Eaton DD364NWKW-00V3 Fused Safety Switch - NEMA 4X
Part Number: DD364NWKW-00V3
Quick Summary
Eaton DD364NWKW-00V3 fused safety switch provides reliable isolation for industrial machinery in harsh environments. In demanding facilities, downtime and safety compliance can clash, making the wrong switch a costly bottleneck. The unit is UL Listed and features a NEMA 4X enclosure in 304 stainless steel, with Class H fuse provision for robust fault protection. A voltage indicator on both the line and load sides supports quick verification during maintenance, while the three-pole, four-wire design simplifies wiring and reduces misconnection risk. For engineers and maintenance teams, this combination translates to higher uptime, safer servicing windows, and a clear path to compliant electrical protection and circuit control in rugged environments.
Product Information
Extended Description
DD364NWKW-00V3 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line and load side, 200 A, NEMA 4X, Class H, Fusible with neutral, Three-pole, Four-wire, 600 V, Max Hp: 50, 50/ 125, 150 hp (1/3PH @480, 600 V), #6-300 kcmil
Product Name
Eaton double door single-throw fused safety switch
Catalog Number
DD364NWKW-00V3
UPC
786679174470
Product Length/Depth
49.9 in
Product Height
11.62 in
Product Width
17.18 in
Product Weight
85 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
Amperage Rating
200A
Fuse class provision
Class H
HP rating - max
50, 50/ 125, 150 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 4X
Voltage rating
600 V
Product Category
Watertight
Special features
V indicator line and load side, w/ window
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - DD364NWKW-00V3
Feature: 200A amperage rating and 600V maximum voltage with three-pole, four-wire configuration. This combination supports large motor loads and provides clean fault isolation across line and load circuits, reducing the need for downstream protection upgrades. In practice, engineers can deploy the DD364NWKW-00V3 in drive-fed feeders and heavy conveyors where predictable open-circuit protection is critical. Feature: Fusible with neutral and Class H fuse provision. This design enables selective coordination and safe shutdown during a fault, minimizing arc flash exposure and protecting motors, starters, and control circuits. It also simplifies compliance with safety standards by providing traceable fuse-type protection aligned to plant-wide electrical protection schemes. Feature: NEMA 4X enclosure in 304 stainless steel. The rugged enclosure withstands washdowns, moisture, and corrosive environments, reducing corrosion-related outages and maintenance costs. Its robustness makes it suitable for outdoor installations and harsh chemical settings while maintaining a clear line of sight for labeling and status indicators. Feature: Voltage indicator line and load side with window. This feature lets technicians confirm line-side and load-side voltage without opening the door, speeding start-up and troubleshooting. Paired with a compact three-pole design, it supports safer testing sequences and minimizes door openings in hazardous areas. Feature: Physical dimensions and conductor compatibility. At 49.9 inches deep, 17.18 inches wide, and 11.62 inches high, with an 85 lb weight, the unit supports #6-300 kcmil conductors and straightforward mounting in existing enclosures, reducing installation time and rework during plant upgrades.
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FAQs
Plan for a three-pole, four-wire configuration with a neutral connection, and ensure adequate space for the 49.9 in depth, 17.18 in width, and 11.62 in height enclosure. Account for the 85 lb weight during mounting, arrange line and load wiring clearly, and verify proper door clearance for service access and voltage indicator visibility.
The DD364NWKW-00V3 supports up to 200A and 600V, with a fusible with neutral configuration and Class H fuse provision. It uses a three-pole, four-wire setup and provides UL Listed protection, making it suitable for large motor loads and safe shutdown in fault conditions.
Yes. The unit features a NEMA 4X enclosure manufactured from 304 stainless steel, designed to withstand washdowns, moisture, and corrosive environments. This makes it appropriate for outdoor installations and harsh industrial settings where corrosion resistance and reliability are critical.
It includes voltage indicators on both the line and load sides with a window for quick status checks without opening the enclosure. The double-door design improves access for wiring and maintenance, while the three-pole, four-wire arrangement simplifies safe testing and reduces wiring errors during servicing.
The DD364NWKW-00V3 is UL Listed and features a NEMA 4X rated enclosure in 304 stainless steel with Class H fuse provisions. These certifications support regulatory compliance, safer maintenance workflows, and predictable performance in demanding industrial environments.