Eaton DD363NWKW Double Door Safety Switch - NEMA 4X
Part Number: DD363NWKW
Quick Summary
Eaton DD363NWKW double door fused safety switch delivers reliable overcurrent protection for industrial control panels. This unit helps mitigate downtime caused by environmental exposure, corrosion, and harsh washdown environments common in automotive, food & beverage, and process industries. UL Listed, with a NEMA 4X stainless steel enclosure and Class H fuse protection, it is built to withstand demanding conditions while maintaining operator safety. Designed for 600 V systems and up to 100 A, it supports efficient motor control and easy integration into existing panels, reducing installation complexity and long-term ownership costs. The combination of rugged construction, protective rating, and flexible wiring makes it a sound choice for rugged industrial applications where reliability matters most.
Product Information
Extended Description
DD363NWKW Eaton: Eaton Double door single-throw fused safety switch, 100 A, NEMA 4X, 304 stainless steel, Class H, Fusible with neutral, Three-pole, Four-wire, 600 V, Max Hp: 30, 40/ 60, 75 hp (1/3PH @480, 600 V), #14-#1/0
Product Name
Eaton double door single-throw fused safety switch
Catalog Number
DD363NWKW
UPC
786679173916
Product Length/Depth
39.19 in
Product Height
10.21 in
Product Width
12.33 in
Product Weight
50 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.
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty double door safety switch
Wire size
#14-1/0 AWG
Amperage Rating
100A
Fuse class provision
Class H
HP rating - max
30, 40/ 60, 75 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 4X
Voltage rating
600 V
Product Category
Watertight
Special features
w/ window
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Eaton Specification Sheet - DD363NWKW
Feature: 304 stainless steel, NEMA 4X enclosure reduces corrosion risk and enables washdown compatibility. Business Impact: Extends service life in challenging environments, lowers maintenance frequency, and improves asset uptime. Application: Food processing plants, chemical plants, and outdoor equipment installations benefit from durable enclosures that resist moisture and contaminants. Feature: Fusible with neutral, three-pole, four-wire configuration. Business Impact: Provides safe, coordinated overcurrent protection and simplifies wiring schemes for complex motor loads. Application: MCCs and equipment with multi-line feeders require predictable protection and easy fault isolation. Feature: Amperage rating 100 A and HP rating up to 75 hp (1/3 PH @ 480/600 V). Business Impact: Supports larger motors without oversizing the switch, reducing total installed cost and enabling efficient control of high-demand equipment. Application: Industrial drives and compressors that demand reliable, high-current switching. Feature: Wire size range #14-1/0 AWG. Business Impact: Flexible field wiring and easier termination reduce installation time and labor costs. Application: Panels with diverse motor and control wiring schemes benefit from broad conductor compatibility. Feature: Special features w/ window for status visibility. Business Impact: Immediate visual confirmation of switch state minimizes operator errors and improves safety. Application: Control rooms and outdoor installations where quick status checks are essential. Feature: UL Listed certification and 304 stainless steel construction. Business Impact: Regulatory compliance assurance and robust protection in harsh environments, lowering audit risk and warranty claims. Application: Industrial facilities seeking reliable compliance with safety standards and durable enclosures.
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FAQs
The DD363NWKW uses a 304 stainless steel NEMA 4X enclosure and is UL Listed, making it ideal for washdown areas, outdoor installations, and corrosive environments. It features a three-pole, four-wire configuration and a neutral-fused circuit, simplifying wiring and enhancing safety during installation and maintenance. This design minimizes corrosion-related failures and extends service life in harsh facilities.
Key ratings include 100 A continuous amperage and a voltage rating of 600 V. It supports up to 75 hp (1/3 PH @ 480/600 V) and uses Class H fuse protection. The device is designed for four-wire configurations and accepts wire sizes from #14 to 1/0 AWG, enabling flexible motor and control wiring for a wide range of applications.
Yes. The enclosure is NEMA 4X rated and constructed from 304 stainless steel, providing excellent resistance to water, dust, and corrosive agents. This makes the switch suitable for washdown zones, outdoor equipment enclosures, and environments where frequent cleaning is required without compromising safety.
The DD363NWKW is UL Listed, ensuring compliance with important safety standards for electrical protection devices. The NEMA 4X enclosure rating further supports compliance for outdoor and washdown environments by providing a weatherproof and corrosion-resistant enclosure. These certifications help streamline safety audits and procurement processes.
Its stainless steel, corrosion-resistant enclosure and static electrical protection reduce maintenance frequency and replacement costs in harsh settings. The one-year warranty (or 18 months from shipment, per Eaton policy) provides assurance against manufacturing defects, while the robust design supports long-term reliability in demanding industrial processes, ultimately lowering total cost of ownership.