEMA 12, NEMA 3R enclosure with painted galvanized steel construction. Business Impact: Robust protection against dust, moisture, and routine washdowns, extending service life in demanding environments. Application: Machine rooms, fabrication shops, and light outdoor installations. Feature: 60A amperage rating with three-wire, neutral configuration and Class H fuse provision. Business Impact: Precise overcurrent protection and compatibility with common motor loads, enabling safer, code-compliant circuits and reduced energy losses. Application: Motor starters and controlled feeders up to several horsepower (HP ratings shown in spec). Feature: Fusible with neutral and two-pole design. Business Impact: Clear isolation for line and load with straightforward fault containment, improving safety for maintenance personnel. Application: Industrial control panels and processing lines requiring reliable shutoff. Feature: Field modification capability to meet NEMA 3R rainproofing via drain hole adjustment. Business Impact: Outdoor or damp environments without full enclosure replacement, reducing retrofit costs and downtime. Application: Outdoor machinery, washdown areas, and exposed equipment.Feature: UL Listed and NEC barrier compliance. Business Impact: Regulatory compliance and risk reduction for audits, with a durable enclosure ready for installation in regulated facilities. Application: Food processing, chemical plants, and general manufacturing environments.
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FAQs
Installation should align with the unit's two-pole, three-wire configuration and 240 V supply. Plan for a 20 in length, 9.5 in width, and 8.5 in height footprint, with copper or aluminum conductors #14 through #2 allowed. Ensure a proper panel or wall mounting and account for the option to modify for NEMA 3R rainproofing if outdoor or damp locations are anticipated.
The DH222NDK is rated for 60A and 240V, with HP ratings up to 3, 7.5/10, and 15/10 hp depending on 1- or 3-phase and time-delay/fuse configuration. It uses a Class H fuse and supports a neutral in a three-wire configuration, compatible with #14-#2 Cu/Al conductors. This enables safe protection for typical industrial motors and control circuits.
The enclosure is rated for NEMA 12 and NEMA 3R, providing dust, splash, and weather resistance suitable for indoor and some outdoor applications. There is a field-modifiable option to meet NEMA 3R rainproof requirements by opening a drain hole in a factory-provided drain, offering an economical path to outdoor readiness without replacement.
This model is UL Listed and NEC barrier compliant, ensuring conformance with recognized electrical safety standards. The notified barrier helps maintain safe separation between live components and enforce compliance during panel assembly, while the field-modifiable options support broader regulatory acceptance in mixed-use facilities.
Expect durable protection with a galvanized steel enclosure that resists corrosion and dust ingress, reducing service calls. The enhanced visible blade simplifies status checks, while the option to field-modify for NEMA 3R rainproofing lowers retrofit costs. Overall, you gain lower downtime, easier commissioning, and a safer, code-compliant control solution.