Eaton DD324NDKW Double Door Safety Switch - UL Listed
Part Number: DD324NDKW
Quick Summary
The Eaton DD324NDKW fused safety switch provides reliable line isolation for industrial control panels. This design addresses downtime and maintenance headaches by offering a rugged, easy-to-service solution with a window for quick fuse status checks. With UL Listed certification and sturdy NEMA 12/3R enclosure protection, this unit is built to withstand challenging plant environments. The combination of a 200 A rating, three-pole configuration, and 240 V operation supports a wide range of motor-driven applications, delivering safety plus efficiency while aligning with project-specific wiring and compliance requirements.
Product Information
Extended Description
DD324NDKW Eaton: Eaton Double door single-throw fused safety switch, 200 A, NEMA 12/3R, Fusible with neutral, Three-pole, Four-wire, 240 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
DD324NDKW
UPC
786679173510
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
Catalog Notes
Double Door Isolation Switch
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
#6 AWG-300 kcmil
Amperage Rating
200A
Fuse class provision
Class H
HP rating - max
50, 50/ 125, 150 hp (1/3PH @480, 600 V)
Voltage rating
240V
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 - DD324NDKW
Feature → Business Impact → Application: The DD324NDKW delivers a 200A amperage rating in a three-pole, four-wire configuration with fusible protection and neutral, enabling safe isolation for high-demand motors and feeders while minimizing arc flash exposure in control panels. This translates to reduced downtime and safer maintenance workflows in manufacturing lines and process cells, where precise motor control and reliable shutdowns are critical. Feature → Business Impact → Application: NEMA 12, NEMA 3R enclosure protection and painted galvanized steel construction provide dust-tight durability and weather resistance, extending service life in exposed or workshop environments and lowering replacement costs. Feature → Business Impact → Application: The unit accommodates #6 AWG to 300 kcmil wiring and supports up to 50/125/150 hp at 480/600 V, giving engineers flexibility to upgrade drives or reconfigure panels without changing switchgear, streamlining project timelines. Feature → Business Impact → Application: Window-equipped design enables quick visual fuse checks, reducing troubleshoot times during routine inspections and outages, which improves overall plant reliability. Feature → Business Impact → Application: UL Listed certification, Class H fuse provision, and compatibility with standard Eaton fuses simplify procurement, warranty coverage, and service planning, helping OEMs and end-users achieve faster compliance and lower lifecycle costs.
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FAQs
DD324NDKW supports a three-pole, four-wire arrangement with 200 A rating and #6 AWG-300 kcmil wiring, making it compatible with common 240 V three-phase distribution panels. Its fusible with neutral configuration and NEMA 12/3R enclosure align with standard panel layouts, helping to minimize rework and shortening installation time while maintaining compliance with typical electrical codes.
This switch offers 200 A Amperage, 240 V voltage, and up to 50/125/150 hp ratings (1/3 PH at 480/600 V), with Class H fuses for reliable protection. UL Listed certification confirms compliance across regions, and the NEMA 12/3R enclosure provides dust-tight and rain-protective performance, ensuring dependable operation in demanding plants and machine rooms.
Ideal for machine control panels, line isolation points, and motor feeders in manufacturing, packaging, and processing environments. The heavy-duty double-door design, window status view, and 200 A capacity support medium to large drive systems, while the 240 V rating accommodates common industrial power standards without requiring extensive redesigns.
UL Listed certification confirms electrical safety compliance, while the NEMA 12/3R enclosure ratings provide dust-tight and weather-resistant protection. The unit is designed for fusible with neutral configurations and supports Class H fuses, aligning with typical industrial safety and protection standards.
The fuse window allows quick visual inspection, reducing diagnostic downtime during outages. Its robust enclosure and standardized wiring compatibility lower replacement and maintenance costs, while UL listing and warranty terms support long-term reliability and predictable total cost of ownership for plant operators.