Eaton DD363NDKW-00V3 Safety Switch - UL Listed 600V
Part Number: DD363NDKW-00V3
Quick Summary
Eaton double door fused safety switch provides rugged control isolation for industrial power circuits. In critical facilities, downtime and safety compliance gaps can cripple production and drive costs higher. UL Listed certification, along with a NEMA 12/3R enclosure and Class H fuse, supports safe, compliant operation in dusty or harsh environments. Designed for 100 A, 600 V systems with line and load indicators, this unit accelerates fault diagnosis and streamlines maintenance. With its 3-pole, 4-wire configuration and neutral fusion, it delivers reliable protection while fitting common industrial layouts, panels, and control architectures. This combination of protection, visibility, and robust construction translates into reduced downtime and improved overall equipment effectiveness (OEE).
Product Information
Extended Description
DD363NDKW-00V3 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line and load side, 100 A, NEMA 12/3R, 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
DD363NDKW-00V3
UPC
786679173909
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 12, NEMA 3R
Enclosure material
Painted galvanized 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 12
Voltage rating
600 V
Product Category
Dust tight
Special features
V indicator line and load side, 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 - DD363NDKW-00V3
Feature: Three-pole, four-wire configuration matches typical 3P4W motors and feeders. Business Impact: Simplifies wiring schemes, reduces misconnection risk, and enables fast commissioning in panel builds. Application: Suitable for 100 A circuits in motor and control panels where reliable isolation is required. Feature: Fusible with neutral using Class H fuses. Business Impact: Provides selective protection and predictable fuse operation, lowering spare parts costs and enabling fast fault isolation. Application: Industrial drives and equipment fed from 600 V systems. Feature: NEMA 12, NEMA 3R enclosure. Business Impact: Dust-tight and weather-resistant protection that minimizes ingress and maintenance cycles. Application: Manufacturing floors and outdoor or semi-exposed installations. Feature: Voltage indicator on line and load sides with window. Business Impact: Immediate visibility for safe servicing and quicker troubleshooting. Application: Daily maintenance checks and routine inspections. Feature: 600 V rating, 100 A amperage, HP ratings up to 75 hp. Business Impact: Supports standard medium-voltage industrial motor loads with reliable protection. Application: Pumping, conveyors, and packaging lines. Feature: UL Listed and rugged painted galvanized steel construction. Business Impact: Compliance assurance and long-term durability reduce total cost of ownership. Application: Harsh industrial environments requiring documented safety certification and durable enclosures.
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FAQs
When installing the DD363NDKW-00V3, ensure a suitable panel footprint for a three-pole, four-wire arrangement, with line and load wiring routed to #14-1/0 AWG conductors. Verify enclosure mounting, torque specifications for lugs, and proper neutral connection. The integrated voltage indicators aid safe commissioning, while the NEMA 12/3R enclosure protects against dust and moisture when mounted in industrial environments.
This safety switch is rated for 100 A and 600 V, with a Class H fuse for controlled protection and a neutral path. The UL Listed certification confirms compliance with recognized safety standards, and the windowed line/load indicators enable quick visual checks. The three-pole, four-wire design supports common motor starter configurations and simplifies wiring diagrams for assemblies.
Yes. The NEMA 12 enclosure offers dust-tight protection while NEMA 3R provides rain and splash resistance, suitable for plants, outdoors, or semi-exposed locations. Painted galvanized steel adds durability against corrosion. With UL Listing and robust construction, the switch maintains reliability in challenging environments, reducing maintenance frequency and untimely outages.
UL Listing demonstrates adherence to recognized electrical safety standards, easing regulatory acceptance and integration into compliant control systems. In addition, the device’s voltage rating, fuse class provision, and enclosure protection align with industry requirements for industrial control panels, helping avoid nonconformance penalties and speeding up customer approvals.
The DD363NDKW-00V3 delivers reliable protection that minimizes unplanned downtime and protects expensive motors up to 75 hp at 480–600 V. Its easy diagnostics through line/load indicators, durable enclosure, and standard wiring reduce maintenance time and spare-part costs. Over time, these factors translate into lower total cost of ownership and higher equipment uptime.