Eaton DD364NDKW Fused Safety Switch - UL Listed
Part Number: DD364NDKW
Quick Summary
An Eaton double door single-throw fused safety switch safely isolates power in industrial control panels. Maintenance downtime and miswiring risk are costly, but this design reduces exposure by providing a robust, clearly defined isolation point. The unit is UL Listed and built for NEMA 12 and NEMA 3R environments, with a Class H fuse and 600 V rating to support reliable operation in demanding facilities. It supports four-wire, three-pole configurations and handles up to 200 A, delivering scalable protection for motor circuits and critical loads. With a window feature and compatible galvanized steel enclosure, it adds inspection convenience and long-term value for compliant, efficient plant operations.
Product Information
Extended Description
DD364NDKW Eaton: Eaton Double door single-throw fused safety switch, 200 A, NEMA 12/3R, 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
DD364NDKW
UPC
786679174401
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 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
Amperage Rating
200A
Fuse class provision
Class H
HP rating - max
50, 50/ 125, 150 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 12
Voltage rating
600 V
Product Category
Dust tight
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 - DD364NDKW
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 200 A amperage rating. Business impact: supports high-demand motor loads with minimal voltage drop and robust protection, reducing unplanned downtime. Application: suitable for 3P4W, 480–600 V motor circuits in manufacturing environments. Long-tail keywords: 200 A fused safety switch, industrial motor protection, 3-pole 4-wire configuration.Feature: NEMA 12/3R enclosure. Business impact: dust-tight and weather-protected housing enhances reliability in dusty or damp facilities, lowering maintenance costs. Application: control panels in harsh production areas. Long-tail keywords: NEMA 12 enclosure, dust-tight line isolation, weather-resistant switchgear.Feature: Fusible with neutral, Class H fuse. Business impact: enables safe, coordinated shutdown and selective protection for motors and feeders, reducing arc-flash exposure and nuisance blowing. Application: motor control centers and power distribution within 600 V systems. Long-tail keywords: Class H fuse, fusible switch with neutral, electrical protection.Feature: Window for status visibility. Business impact: quick visual verification minimizes service time and accelerates fault diagnosis. Application: routine PM and line isolation checks in busy plants. Long-tail keywords: safety switch with window, visible status indicator, field maintenance efficiency.Feature: Heavy-duty galvanized enclosure and UL Listed. Business impact: compliant protection that withstands industrial environments, supporting regulatory readiness and long service life. Application: industrial automation panels, conveyors, and packaging lines. Long-tail keywords: UL Listed safety switch, galvanized steel enclosure, industrial protection.
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FAQs
DD364NDKW supports 200 A loads on three-phase, four-wire circuits up to 600 V, with a three-pole arrangement and neutral fusible configuration. It fits standard control panels and power distribution enclosures that require NEMA 12 or NEMA 3R protection, enabling straightforward wiring and reliable isolation in industrial environments.
The unit is UL Listed and features a NEMA 12 enclosure suitable for dust-tight environments and a 600 V rating. It uses Class H fusing, with a 200 A amperage rating and HP ratings up to 50/125/150 for 1/3 horsepower at 480–600 V, aligning with common safety and electrical standards.
The DD364NDKW measures 49.9 inches in length, 11.62 inches in height, and 17.18 inches in width, with an overall weight of 85 pounds. The galvanized steel enclosure provides rugged protection and space for wiring and neutrals, simplifying installation and maintenance in demanding facilities.
This switch excels in line isolation for motor control centers, conveyors, packaging lines, and other high-demand loads in dusty or damp environments. The three-pole, four-wire configuration with a neutral supports safe maintenance, quick fault diagnosis via the window, and reliable protection for critical loads up to 200 A at 600 V.
Warranty follows Eaton Selling Policy 25-000: one year from the date of installation or eighteen months from shipment, whichever occurs first. Eaton provides access to specification sheets, PDFs, and technical support to assist with installation, maintenance planning, and compliance verification.