Eaton DH363NDKW2 Heavy Duty Fusible Safety Switch - UL 98
Part Number: DH363NDKW2
Quick Summary
DH363NDKW2 Eaton heavy duty fusible safety switch safely interrupts motor loads in industrial settings. This unit addresses common field failures due to improper protection or undersized disconnects by delivering rugged, dependable isolation. Certified UL 98 and NEC 230.62 compliant barriers ensure safe operation in demanding environments, while the NEMA 12/3R enclosure protects against dust and moisture. The combination of a painted galvanized steel enclosure and Class H fuse provision delivers reliable protection with straightforward maintenance. For system integrators and maintenance teams, this switch offers scalable protection for 600 V circuits and up to 100 A, supporting efficient downtime reduction and consistent electrical safety compliance.
Product Information
Extended Description
DH363NDKW2 Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades2, 100 A, NEMA 12/3R, Painted galvanized steel, Class H, Neutral, Three-pole, Four-wire, 600 V, Max Hp: 30, 40/ 60, 75 hp (1/3PH @480, 600 V), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH363NDKW2
UPC
786679163986
Product Length/Depth
25.5 in
Product Height
8 in
Product Width
13.25 in
Product Weight
28 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 98
Catalog Notes
For 2-pole applications; use outside poles of 3-pole switch. Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
100A
HP rating - max
30, 40/ 60, 75 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 12/3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Feature: 100 A amperage rating with a 600 V voltage rating. Business Impact: Handles motor and electrical loads with robust protection while enabling safe, code-compliant operation. Application: Ideal for industrial motor circuits and panel protection in harsh environments. Feature: NEMA 12/3R enclosure made of painted galvanized steel. Business Impact: Resists dust, moisture, and corrosion, reducing enclosure maintenance and extending service life. Application: Factory floors, outdoor-installation zones with rain exposure where rainproof capability is optional. Feature: Three-pole, four-wire configuration with fusible protection and neutral. Business Impact: Provides reliable circuit isolation and neutral reference for balanced, safe power distribution. Application: Commercial/industrial gear where precise switchgear control is required. Feature: Class H fuse provision and UL 98 certified design. Business Impact: Delivers fast, predictable fuse performance and regulatory compliance, lowering risk of arc flash incidents. Application: Critical protection in high-humidity or dusty environments. Feature: Optional field modification to meet NEMA 3R rainproof requirements when drain hole is opened. Business Impact: Enables outdoor or wetter locations without replacing the enclosure. Application: Outdoor installations and washdown zones where rain ingress must be managed. Feature: Heavy-duty construction with a 25.5 in length, 13.25 in width, and 8 in height footprint, weight 28 lb. Business Impact: Manageable footprint for retrofit projects and drop-in replacements with predictable shipping and handling. Application: Retrofit in existing electrical rooms where space is at a premium. Feature: NEC 230.62 (C) compliant barrier. Business Impact: Simplifies compliance planning and reduces field rework during inspections. Application: Safety-critical installations in industrial facilities. Feature: 2-pole application note and drain-hole modification guidance. Business Impact: Clear engineering guidance reduces installation risk and speeds commissioning. Application: Projects requiring adaptation from 2-pole to 3-pole configurations.
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FAQs
Install the three-pole, four-wire switch in a protected electrical cabinet or outdoor-rated space. The unit supports 600 V systems and uses a neutral with fusible protection (Class H). The enclosure is rated NEMA 12/3R; for outdoor use consider the factory option to enable 3R rainproof operation by opening the drain hole as outlined in the catalog notes. Plan for a 25.5 in L Ă— 13.25 in W Ă— 8 in H footprint and a 28 lb weight for proper mounting clearance and service access.
The enclosure is rated NEMA 12/3R, with field modification options to meet NEMA 3R rainproof requirements when a drain hole is opened. For outdoor or washdown environments, verify the installation location and ensure NEC 230.62 (C) barrier compliance. This provides robust protection against dust and moisture while maintaining safe operation and easy maintenance access.
This Eaton model carries UL 98 certification for safety and reliability. It also aligns with NEC 230.62 (C) compliant barrier requirements, supporting safe installation in industrial panels. When integrating into a larger system, check the barrier and enclosure ratings to ensure full compliance with local electrical codes and installation regulations.
The DH363NDKW2 is a 100 A, 600 V, three-pole switch with a fusible configuration that includes a neutral. It uses Class H fuses, providing reliable interrupting capability for motor circuits. The NEMA 12/3R enclosure and UL 98 rating support standard protection for industrial systems operating at up to 600 V and heavy mechanical loads.
Prepare for a footprint of 25.5 inches in length, 13.25 inches in width, and 8 inches in height, with a shipping weight around 28 pounds. This predictable size simplifies cabinet space planning, mounting considerations, and replacement timing during retrofit projects in existing industrial control environments.