Eaton DD328NDKW Double Door Fused Safety Switch - UL Listed
Part Number: DD328NDKW
Quick Summary
Eaton double door single-throw fused safety switch protects high-current control circuits in industrial panels. When service work is needed on large equipment, limited space and hard-to-reach areas can slow maintenance and increase risk. The unit offers UL Listed certification alongside NEMA 12 and NEMA 3R enclosures, delivering dependable protection in dusty or damp environments. With a 1200A rating at 240V and a maximum 500 hp for three-phase motors, it integrates cleanly with existing motor control gear while supporting future expansions. In practice, you gain safer lockout procedures, easier wiring, and reduced downtime through a robust, neutrally fused design and clear status visibility.
Product Information
Extended Description
DD328NDKW Eaton: Eaton Double door single-throw fused safety switch, 1200 A, NEMA 12/3R, Painted galvanized steel, 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
DD328NDKW
UPC
786679184455
Product Length/Depth
27.18 in
Product Height
43.11 in
Product Width
91.02 in
Product Weight
575 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
1200A
Fuse class provision
Class L
HP rating - max
500, 500 hp (3PH @480/600 V)
Voltage rating
240V
Product Category
Dust tight
Special features
w/ window
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DD328NDKW
Two-door, heavy-duty enclosure with a viewing window improves on-site accessibility. This design minimizes door openings during fault finding or routine inspections, reducing exposure risk and speeding maintenance in busy switchgear rooms. Fusible with neutral configuration and Class L fusing provide precise overcurrent protection, helping to safeguard motors and cables while simplifying protection coordination for large drives. Three-pole, four-wire, 240V configuration delivers clean wiring and reduces misconnection risk, enabling faster installation and more reliable operation in industrial panels. The NEMA 12, NEMA 3R enclosure, painted galvanized steel construction offers durable dust and moisture resistance, extending service life in harsh plant environments and simplifying upkeep. UL Listed certification supports regulatory compliance and streamlined procurement across regulated facilities. The unit’s 500 hp (3PH @480/600 V) and 1200A ratings ensure it can handle demanding motor loads, reducing the need for mid-cycle replacements and keeping critical processes online. A window for visual status checks eliminates unnecessary openings, improving fault diagnosis and safety during maintenance.
Get a Quick Quote for a Eaton DD328NDKW
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton DD328NDKW?
Enquire Now
FAQs
Plan for the 27.18 in depth, 43.11 in height, and 91.02 in width footprint, as listed. Ensure proper mounting clearance, secure anchoring for a 575 lb unit, and unobstructed access to the two doors and window for safe operation and maintenance.
Confirm amperage rating 1200A, voltage rating 240V, three-pole configuration, four-wire grounding, and fusible with neutral. Verify Class L fuse compatibility and motor protection coordination with up to 500 hp at 480/600V to ensure reliable protection for large drives.
Yes. The combination of NEMA 12/3R enclosure, painted galvanized steel, and UL Listed certification makes it appropriate for rugged industrial applications, providing dust tight and water-resistant protection while accommodating high-current motor disconnects and neutral-fused protection.
The DD328NDKW is UL Listed and features a NEMA 12/NEMA 3R enclosure. These ratings support electrical compliance, safer operation in dust-prone or damp environments, and easier sourcing for regulated facilities that require certified disconnect solutions.
Eaton provides a one-year warranty from the date of installation or eighteen months from shipment, whichever occurs first. This coverage helps protect against manufacturing defects and supports ongoing maintenance planning for critical protection equipment.