Eaton DD327NDKW-00V1 Fused Safety Switch - UL Listed
Part Number: DD327NDKW-00V1
Quick Summary
Eaton DD327NDKW-00V1 fused safety switch provides dependable electrical isolation for high-current motor control. Facilities often struggle with unsafe lockouts and downtime, which this switch helps mitigate with a line-side voltage indicator and a rugged NEMA 12/3R enclosure. UL Listed certification accompanies this design, and it is built for harsh environments with a Class L fuse and a 800 A rating. In critical power distribution applications, its robust enclosure, clear status indication, and high current capacity translate into real business value by improving safety, uptime, and compliance while supporting large motors and multi-wire configurations.
Product Information
Extended Description
DD327NDKW-00V1 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line side, 800 A, NEMA 12/3R, Class L, Fusible with neutral, Three-pole, Four-wire, 240 V, Max Hp: 500, 500 hp (3PH @480/600 V), (4)#1/0-(4)750 kcmil
Product Name
Eaton double door single-throw fused safety switch
Catalog Number
DD327NDKW-00V1
UPC
786679173749
Product Length/Depth
86.73 in
Product Height
22.16 in
Product Width
26.57 in
Product Weight
300 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 w/ Line Side Voltage Indicator
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
800A
Fuse class provision
Class L
HP rating - max
500, 500 hp (3PH @480/600 V)
Voltage rating
240V
Product Category
Dust tight
Special features
V indicator line 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 - DD327NDKW-00V1
Feature: 800 A amperage rating and heavy-duty construction enable uninterrupted isolation of high-current circuits, with a maximum of 500 hp for 3-phase motors at 480/600 V. Business Impact: Supports large motor loads with reliable isolation, reducing fuse failures and unplanned outages. Application: Main motor feeders and switchgear in manufacturing lines. Feature: Fusible with neutral provides proper overcurrent protection and a secure neutral path, enhancing protection for 4-wire 3-phase systems. Business Impact: Improves fault clearing and system safety, lowering repair costs and downtime. Application: Power distribution panels and large drive systems. Feature: Line-side voltage indicator with window allows quick, visual verification during maintenance and installation. Business Impact: Minimizes mis-wiring risks and speeds commissioning. Application: Field service and panel assembly. Feature: NEMA 12, NEMA 3R enclosure in painted galvanized steel offers dust-tight indoor protection and weather resistance for outdoor or harsh environments. Business Impact: Extended service life with lower maintenance and fewer weather-related faults. Application: Factory floors, outdoor equipment pads, and wash-down areas. Feature: Three-pole, four-wire configuration supports standard 480/600 V delta/wye systems with neutrals. Business Impact: Simplifies wiring schemes and compatibility with existing plant infrastructures. Application: Large industrial installations and power distribution networks. Feature: Line isolation switch with 86.73 in length, 26.57 in width, 22.16 in height and 300 lb weight provides clear footprint planning. Business Impact: Facilitates exact space allocation and robust mounting in control rooms and equipment rooms. Application: New builds and retrofits where enclosure fit is critical. Feature: UL Listed certification and a one-year warranty (or 18 months from shipment) provide regulatory assurance and post-sale support. Business Impact: Reduces risk for compliance audits and vendor support concerns, improving total cost of ownership. Application: Any installation requiring formal safety certification and dependable service terms.
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FAQs
Install the DD327NDKW-00V1 as a three-pole, four-wire device with neutral in a suitable space that accommodates its 86.73 in length, 26.57 in width, and 22.16 in height. Ensure proper mounting hardware and ventilation, verify line-side voltage indicators during setup, and size conductors to handle 800 A with the (4) wires ranging from #1/0 to 750 kcmil per the datasheet. The enclosure should be placed in a dust-tight or weather-resistant location consistent with NEMA 12/3R ratings.
The switch is rated for 800 A with a 500 hp maximum on three-phase systems at 480/600 V, and it uses a fusible with neutral configuration. This combination provides robust overcurrent protection while allowing large motor and drive applications to isolate safely. The 3-pole, 4-wire design plus line-side voltage indicator facilitates safe operation and quick servicing in high-load environments.
Yes. The DD327NDKW-00V1 features a NEMA 12, NEMA 3R enclosure in painted galvanized steel, delivering dust-tight performance and weather resistance suitable for indoor and certain outdoor installations when properly mounted. This makes it appropriate for factory floors, outdoor equipment pads, and other challenging environments while maintaining safety and reliability.
It includes line-side voltage indication with a window for quick status checks, a fusible with neutral configuration for proper protection of four-wire systems, and a three-pole design suitable for 240 V systems. The device is UL Listed, reinforcing compliance and safety, with a sturdy NEMA 12/3R enclosure for durable operation in demanding settings.
The DD327NDKW-00V1 comes with Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This provides a defined post-sale window for parts and service, supporting maintenance planning and helping protect total cost of ownership in industrial installations.